GB2516466A - Building product and building construction - Google Patents
Building product and building construction Download PDFInfo
- Publication number
- GB2516466A GB2516466A GB1313134.7A GB201313134A GB2516466A GB 2516466 A GB2516466 A GB 2516466A GB 201313134 A GB201313134 A GB 201313134A GB 2516466 A GB2516466 A GB 2516466A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cavity
- building
- wall
- tray
- hinge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000009435 building construction Methods 0.000 title claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000010276 construction Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 241001619461 Poria <basidiomycete fungus> Species 0.000 claims 1
- 239000011449 brick Substances 0.000 abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000005755 formation reaction Methods 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/70—Drying or keeping dry, e.g. by air vents
- E04B1/7038—Evacuating water from cavity walls, e.g. by using weep holes
- E04B1/7046—Evacuating water from cavity walls, e.g. by using weep holes using trays
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/64—Insulation or other protection; Elements or use of specified material therefor for making damp-proof; Protection against corrosion
- E04B1/644—Damp-proof courses
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/14—Junctions of roof sheathings to chimneys or other parts extending above the roof
- E04D13/147—Junctions of roof sheathings to chimneys or other parts extending above the roof specially adapted for inclined roofs
- E04D13/1478—Junctions to walls extending above the roof
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C2003/023—Lintels
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Building Environments (AREA)
Abstract
The cavity tray has drainage formations (200) extending across the width of the cavity tray. These may be grooves or ridges, which in use prevent moisture travelling along the cavity if the tray is incorrectly installed. The cavity tray has a base (14) on which a building module (e.g. a brick) of the outer skin of a cavity wall is to stand. A rear wall (16) extends upwardly from the base (14) and has a line of weakness (18) leading to an upper portion (20) which is resiliently biased rearwardly. Thus, in use, the upper portion (20) bridges the cavity and presses against the inner skin. A side wall (22) shields the side of the brick against seeping water. A depression (28) conducts water to the free edge for discharge. At the front, a channel (36) retains a flexible flashing (40). Tray may be provided in combination with a lintel or damp proofing.
Description
BUILDING PRODUCT AND BUILDING CONSTRUCTION
The present invention relates to a building product which is intended to be installed at least partly in a cavity of a cavity wall, particularly a cavity tray.
Other possibilities include damp proof courses and lintels. In a second aspect the invention relates to a building construction comprising a cavity wall with such a building product installed in it.
There are many building products that are intended to be installed at least partly in a cavity of a cavity wall, and which are intended to control the movement of moisture within the cavity. Thus they may be intended to direct moisture outwardly, or otherwise to control where it goes, and how and where it is discharged. However If a product comprises a portion that extends along the cavity, there may be a tendency for moisture to flow along the building product in a manner that was not intended, and possibly then to fall down within the cavity where it is not intended. This effect may be increased if the product is installed incorrectly such that a portion which should extend horizontally within the cavity actually slopes in the direction along the cavity.
Fig. 1 is Fig. 1 of Patent GB 2,142,359. It shows a cavity tray which is produced by Cavity Trays Limited under the name "Type K Cavitray!. This has a body portion 12 formed of a plastics material including a flat S base portion 14 and a rear wail 16 that exterds upwardly and rearwardly. At an intermediate region of the rear wail 16 there is a groove 18 providing a hinge about which an upper portion 20 of the wall 16 can be flexed.
At one lateral edge of the base portion 14 there is an end wall 22, which extends to the height of the hinge line 18, and has an upwardly and outwardly extending flap 24. The front of the tray is open apart from a triangular corner gusset portion 26.
The base portion 14 has an elongate depression 28 extending for most of its length from the free shorter edge (the short edge not having the end wall 22), the depth of the depression 28 decreasing away from the free edge.
At the front of the base portion, there is a thickened portion 34 which is formed with a slot 36, open to the front, for receiving a sheet of flexible flashing 40, secured in place by staples 42.
in use, the cavity tray 10 is built into a cavity wall, so that the base portion 14 extends through the outer skin. The rear wall 16 extends upwardly and rearwardly to bridge the cavity. The hinge 18 enables a single model of tray to serve for a variety of cavity widths.
