US2255279A - Flashing - Google Patents

Description

p H. CALLAWAY' 2,255,279

FLASHING Filed Sept. 19, 1939 I Patented Sept. 9, 1941 UNETED STATES" @ii'i'ENT GFFIQE FLASHING Hal Callaway, Los Angeles, Calif.

Application September 19, 1939, Serial No. 295,609

4 Claims.

This invention relates to a combined flashing and counterflashing and releasable locking means therefor for efiicient and easy installation to form a waterproof roofing material supporting means.

In the connecting of a roofing material to a wall of a deck, to a fire wall, or the like, there is the particular problem of forming a waterproof connection, and also a connection between a flashing and counterflashing of such character that the same will be particularly efficientin operation and at the same time is of simple and inexpensive construction as well as of such construction as to enable easy disconnection for purposes of inspection of the roofing or re-roofing when required. V

It is therefore an object of my invention to provide a means of connecting roofing material with a parapet, fire wall, deck wall, or the like, wherein there is provided a permanently positioned flashing means, provided with a releasable counterflashing and a means of simply and efii-' ciently locking the counterflashing to the flashing over the edge of the roofing to form a water-proof join, and which provides for the release of the counterflashing for roof inspection or reroofing, as may be desired or required.

7 Another object of my invention is to provide a flashing and counterfiashing which is of inex:

pensive construction easily installed and easily' locked in position, of not offensivefappearance so that it is applicable for flashings in visible and exposed positions, and which still permits inspection or re-roofing, as may be desired or required.

Another object of this invention is to provide a flashing application for installation in a poured 1 wall of concrete or the like and a means of simple and inexpensive form and. construction to protect the said flashing from becomingfilled with the poured wall material during formation of the wall or the like. I

While I have herein illustrated mylinvention as particularly adapted to the flashing of 'c'oir'i- Figure l is a perspective View of a fragment with the protecting means of my invention prior to installation or wall pouring or formation.

. Figure 4 is an enlarged fragmental perspective v view of the flashing, counterflashing and locking,

means of my invention.

Figure 5 is a perspective view of the flashing and counterflashing releasable locking means embodied in my invention.

Figure 6 is a perspective view of a flashing connector illustrated as in'position between fragments of flashing embodying my invention.

Figures 7 and 8 are respectively perspective views of inside and outside flashing connectors embodied in my invention.

In the preferred embodiment of my invention as illustrated in the accompanying drawing, l indicates a roof or deck and 2 indicates a deck wall, fire wall, or the like, eirt'ending upward from the surface of the roof or deck i. As herein illustrated, the roof I and deck 2 are formed of concrete or the like, and there is positioned upon the roof I a roofing material 3 which may be any suitable or desirable material such as that commonly referredto as roofing paper, composition or metal. The roofing material 3, as is customary in such constructions, extends beyond the edge of the roof I upwardly as indicated at l 7 along the inner surface of the deck or fire wall 2.

Theflashing means embodying my invention is provided for maintaining the upwardly extending portion i in position against the inner surface x of the wall 2 and for providing a fluid tight connection to prevent fluid, particularly water, from getting under the roofing material 3 at the upwardly extended edge of the portion 4.

In accordance with my invention, a flashing channel 5 formed of such material as galvanized sheet metal .ispositioned within the wall 2 during the pouring of the. concrete of which the wall is formed. The flashing 5 is formed of the g'alvanized metal to provide the converging upper and lower walls 6 and l converging to provide a of a roof and fire wall with flashing embodying my invention as adapted thereto,

restricted throat Sand terminating in vertically extending face flanges 9 and IE3. i

The flashing 5 is securedto the forms H by passing nails or other securing means l2 through the holes It provided in the back wall i l. Thus the vertical face flanges?) and-iii are force securely against the inner surface of the form member ii to aid in the prevention of the concrete running into the channel 8 before it has set. In order to insure that the channel 8 will not fill with concrete or other plastic material during the formation of the wall 2, or a similar wall cast of similar cementitious material, I have found that by the use of a relatively inexpensive complementary and flexible closing channel l that the channel 8 may be retained clear of such cementitious material. The complementary flexible channel member i5 is formed of relatively inexpensive paper material such as cardboard, or the like, having two diverging flanges l6 and ll which, when the channel member I5 is positioned within the channel 8, extend into approximate contact with the diverging walls 6 and l of the flashing 5. By forming this closure channel l5 of flexible inexpensive cardboard, the two flanges l6 and I"! may be forced together permitting their insertion into the channel 8 where, upon release, they will expand into the position as illustrated in Figure 3. It is preferable, but not necessary, that the channel member l5 be treated so that it is at least to a degree waterproofed, as by the use of a waterproofing wax, asphaltic material, or the like.

