CA2278919C - Improvements to skylights to accommodate on site adjustments for variations in installations - Google Patents

Abstract

A skylight for installation in an opening disposed in the top of an enclosure comprising framing sections adapted for installation adjacent the opening, said sections providing for variation in installations and accommodating on site adjustments when fastening and fitting the skylight within the opening of the enclosure, said framing sections being adapted to receive supplementary moldings adapted to friction fit with the framing section such as a quick connect which provide for variation in installation tolerances and cover any undesirably exposed portions of the enclosure, resulting from installation of said skylight, accommodating on site adjustments.

Description

TITLE OF INVENTION
IMPROVEMENTS TO ~KYL~IG.HTS 'T'C) ACCC7MMOL7AT'E ON SITE
ADJUSTMENTS FOR VARIArI"IONS 11'~~ LNS°fA~.I_,Ahl~)IVfS
FIELD OF INVENTION
This invention relates to skylights and finds pawticular application to skylights installed on the top of enclosures such as a roc.,t ch a house c>r alternatively on the top TO of a solarium car the like.
BACKGROUND OF THE INVENTION
Skylights have becomE~ more and rnc~re p~9pu(a~ with new homes or when renovating an older home. Skylights may lae installed in ~-t-u~ ;~o~-Af i~f a luome or in a solarium, c>r a sunroom enc.l~»uxe. When lr~ar~ufas~turil~g sk~-liglrts it is typical that they are made to fit a particular standard sized c~pt~.~ru~2g. 'hhe installer, (typically the roofer) for a replacement skylight, must thc~refc~re carefully measure thc~
opening in which the skylight will be installed and prcveide the manufacturer with these dimensions. When creating the opening in a r~oc~f, it will be necessary to extend the opening down through an attic and ultimately into the room into which the light is desired. A tunnel therefore, must be formed between i:he ~°oom through the attic and adjacent to the opening in the roof. This tunnel is lirved with drywall, or wooden boards, or the like. These boards or drywall extenc,l u1 to tear the roof line and must be accommodated with any skylight installation. 1n some instances, for example with a curb mount unit, unsightly pockets co* steps are created which attract dust and 1'4~g~' 2 insects. It would be advantageous to be able to make adjustments for manufacturing tolerances at the site, resulting in a better fit and fit~ishn c>t the installation. Heretofore a skylight assembly accommcrdatir~g installatican variations is unknovvn.
In order to install knc7wn skylight assemhlies, the installer wi~~ll insert the skylight into the opening and will be required to enti~r the home and climb a ladder to access the underside c>f the Skylight to fasten it properly, for example a curb, to adjacent the tunnel area. Most installers are roofers, as ve,rindow installers norrr~ally will not climb onto a roof.
It would be advantageous to provide a skyliglut assembly which may be installed from the roof only- or from tl~E~ tunnel a.rc~a o~~l~~. This will result in a significant amount of labour savings in retrofit installaticans or maintenance. It would also be advantageous to provide a standarcLized skylight assembly for retrofit installations which includes a predetermined latitude for adjustment by the installer.
It is therefore a primary object of the inventic>n tca prclvide a skylight assembly which will accommodate variations from installati~o~ tc> installation.
It is a further object of thc> invention to provide a skylight assembly which may be utilized for installatic>n in a roof of a dweiliz~f;; car the same assembly may be utilized for installation in a solarium.