Water within the wall cavity is caught by a cavity tray 10 and passes onto the base portion 14. It may be discharged from the front edge of the base portion 14 (apart from the region of the gusset portion 26) or it may be conducted along the drainage depression 28 so as to flow off the open short edge of the base portion 40.
Since the tray 10 will generally be installed so as partly to overlap another, lower tray 10 of a gable construction, the water will then fall into that next lower tray, assisted by the flap 24 thereof a However, water flowing down the upper portion 20 of the rear wall 16 encounters the groove 18 constituting the hinge. It may therefore tend to flow laterally along the groove 18, especially if the tray 10 has been installed slightly inaccurately, so that the base portion 14 and the groove 18 are not horizontal but slope in the direction along the cavity. Therefore water may be discharged from an end of the groove 18 in a manner which was not intended, possibly escaping from the array of cavity trays and falling down within the cavity.
According to the present invention, in a first aspect, there is provided a building component for installation in a cavity wall so that at least a cavity portion of the component extends within the wall cavity, said cavity portion comprising an elongate portion intended to extend in the direction along the cavity; said elongate portion having a drainage groove or ridge extending transversely to said direction along the cavity for intersecting moisture travelling in said direction.
The elongate portion may be intended to extend substantially horizontally in said direction along the cavity.
The cavity portion may be an upstand intended to rise within the cavity from adjacent the front skin of the cavity wall, upwardly and rearw'ardly.
The cavity portion may have an upper portion connected to a lower portion via a portion constituting a hinge, the hinge portion extending in the direction along the cavity, and being intercepted by said drainage groove or ridge. There may be a drainage groove or ridge adjacent each end of the hinge portion.
The hinge portion may be a living hinge constituted by a thinned region. This may create a laterally extending channel along which water may tend to flow and be intercepted by said drainage groove or ridge.
Alternatively the hinge portion may actually be thicker than adjacent portions, e.g. if it is a rotating joint hinge. This can still create a lateral flow path along which water may tend to flow. A drainage groove may comprise a gap in such a thickened hinge portion.
The building component may be a cavity tray. The cavity tray may have a base portion intended to extend through the front skin of a cavity wall, the cavity portion being connected to the inner edge of the base portion so that, in use, it extends upwardly and rearwardly across the cavity.
In another aspect the invention provides a building construction comprising a cavity wall having a front skin, a rear skin and a cavity between the skins, and a building component as defined above installed so that at least a cavity portion thereof extends within the wall cavity.
The invention will now be described in more detail with reference to the accompanying drawings in which: Fig. 1 shows a cavity tray as disclosed in GB 2,142,359; and, Fig. 2 shows the cavity tray of Fig. 1 modified so as to embody the present invention.
The cavity tray shown in Fig. 2 is in most respects identical to the cavity tray shown in Fig. 1 and already described, and corresponding elements bear the same reference numerals. Near each lateral end, there is a respective groove 200 extending downwardly across the hinged upper panel 20, across the hinge groove 18, and a short way down the lower rear wall panel 16. Thus any moisture tending to travel outwardly from the central portion of the hinge 18 (between the grooves 200), or of the upper panel 20, does not reach an end of the tray 10'. It is trapped by a groove 200 and fed down onto the lower panel 16, whence it will descend to the base portion 14. Here it may either pass forwardly and exit over the flashing 40, or flow along the drainage depression 28.
Claims (13)
- CLAIMS: 1. A building construction comprising a cavity wall having a front skin, a rear skin and a cavity between the skins, and a building component installed so that at least a cavity portion thereof extends within the wall cavity, said cavity portion comprising an elongate portion which extends in the direction along the cavity; said elongate portion having a drainage groove or ridge extending transversely to said direction along the cavity for intersecting moisture travelling in said direction.
- 2. A building construction according to claim 1 in which said cavity portion is an upstand which rises within the cavity from adjacent the front skin of the wall, upwardly and rearwardly.
- 3. A building construction according to claim 1 or claim 2 wherein the cavity portion has an upper portion connected to a lower portion via a portion constituting a hinge, the hinge portion extending in the direction along the cavity, and being intercepted by said drainage groove or ridge.
- 4. A building construction according to claim 3 having a drainage groove or ridge adjacent each end of the hinge portion.
- 5. A building construction according to any preceding claim wherein the building component is a caYity tray, a damp proof course or a lintel.