After the cementitious wall 2 has properly set and the forms ll have been removed, the closure channel l5 may be slipped out of the channel 8. there is then provided a means for removably and simply mounting a counterflashing l8 within the throat and channel 8 of the flashing 5. The counterflashing la, in accordance with my present invention, may be formed of any suitable material such, for example, as of galvanized sheet metal and has at its upper end an inwardly turned securing flange H] which is preformed to substantially the same angle of inclination as the upper wall 5 of the flashing 5 is inclined.

Means are provided for removably securing the counterflashing [8 in position within the channel 8 so that the vertically extending skirt of the flashing extends over the upper edge of the portion 4 of the roofing material 3 to form not only a lap joint, but also to force the portion 4 of the roofing material 3 against the inner surface of the wall 2 to thereby prevent moisture or water from passing behind this upper edge. This securing means includes the locking strips 25 which are formed of an easily bendable material such as galvanized sheet plate.

The locking strips are formed at their upper edge with a locking flange 2| which is formed to approximately the same angle of inclination as is the lower wall 1 of the flashing 5. The

In accordance with my invention, '30,

locking flange 2! terminates in the vertical holding flange 22 which is spaced from the body of the locking strip 20 a distance substantially equal to the depth of the channel 8 so that the holding flange 22 when the locking strip 20 is positioned within the channel 8, lies in substantial contact with the rear section M of the flashing 5. The

locking strip 20 is of a length greater than the.

length of the skirt of the counterflashing la. The manner of securing the counterflashing !8 to the flashing 5 is thus to position the locking strips 20 in the channel 8 at suitably spaced points along the length of the flashing 5. The counterflashing I8 is then inserted in position with its flange l9 extending into virtual contact with the upper wall 6 of the flashing 5. The lower end of the locking strip 20 is then bent up over the face of the counterflashing l8 as indicated at 23, while holding a tension on the locking strip 20 in an upward direction thereby to force the counterflashing l8 up into position Where the flange I9 is held in virtual contact with the upper wall 6, at which time the locking ends 24 are bent over in looking position as indicated at 23.

In order to provide for connections of the sections of the flashing 5 conecting channels 25 which may be properly designated connecting collars are provided, which are of substantially the same formation as the flashing 5 but which do not have vertical flanges corresponding to the face flanges 9 and Ill. The connecting collars 25 are made of such length as will permit the adjustable coupling to flashings 5 by adjustment .of the amount of overlap of the connecting collars 25. Thus in installing the flashings 5, a minimum of cutting or fitting on the job is required. In order to connect the sections of flashing 5 at the inner and outer corners as indicated at 26 and 21 of the wall 2, corner connecting members 28 and 29 are provided which correspond in construction and manner of use substantially with connecting collars 25 except that they are formed of angle construction as illustrated in Figures '7 and 8, respectively, with their channels 30 and 3| in which the ends of the flashings 5 are adapted to be received both upon the interior and the exterior of the angles formed.

Having fully described my invention, it is to be'understood that I do not wish to be limited to the details herein set forth, but my invention is of the full scope of the appended claims.

the wall toward said flashing, a conterflashing having a skirt adapted to extend over said throat and the upper edge of said roofing, said counterflashing having an outer flaring section approximately the contour of the said upper converging flashing section, a multiplicity of spaced locking strips of bendable metal having at their upper end holding sections adapted to be fitted into said channel flashing through said throat under the counterflashing and having wall adhering strips extending below the lower edge of said counterflashing and bent upwardly over said conterflashing to releasably hold said counterflashing over said throat and said roofing.

2. In a wall and roofing connection, the com- "bination of a channel flashing adapted to be embeded in said wall, said flashing having an open throat defined by upper and lower converging sections, a counterflashing having a skirt adapted to extend over said throat, said counterflashing having at its upper end a positioning flange adapted to extend through said throat along the upper said firing wall and a plurality of spaced locking strips adapted to be fitted in said channel flashing and to extend under the counterflashing, said locking strips being formed of bendable material whereby their lower ends are bent upwardly to hold the counterflashing in position.

3. In a wall and roofing connection, the combination of a channel flashing adapted to be secured in a wall, a counterflashing having one end positioned within the channel flashing, and a plurality of spaced locking strips of bendable material mounted at their upper end in the channel flashing extending behind the counterflashing and having their lower ends bent over the counterflashing to hold the same in position.

4. In a wall and roof connection, the combination of a channel flashing adapted to be secured in a wall, said flashing having an open throat defined by upper and lower converging walls, a counterflashing having a skirt adapted to extend over said throat, said counterfiashing having an upper angle securing flange complementary to the angle of the upper converging wall of the flashing, and counterflashing securing strips adapted to'be secured at their upper end to the channel flashing to extend behind the counterflashing and having their lower ends bent over the face of the counterflashing to hold the same in position.

HAL CALLAWAY.

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