hags' ;~r It is yet a further object <>f the invention to p~~«vide standardized cross sections for skylight assemblies foe v rious xnstallatio ~s with a curb mount system, a curbless mounting system, and sur~rooin or sc_~lariurra installatican.
It is yet a further object of the invention tcy provride a standardized framing section for a skylight assembly which may be used with a ~~urb installation, without a curb installation, and within the solarium by prc>vicling removable portions formed with the framing section.
~0 1t is yet a further object of the' invcannon to l7rc>vicie a section which mar be utilized to interconnect adjacent skylights ami pr~~~-ide vV~ater sheddinf;
capabilities therefore.
Further and other objects c>f the invention will hecome apparent to those skilled in the art when ecmsi~:lerin;g the fc.~llcdwing sunlma~°y c>f the invention and. the more detailed description of the preferred embodiments illustrated herein.
SUMMARY OF THE INVENTION
According to a primary aspect of the invention there is provided a skylight far installation in an opening disposed in thE= tcy-a c~f a~~ enc~ld:osure (sucl-~
as a roof for a I'r~gE'. 4 building, i.e. a dwelling, a solarium car the Likej, ct:omprising framing sections adapted fox installation adjacent the openin f;, said sectii~r~s providing for variation in installations and accommodating on site adjustments when fastening and fittin;~ the skylight within the opening of the enclosure, s~~id fxarning sections bein;~;
adapted to receive supplementary molc~ling~, adapted to friction fit ~~ith the frarrving section such as a quick connect and preferably snap on or :.lip orr moldings ~~hrich provide for variation in installation tolerances and cover any undesirably exposed portions of the enclosure, resulting from installation o:f said skylight, accornrr~odaating on site adjustments.
In one embodiment the moldings are ,gener~~lly '''I'" shaped in cross section preferably with one leg being trimmable at sevc=ral positions along; the leer to accommodate various thicknesses of drywall, u'~oocl or the like forming the tunnel within the enclosure adjacent said opening. In another embodiment the moldings are generally "L" shaped in cross section for abtatting the alumimam sheeting proximate the bottom of a solarium ceiling, and at tlae same time covering any exposed rough edges of metal, foam, e.>r insulation. In another e~mb~odiment the molding is generally "J" shaped in. cr«ss section and preferably includes a trimmable flange to allow for variation in thickness of ~.irvwall, wood or the like forming the tunnel within the enclosure adjacent said opening. 'l"he trirnrnable t~langes for both the ''F" and "J" shaped cross sectional moldings provide for adjustment to accommodate side to side and end. to end v~ariatians from installation to installation.

I'agce 5 By providing with the "~" shaped molding a 1/8 inch adjustment, a total 1/4 inch accommodation in side to side arid tmd to e:ric.-1 v~az-iatian~; is available.
Further the "F" shaped molding, can be trimmed to acs c~rnzn«cla t~ 1 / 2 inch drywall or up to 1 and 1/4 inch planks loco ed in the tunnel. ''his prcovicles for side to side and ez~.d to end variations of 1 and 1/2 inches prc:wiciizy; tl:ze installer with a lot of latitude.
According to another aspect of the invenloon there is provided a skylight assembly comprising a main frame for surrounding an opening in a top of an enclosure, such as a "roof" of a dwelling or salariuy, said enclosure sc°parating an interior space and an exterior, and haviiZg a tap, said col~ening extending from the exterior into the interior space of the enclosure, said main frame including at least one main frame section having a tope a L~attcn~n, a first ~.~xteriar siLle and a second interior side and two ends, said top of said secticm for receiving and securing a glass light in cooperation with a separate cap section preferal:~ly made of aluminum (in one embodiment said cap being general "F1" shaped to avoid excessive loading on the glass while loading adjacent a seal), said bottazn of said section for securing to adjacent the tap of the enclosure adjacent the ape~ni.ng and in one embodiment to a curb formed adjacent the opening, preferably said tap of said section including; a screw port for receiving a fastener, a glass receiving channel, an exterior condensate receiving channel located praxim.ate the first exterior side, an interior condensate receiving channel located praxim~ate the second interior sidle; preferably said main frame section having a flashing anchoriz-zl.; znemL~er disposed proximate the top ~~tgE' f w thereof proximate the first exterior side and 1>referabl.y a removable flashing portion disposed proximate the bottom of the first extericar sidc:~, said removable flashing portion being removed when the skylight is izzstall~~:ik withcmt a curb i.rz a solarium, sundeck or the like (thus providing an aesthetically more pleasing installation), preferably the bottom of said frame secticnn havizng a removable lc:g prozlided therewith extending downwarckly away frcarn said frame section for abutting one side of the drywall, wooden slats or the like within tile txxnnel forming the opening when the skylight is installed on a roof or the like, said leg being remc>vable when the skylight is installed in for example a scalariuzrz, thc: main frame section also having a supplementary molding engaging pi~rticur ~lispcasc:d proximate: the second interior side of the main frame sectic>n, and iz-z one embodiment the supplementary molding engaging portion is disposed prioximate thc: top thereof preferably wham thc~
frame section has a low profile and incluc~ies at least two and preferably three interconnected horizontally disposed subsections (in one embodiment a central subsection is drained tc> the adjacent subsection to the° first exterior side of the section), and in another embodiment proximate the bottom thereof preferably when the frame section has a high profile c>f a lk~~a;~t twcx and preferably three interconnected vertically disposed subsections, said supplementary molding engaging portion for receiving a supplementary molcking adapted to friction fit with the supplementary molding engaging pcartion of tkxe framing section such as a duick connect and preferably snap crn or clip oza and fcror engaging and abutting;
an opposite interior surface of the drywall, wc:xoden slats c>r the like engaged by said removable P~~g~.~ J
leg, preferably said supplementary ~nolcling having a trimmable flange to accommodate variations in dimE~nsions of cfry wall, vvc~oden slats or the like providing for on site adjustment to variations izv wall thickness, v~rherein said skylight assembly may be used to acco mmodate for° variations from oncv~ installation to anather, whether the skylight is izistallec( c>n a rocof c>f a house, enclosure, or the like or alternatively installed in a solarium..
The sections may be made from any suitable ~xratk>rial that can he formed to provide the friction fit, qvzick nonnect and preferred snap cm feature oh the supplementary moldings, such as plastics, 1'~IC:, fibt.>rglass, aluminum,, or the like.
This quick connect and preferred snap ~~n feature provides a great deal of labour savings from prior structures requiring c:~.atting, fastenizlg, and fi.ttinf;.
With the present invention allowances for adjustments may be made <it the installation obviating the need to carry excessive inventory of tri:rtl portions such as "U" or "C"
shaped channels and the cutting thereof. With th~~ p:rc~sent assembly a properly finished installation results. 'The supplementary moldinf;s are utilized to cover up rough cutouts exposing for example rougl-a edges of she et metal (altzrninum) and foam exposed when creating the opening in a solarium,. and in another example to cover up exposed drywall or the like used to crew a the tunnel opening in a roof skylight installation. The installations are self flashing and provide an excellent seal.