- 6. A building construction according to claim 5 wherein the building component is a cavity tray having a base portion that extends through the front skin, the cavity portion being connected to the inner edge of the base portion and extending upwardly and rearwardly.
- 7. A building component for installation in a cavity wall so that at least a cavity portion of the component extends within the wall cavity, said cavity portion comprisjng an elongate portion intended to extend in the direction along the cavity; said elongate portion having a drainage groove or ridge extending transversely to said direction along the cavity for intersecting moisture travelling in said direction.
- 8. A building component according to claim 7 in which said cavity portion is an upstand intended to rise within the cavity from adjacent the front skin of the cavity wall, upwardly and rearwardly.
- 9. A building component according to claim 7 or claim 8 wherein said cavity portion has an upper portion connected to a lower portion via a portion constituting a hinge, the hinge portion extending in the direction along the cavity, and being intercepted by said drainage groove or ridge.
- 10. A building component according to claim 9 having a drainage groove or ridge adjacent each end of the hinge portion.
- 11. A building component according to any of claims 7-10 which is a cavity tray, a damp proof course or a lintel.
- 12. A building component according to claim 11 which is a cavity tray having a base portion intended to extend through the front skin of a cavity wall, the cavity portion being connected to the inner edge of the base portion so that, in use, it extends upwardly and rearwardly across the cavity.
- 13. A building component or a building construction including a building component, said component being substantially as described herein with reference to and as illustrated in Fig. 2 of the accompanying drawings.Amendments to the claims have been filed as follows: CLAIMSt I bujithing cSt:flLcttfl GXftpriSifl & wall. tii*itiq a f±ôt &tiEt, A ii it EJdh &hd a it5r bét*Aéh tht àtihr àhd a Thfldiâ tô*pët4ént:nstal1sd: that at least a cavizy port&on thereof extends wflh3 the wail ctt c tt PPd4c!3 ç iatg an portion ä in t%tq dictipy aig t qflty; said elongate portthn Fkaving an uper poria cønnected tp a ier portiop via a;poflio c;qnstitting & *ctnge the bdnge pxtat extea4iAg in the diettiozi S1AAPg the: 4 cavity fld teftdtnq th atatt a 1tttt1 fLb psth 4 whicth water ny tend to f1Aw said binge pcnSn beifll: 0 itee±itd fl d±a1i1A ±tae è*téüdi4 LI') tSsteneiy tts aid ditti4tx 4q the aav.ty tar intercepting moisture travelling in saiØ direct içn. buiLdiag t1nc:bdqa aQQQrdlng to ain 1,. ifl wItit1' aid cavty pert±gi i a t*p and whict r1s s within the aytty ha a4* a!=at *e ront ath o the wall. upnr4iy arid rnrw3rdly.3 A buildIng ponstractiQr according to claim 1 or claim 2 ttaflng a drainage groove or ridge adjacent each o the hinge poztim.4 * ádóifd±h4 t F preceding claim wheve&i'i the build g component is a cavjty t;y. , ciaap floQ,f coxzae Q a; * b;uitMig Qnztrutian cerd1ng to 1am 4 ID er in tt%e uid&rzg;cp;qent is a cavity tray hayiflg base rtia that e*tsnds thrgh the trGrt skin the c1;ity ti&i b:nq ciTh'thd to the j:: ed4 of th base ponion and azteztding pwatdJy and rea3rd1y tO G A biid'SOpdflttt fb iflSt11ttS4t i 4 cavity wall so ht at least a cavity portion of the component extends within the wail cavity., said cavity pcztc: qompzThq a,, tQac:ata, P tdz tendd t Stend F in tiw 4iects* a4pn:g t:he cayt:y; s4 iagat# pqrtign 2 lining an upr pothj: ion c necd to a lcrx poripn via a ptiø3 QøStittUtti,fl a hLne, the bJnqe p:ztin £ the xctir &*w the cavSty and tt ctste a 1sterL fit path aioiiq tbid tStSt ntay tend.ta fiow said hinge portibn being intezoepted