Pagc' ~3 In one embodiment thc~ supplementary moldings are generally "F", "L" or "J"
shaped and may also include a trimmable appendal;~~ extending therefrom to allow for variations from one installation to another.
In another embodiment the supplementary moldings are marnafactured to flex, from an angle of slightly less thin substantially ninety degrees, to~ an angle of about ninety degrees to aid in the moldings securing and sealing functions.
The skylight assemblies emboclvir7g tl~c~ ir~ventiorr are preferably manufactured with 16 or 24 inch centers tca fit in l~et~h~een structural rc>of members or alternatively 24 or 36 inch centers for solariums. lr~ son ~e ca.ses the installation may be installed by either the roofer from then top or 1~~~ a ~~wir~clow installer from the bottom providing the builder or contractor with mcara flexibility in scheduling.
In another embodiment the skylight nor skylight assembly may be installed in multiples of at least two skylights or skylight assemblies such as a first and second skylight assembly for preferably cover and under installatic>ns. :ln order to accommodate such an installation, a separate generally " l.'" shaped interconnecting member is provided having a vertical anal a horiz~arrtal .leg and having a smaller leg extending substantially parallel and adjacent to tlm~ horizontal leg, said member abutting the exterior of a first skylight assembly p~°c~xirnate the trimrnable flange adjacent the bottom of the exterior side, anti the second skylight assembly Page ~~
interlocking with the first assembly when the tramm4:~ble flange adjaceret the bottom of the exterior side of the second skylight assembly is captured between the smaller leg and the horizontal leg of the interconnectin g member. I'reterably said interconnecting member having grocwes and channE~ls t~, interconnect and capture the trimmable flange. The two assemblies as interconnected provide with the member a "U" shaped channel to allow Eor drainage, C:)f course the two assemblies and member are properly flashed and sealed as r~.duire~i. The skylight asse:rnbly permits metal flashing to be installed proximate the exterior and being retained by the flashing anchoring member by inserting a flexible retainer between the flashing 1U anchoring member and the flashing.
In another embodiment there is prov°ided air interconnecting member for interconnecting skylights installed in multiples of at least two skylights such as a first and second skylight for over and under installations comprising a generally "L"
shaped interconnecting member having a vertical acrd a horizontal leg and having a smaller leg extending substantially parallel and adja~:~~nt to the horizontal leg, said member abutting the exterior of a first skylight proximate a trimmable flange adjacent the bottom of an exterior side, and a second skylight assembly interlocking with the first assembly when a trimmable flange adjacent the bottom of the exterior side of the second skylight assembly is captured between the smaller leg and the horizontal leg of the interconnecting member.

Page 'l () BRIEF DESCRIPTION OF THE DRAWINGS
The following figures illust~.,atEa preferred and altE~rrva ive ernllod.iments of the invention, wherein:
Figures 1A through 1E illustrate iai perspectivc> a low profile framing seedon for a skylight assembly and the step by step installation thereof on a preformed curb surrounding the opening in. the top of an arrclc>surr~ and illustrated in a preferred embodiment of the invention.
Figures 2A through 2D illustrate a high profile standardized framing section and the step by step installation khE~.rec>~~ as a sk~yel~ght assembly on tl-ie top of an enclosure without a prefonned curb and illustrated in a preferred embodiment of the invention.
Figures 3A through ~D illustrate a modified high profile section for a skylight assembly shown being installed as a curbless installation in a sunroof, solarium or the like and illustrated in the preferred emboc.~iiment of the invention.
Figure 4 represents prior art tc~ the presea~t invention. Further ir1 relation to Figure 4 by providing such a poor quality finish heat losses around the skylight will result.

Figures 5A and 5B il.lvstra.tc~ a sectional enci view of the inst:allati<~n of Figures 2A through 2D.
Figure H is a perspective vi~~w~ of the low profile section of Figure<.~ '1A
through 1E illustrated in the preferred embodime~ot c~f the iraventao:r~.
Figure 7 is a perspective view of the high profile section of Figures 2A
through 2D illustrated in a preferred embodiment of the invention.
1.0 Figures 8A and 8B are secti<mal end views of the profile of Figure 7 utilized in over and under installations illustrated in preferrec: embodiments of the invention.
Figures 9A and 9B illustrate the interconnecting of the low profile sections of Figure 1A through 1E illustrating the snap-c>n molding portion 20 and the manner in which the adjacent members 2U are intercom~ected and interfit.
Figures 10A and 10B illustrate the interconnecting c~f the high prc>file sections of Figures 2A through 2D illustrating tht~ snap-on tx olding portion and the ma:~ner in which adjacent members are interconnected and interf:it.

Page 'a 2 DETAILED DESCRIPTION OF THE PREFE:C~RED EMI3(JDIMENTS
Referring now to Figure 4 there is illustratt~i[ a prior art installation for a skylight sub-assembly inc°ludi.ng an extrusion "E" it-~stalled on a woof or cm a typical curb assembly "C" having a member "L.1" extending perpendicularly from the top of the extrusion "E" and a ledged por~ticaz~ "l ," attempting; to cover up the drywall "W"
Unfortunately with such an installation, a pcxkE~t ~~r step " A" is created where debris, dust and insects "B" accumulates. Edges of the capped drywall "W'" are observable by the owner of th.u skylight iaastallation. It is undesirable to create such a rough finish for an installation and to create such unsanitary conditions. No accommodation is made whatsoever for variations irt the drywall thickness. The step at "A" with increased thi~kne~ss beccunes coven cnc>re prominent. It is therefore an object of the invention to eliminate the debris "0" from accumulating, since the occupant cannot clean this area without a great deal of difficulty. Further the risk of mold accumulating is evident.
Referring now to Figures 1A through 1E there is illustrated a low profile section 10 for a skylight assembly. Figure ~A illustrates lzow these sections would interfit. The section 10 therefore includes as best seen in relation to Figure 6, three horizontally disposed spaces 10A, 1l)8 and 104 interconmxcted by web portions and 10Y. The section 10 has disposecj proximate the tc~p thereof an interior side 15, and an exterior side 19. The exterior side of the suction 10 includes a generally inverted "J" shaped member 12 inc:ludin,g a pocket 12A having a downwardly extending leg 12B having ribs disp~asE~d thereon for anchoring a flashing portion., (not illustrated), including a flexible seal to a:nchc~r so icy flashing. The top of the section 10 includes a screw port 11 separated b~= throe wpbs l 1. A, 11 B and 11 C for receiving an anchoring screw 7 therethrough to anchor the bottom 13 including rib portions with the curb 5 having a top and having a silicone like sealant b placed thereon. The portion 13A including the ribs and channels therefore will compress on the silicone 6 and aid to the adherence thereof c~n top c>f the curly 5. The top of the section 10 also includes an exterior drainage channcel 1~a and intcyric:yr drainage channel 15E and a seal receiving channel 17. T'he surface 'IS is for b°ereiv.inl; the glass portion,, not shown, (for compressing against the seal within seal receiving channel 17, the seal also not being shown). The glass is anchored with a separate generally "F"
shaped aluminum cap which is generally "F"" shaped in ardor to put any loading forces on this seal instead of the edge of the glass. Tl~o channel 15E represents an interior condensate channel for draining any interior candt~rwatic>:n. 'I~ho leg portion 15 includes a notch 15A and an. edge 15H. 'I':ho bottc:ynr c~f the leg 15 also.>