by a F 13 driinMe rove or ri4ge eten4irg trananse1y to aafl direcitiG.n a1a:n the. cavity Sr. irtersectiriq mi:stute trneiiiAg ±n sa&rJ ds:ecttr.L A buiidi: oai; th o:lait 6 Th F which satd cavity partiion is n upstartd intended to rise tb4 tIc c*tr a4cmt the;pjt aMa cf oviy w*t1, p41,y 4 rearwardly.to a building a pwtent aqoding to dia±m or F claim 7 havthq a 4raimage qrove r ti4q adcent each eM f the hirte; ptit. IL()0. a bUt di1h iupt'eit of ttifti LI') 15 68 whthh Is a atn tay a d*thp ptet tiits øt a iSntei.jQ: A *ug cpne acx:4Mg io na,.is a cavity ty, ha?vtng p:fl1on ifltAfld tg Xt!d through bef fiot skin a qnfty wal], cavity czttr being zmected t the. £ner SØ ot t1 base pttMtv so that, LA ass, £t ene aM rat:diyatrss. th 11 A buiidinq c.omponenb or a buij.dincx construction I Lno a i nq n rpe c. or onen hc c substantially as described herein with reference to and as illustrated in rig. 2 of the accompanying drawings. LtDLO r
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1313134.7A GB2516466B (en) | 2013-07-23 | 2013-07-23 | Cavity wall component with drainage |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1313134.7A GB2516466B (en) | 2013-07-23 | 2013-07-23 | Cavity wall component with drainage |
Publications (3)
Publication Number | Publication Date |
---|---|
GB201313134D0 GB201313134D0 (en) | 2013-09-04 |
GB2516466A true GB2516466A (en) | 2015-01-28 |
GB2516466B GB2516466B (en) | 2017-03-15 |
Family
ID=49119146
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1313134.7A Active GB2516466B (en) | 2013-07-23 | 2013-07-23 | Cavity wall component with drainage |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2516466B (en) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2245965A (en) * | 1940-02-10 | 1941-06-17 | Cunin Hyman | Lintel |
GB2025798A (en) * | 1978-07-19 | 1980-01-30 | Clark F | Sheet Metal Box Lintel |
GB2142359A (en) * | 1983-06-28 | 1985-01-16 | John Louis Shillabeer | Cavity tray |
GB2189275A (en) * | 1986-04-15 | 1987-10-21 | Glidevale Building Prod | Cavity tray with means to locate adjacent trays together |
GB2189523A (en) * | 1986-04-11 | 1987-10-28 | Ronald Curtis Bayes | Bridging member to bridge between the two damp proof courses of a cavity wall |
EP0387043A1 (en) * | 1989-03-08 | 1990-09-12 | Tbp Industries Limited | Cavity wall tray |
GB2234762A (en) * | 1989-07-25 | 1991-02-13 | Knox Colin J M | Cavity tray & insulation system |
GB2334979A (en) * | 1998-03-05 | 1999-09-08 | Ultraframe Uk Ltd | Cavity tray for roof-wall interfaces |
GB2356206A (en) * | 2000-10-20 | 2001-05-16 | Knox Colin J M | Damp proof course |
-
2013
- 2013-07-23 GB GB1313134.7A patent/GB2516466B/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2245965A (en) * | 1940-02-10 | 1941-06-17 | Cunin Hyman | Lintel |
GB2025798A (en) * | 1978-07-19 | 1980-01-30 | Clark F | Sheet Metal Box Lintel |
GB2142359A (en) * | 1983-06-28 | 1985-01-16 | John Louis Shillabeer | Cavity tray |
GB2189523A (en) * | 1986-04-11 | 1987-10-28 | Ronald Curtis Bayes | Bridging member to bridge between the two damp proof courses of a cavity wall |
GB2189275A (en) * | 1986-04-15 | 1987-10-21 | Glidevale Building Prod | Cavity tray with means to locate adjacent trays together |
EP0387043A1 (en) * | 1989-03-08 | 1990-09-12 | Tbp Industries Limited | Cavity wall tray |
GB2234762A (en) * | 1989-07-25 | 1991-02-13 | Knox Colin J M | Cavity tray & insulation system |
GB2334979A (en) * | 1998-03-05 | 1999-09-08 | Ultraframe Uk Ltd | Cavity tray for roof-wall interfaces |
GB2356206A (en) * | 2000-10-20 | 2001-05-16 | Knox Colin J M | Damp proof course |
Also Published As
Publication number | Publication date |
---|---|
GB201313134D0 (en) | 2013-09-04 |
GB2516466B (en) | 2017-03-15 |
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