includes a anchoring recess 15B separated by :incfinf?d ramp pardons 15C and 15D. The combination of the edge 1.5H and the recess 1.5A and bottom recess 15B i.s for receipt of the snap-on or clip-on molding 20, as bolt seen in Figure 1C and. 1D and Figure 9B. The molding 20 eliminates the debris area illustrated in Figure 4 and labeled therein as "B". No such debris area may accumulate on edge 4 of the drywall 3 as a result. Heat losses are reduced as wall. Uispc>sed also proximate the bottom of the low profile 10 is a removable flange portion 1~ which butts against surface 5A
of the I'ac;E° 14 curb 5, if present, to assist in positioning tl~e sectic>n and skylight assembly by the installer. The snap-an molding 20 thereforc> snaps in position as best seen in Figure 1D wherein the intermediate leg '?:2 via the finger '?'?~'~ engages the recess 15B while the arrn 21 and the foot 21A engal;e the rk:cess 15A proximate the top or the section.
The horizontally disposed leg 23 includes the pluralityf of trixnmable sections 2~A to accommodate various thickness '1'1 of the clrvwall 3. In Figure 1D the drrywall has a thickness of T1 and therefore there is rxo trimming z~eqzxired for the :klanges 2 3A.
However, in Figure 1E the drywall or wc~oc~en slat has ~~ thickness T2: and such a thickness T2 may be accommodated by the molding 2f) by trimrnin~the excess portions 23A away leaving a smaller portion 2;~ to 5utt up against the face 3 of the drywall. As a result, the lc»n~ profile secticon is anchcared in position by the screw 7 anal the silicon 6 disposed on the ~;urb 5 az~~cl being pc:~sitic~ned by the flaange 19. with respect to the curb to allow an Eeasy fit for tlZe installer without the necessity of anchoring the flange portion 14 unto the curb 5 by the roofer having to descend from the roof, enter the dwelling and place a ladder into the tunnel wherein the skylight will be anchored into the curb from below as is the case with the prior art installation of Figure 4.
Referring to Figures ~A and 9B the ;supplementary molding portion 20 is anchored in position with the Figures being illustrated in perspective when viewing from the bottom of the tunnel. The sections 1C1 are therefore interconnected at 10X at a mitered joint which is ultrasonically or fusion welded as is known in the art. The ribbed portion shown on the bottom of the sE'Ctzoz~ :((7 as 13 show the amount of ribbing which will engage the silicon 6 disposed ozn the curb. The curb 5 is not shown for simplicity sake. 'T'he supplementary- mc:~lding 20 is notched at the butt joint 23C to allow for the lack of any interconnection, other than a silicon bead being required along the seams at ''>3C. No silicone is necessary for seam 23B, but it may be used regardless. rI'he leg portions 23 are therefore fcarmed at an angle theta of slightly less than substantially 90 deg.rer~s izz cardE%r for a tezision fit to be provided when the adjacent supplementary members 20 az°e iz~terconr~ecteci and interfit with the assembly. When interfit the angles will :revert tca substantially 90 degrees and assist with the quality of the interfit of the members 20. .As a result the skylight assembly manufactured from the low profile members 1() provides for a clean and an aesthetically pleasing sanitary installation, unlike that installation of the prior art of Figure 4. Further, by providing a multiplicity of adjustment trimming portions 23A, the installer has the ability tc~ accomr~7c.>cia a 1 and y~"2 inches of latitude in the installation should there be a variances in any measurements taken. T'he installer therefore does not have to be as precise with pre-installation measurements.
In the prior art case when replacing a previous installation, the measurements must be fairly precise or the installer runs the risk of having to re-manufacture the skylight, in that it may not fit the opening. In this situation, the installer may have standard size units which may accozzunodate variations from installation to installation.
Further alternative lengths of supplementary mc~ldi~~gs may be providwci at 3 inch increments as desired.

Should the installer wish to provide an ecc>nort~ical curbless installation for a sundeck, solarium or the like 11e rr~ay ren~c:ave the flange or let 1~ at 14A, utilizing the identical section. 'The supplementary= molcliang would then be provided in various lengths to extend below the ceiling of a solarium, similar with regard to the installation of Figure 3D utilizing; the high prc7file s~~.}ctiotz which will tie described hereinafter. T'he generally "L" shaped molding would therefore include the leg portion for extending adjacent the ceiling covering ur~y °ough openinf;s and metal edges, as well as exposed insulation.
Referring now to Figures 2A thrc~uglz 2>:, ~arr~:i Figures 5A'. 5B, i', SA and SB
there is illustrated a standardized lliglx profile scrctic>n including three vertically spaced sections 30A, 30B, 30(:.' separated by w~.~b pc~rtiorts as shown in lFaigure i and marked as 30X. The section 30 therefore includes a top, bottom, two sides and two ends. The ends are mitered together in a manner similar to that illustrated in relation to Figures 10A and 1f)8. 'The top c:~t the section '3() includes a screw port 31, a glass receiving channel 35, a exterior corldensate eh°ainage channel 36~, an interior drainage channel 37a, and a flashing anchoring member 32. "The high profile section 30 includes proximate the bottom caf the side 3i, ~t triJnmable flange portion including a multiplicity of trim~nirrg sections 33 H which may be trimmed, for example in relation to the illustrations of Figures 8A and ~B. The trirrunable flange 33 includes ports or openings 33?C for receiving fasteners 8 for anchoring the high huge 17 profile section 3U proximate the roof "R". This inst~al.latic~n is without ~~
curb so the sealant 6 is placed adjacent the opening, adjacent fr~amin~; members R1 wherein the bottom 33A of the trimmable flange 33 irzclu~des a multiplicity of ribs to accept the silicone when the downwardly exaending appelulal:;e ~:~E~ butts the drywall exterior surface as seen in Figure 213. 'The c-lrywall 4' tluerefore having a thickness 'T3 is therefore covered proxirnate~ the top thereof to l~r~wrent the accumulation of the debris, unlike that as shown in Figure 4, E;~~~ a supple znor~tary molding 40 shown in Figure 2C including a screw pcsrt 42 shcvald it ko~ reci,uired (although it is not normally required), and a pocket =~1 for engaging the ciochrnwardly extending thumb portion 33E disposed proximate the bottcun of the extrusicm 30 proximai:e the side 38 thereof. The pocket 41 therefore is fear rE}ceipt of thc.~ t:hun~b portion 33F; which snap fits into the pocket 41 of t ve supplemez~tauy tn~~lding 4(). 'hhe su_~>plernentary molding includes a bottom portion 43 it~c(uding a removable tab 43A to accommodate variations in the thickness c7f the clrywal:l c>r tunnel lining material such as wooden slats, the thickness being in Eiigurc~ 2C' having a thickness of T3 in Figure 2D and 5A having a thickness of T1~) and in F~'igrrre 5B having a thickness of T11 wherein the trimming appendage 43A is rerncwed to thereby accorramodate this variance. 1/8 inch adjustment therefore is available tea thc> installer providing a total of 1/4 inch from side to side and end tc> c:~ncf for the installers convenience. The molding 40 could equally be replaced by anv gnolding butting up against the drywall 4' in an accommodating manner 1:o l7rovide for this, wauiation. No :limitations as to the geometry of the supplementary member is implied, only that it clips or snaps Page ..1 into position or is fastened in like manner accomplishing the same objectives.
The high profile section therefore provides a vex°~~~ clean, well sealed installation without the need for the installer to enter the clw~~~llin~ tc~ complete the installation. The entire installation may be completec~l from al.~ove. With the examples of Figures 1A
through 1E the installation on the curb mar be install~c~ by a window installer from below utilizing the tab 14 to anchor t~:~ the curia 5, although it is preferred to install it from above.
Referring now to Figures 3A, 3B, 3C: arid 3T) there is illustrated the use of the standard profile sections previously des~.rihE>c:l with khe krimmable flange 33 being entirely removed allowing for the same section 3() to be utilized for a solarium having a roof "R2" and a under ceiling '"C~'.''" with e:~pc~std insulation "1"
resulting from the rough cutting of an opening th~~r~th:rough. '1'ho profile 30 therefore which is identical to the profile previously described, is tl~er~~fc~rf~ fastened to the top of the solarium, sun deck or the like via screws 9 through screw ports 31. The removable appendage 33b has also been trimmed in orde.~r to prc:wide a flush mounting for the member 30 on khe sealant "b" with the alternating grooves and ridges biking into the silicone 6. When therefore positioned as shown in Figure 3B the dowmwardly extending thumb portion 33E extends on the side 313 of the section 30, clearing the insulation "1". Supplementary malding portion therefc're labeled 50 as seen in Figure 3C includes a pocket 53C adjacent to °~pwardiv extending forked members creating the generally "U" shaped pocket 53C .for receiving the thumb 33E as a snap 1'agk~ ..1~) in fitting. The installer merely has to tap the supplementary member 50 proximate the bottom thereof at flange 52 tca thereby sxo.ap fi into l~ositicm and eiiminate the necessity of installing separate "C" or "LJ" shaped channels to cover over any exposed rough metal edges and insulation. As described in relation to Figure and 10B with regard to the high profile extrusicm, tht~ part~on 50 n ay be formed with the leg 52 being slightly less than substantiall~r 90 degrees when formed to provide a tension fit of like members when the Full skylight assembly is installed using only silicone to interfit the adjacent members 5(1. I"he horizontal leg 52 may be trimmable if necessary. The resulting installation results i:n clean linE=s as well as an asthetically pleasing and sanitary result. When a home c~u~n~~r lc>ciks dawn on fhe installation, the trimmable flange would not be observable since it was removed, unlike that of a roof system wherein the shingles are intert~,~~c~~~er~ with the tlashmg in accommodating the flangE-~.
Referring now to Figures 7, 8A and 8B there is illustrated the standard high profile section as previously described with all of tl~c~ components therefor including rib portions 33H and trimmable portions 33F proxirr~.aae the trimmable flange 33. 1n Figures 8A and 8B there is illustrated two over and under installations illustrated in section schematically. Two skylights are therefore installed one above the other including the high profile section as shown with the flanges 33 extending towards one another. The supplementary interconnection po.rtic>rr HO is therefore provided having a vertical leg 65 and a horizontal leg 63 and a smaller leg 61 including a 1'~~gE' 2() pocket 62 for receiving the trimmable flange portion 33A of the section 30.
The two skylight assemblies are therefore installed with the interconnection member being retained within the flashing anchoring portion 32 via a resilient seal (not shown) into the pocket 32A wherein the legs fi3 and fit capture there between within the pocket 52, the leg 33 of the member 30 shown to the left of the Figure SA. Trimming portions are provided at 64 which allow f=or tl~e variation in the distance in which the skylight assemblies are separated, as shown in Figure t3A and 8B. The trimmable flange 33 is also trimmed at trimming locations 33F to accr.~mmodate the variations in dimensions. Otherwise the installaticans are as described previously. Of course, it is popular to have a multiplicity of skylights in various rows and columns being installed in sunrooms and roofing systems. For simplicity sake only two have been illustrated. The exact same interconnecting member is utilised in all ~:ases thereby providing a generally "U" shaped drainage channel provided by side portions 39 interconnecting member vertical leg 65 and bottom portion 33 and 61.
Referring now to Figures 10A and I.OB, there is illustrated the extrusion of profile of Figures 3B through to Figures 3U assembled in the manner illustrated in those Figures, illustrating the manner W which the supplementary molding 50, is snapped into position on the thumb 33E of the extrusion 30 as previously described.
The mating extrusions jointed at the mitered joint 39A which may be joined by conventional methods including silicone and ultrasonically or fusion welding.
The supplementary members 50 are not welded together. T'hev are mitered at the union 59 and 59A with a bead of silicone being placed at joint 59 and as desired by the installer at 59A. It is not absolutely necessary at 59A, but of course it will improve the quality of the installation. A flange 52, as previously described, extends at slightly less than substantially 90 degrees at an angle beta from the vertical wall 51 of the molding 50. When the moldings are brought together at the rnitexed joints and 59A, the angle beta which is slightly less than 90 degrees becomes substantially 90 degrees providing far a tension fit of the flanges making up the supplementary moldings 50 where they join. In this manner the interfit is substantially improved.
Drainage is accommodated via drainage ports D1, D2: and D;~ as is well known.
It is not intended that the above descriptions in any may limit the manner in which the supplementary moldings ma~,~ be utilized ar the manner in which they snap on or are alternatively fastened. It is only necessary that the low and high profile sections include within their geometry a appendage such as interlocking, anchoring portions 15B anc.-i 15A for the low profile section, the portion 15B
being separated by ramps 15C and 15D and the portion 15A being disposed below leg and a ramp extending down toward the edge f5E. This is one example of the type of snap-on available. The thmnb portion ~3E is another example of the type of snap-on which might occur. By reversing the portions 33E and portion, for example, 41 that hi~gE' ~.'~
is a channel being disposed on the extrusion ancf a thumb being disposed on the snap-on fitting, it would work equally as well. No limitations are therefore implied.
While the foregoing provides a detailed description o~ preferred embodiments of the invention, it is to be understood that this description is illustrative only of the principles c>f the inue~ntion an ci is not meant to be restrictive.
Furthermore, as many changes can be made tc:~ the iw°ention without departing from the scope of the invention, it is intend ~yd that all xnat;e~~ial contained herein be interpreted as illustrative o.~ tile invention t~rrci not in a limiting sense.

Claims (15)

1. A skylight for installation in an opening disposed in a top of an enclosure comprising framing sections adapted for installation adjacent the opening, said sections providing for variation in installations and accommodating on site adjustments when fastening and fitting the skylight within the opening of the enclosure, said framing sections having disposed therewith snap on molding engaging portions and being adapted to receive supplementary snap on moldings adapted to engage with the snap on molding engaging portions of the framing section which provides for variation in installation tolerances resulting from installation of said skylight, accommodating on site adjustments.

2. The skylight of claim 1 wherein tho moldings are generally "F" shaped in cross section having a leg being trimmable at several positions along the leg to accommodate various thicknesses of material forming a tunnel within the enclosure adjacent said opening.

3. The skylight of claim 1 wherein the moldings are generally "L" shaped in cross section for abutting aluminum sheeting proximate a bottom of a solarium ceiling, and covering any exposed rough edges of the ceiling.

4. The skylight of claim 1 wherein the molding is generally "J" shaped in cross section and includes a trimmable flange to allow for variation in thickness of material forming a tunnel within the enclosure adjacent said opening.

5. A skylight assembly comprising a main frame for surrounding an opening in a top of an enclosure, such as a "roof" of a dwelling or solarium, said enclosure separating an interior space and an exterior, and having a top, said opening extending from the exterior into the interior space of the enclosure, said main frame including at least one main frame section having a top, a bottom, a first exterior side and a second interior side and two ends, said top of said section for receiving and securing a glass light said bottom of said section for securing to adjacent the top of the enclosure adjacent the opening said top of said section including; a screw port for receiving a fastener, a glass receiving channel, an exterior condensate receiving channel located proximate the first exterior side, an interior condensate receiving channel located proximate the second interior side; the bottom of said frame section having a removable leg provided therewith extending downwardly away from said frame section for abutting one side of the material within a tunnel forming the opening, the main frame section also having a supplementary molding engaging portion disposed proximate the second interior side of the main frame section, said supplementary molding engaging portion for receiving a snap on supplementary molding adapted to friction fit with the supplementary molding engaging portion of the framing section for engaging and abutting an opposite interior surface of the material engaged by said removable leg, wherein said skylight assembly accommodates for variations from one installation to another.

6. The skylight assembly of claim 5 wherein said main frame section has a flashing anchoring member disposed proximate the top thereof proximate the first exterior side.

7. The skylight assembly of claim 5 or 6 wherein a removable flashing portion is disposed proximate the bottom of the first exterior side, said removable flashing portion being removed when the skylight is installed without a curb thus providing an aesthetically more pleasing installation.

8. The skylight assembly of claim 5 wherein the supplementary molding engaging portion is disposed proximate the top thereof and the frame section has a low profile and includes at least two interconnected horizontally disposed subsections.

9. The skylight assembly of claim 5 wherein the supplementary molding engaging portion is disposed proximate the bottom thereof and the frame section has a high profile of at least two interconnected vertically disposed subsections.

10. The skylight assembly of claim 5, wherein said supplementary molding has a trimmable flange to accommodate variations in dimensions of material providing for on site adjustment to variations in wall thickness.

11. The skylight assembly of claim 5 wherein the supplementary moldings are selected from one of the group of generally "F", "L" or "J" shaped moldings.

12. The skylight assembly of claim 5 wherein the supplementary moldings also include a trimmable appendage extending therefrom to allow for variations in installations.

13. The skylight assembly of claim 11 wherein the supplementary moldings are flexible and therefore flex from an angle of slightly less than substantially ninety degrees, to an angle of about ninety degrees.

14. The skylight of claim 1 or 5 further comprising a first and second skylight disposed above and below one another on a roof comprising a separate generally "L"
shaped interconnecting member having a vertical and a horizontal leg and having a smaller leg extending substantially parallel and adjacent to the horizontal leg, said member abutting the exterior of the first skylight proximate a trimmable flange adjacent the bottom of the exterior side, and the second skylight interlocking with the first skylight when the trimmable flange adjacent the bottom of the exterior side of the second skylight is disposed between the smaller leg and the horizontal leg of the interconnecting member.

15. An interconnecting member for interconnecting a first and second skylight disposed above and below one another on a roof comprising a generally "L"
shaped interconnecting member having a vertical and a horizontal leg and having a smaller leg extending substantially parallel and adjacent to the horizontal leg, said member abutting an exterior of a first skylight proximate a trimmable flange adjacent a bottom of an exterior side, and the second skylight interlocking with the first skylight when the trimmable flange adjacent the bottom of the exterior side of the second skylight assembly is disposed between the smaller leg and the horizontal leg of the interconnecting member.