This invention generally relates to wall constructions, such as cavity or composite wall structures, and more particularly to flashing elements which function to direct water from a wall interior to the exterior of the wall.
In the context of cavity wall structures or construction, the walls are typically formed of two wythes. These may both be of masonry, the wythes being spaced apart to form a vertical space or cavity therebetween. Alternatively it may have an outer masonry wall such as of bricks, with an inner building wall of wood, wallboard, concrete, tile or similar commonly used interior wythe materials.
In conventional cavity wall construction, flashing is typically installed atop the foundation to direct water out of the bottom of the cavity (for instance), in association with weep holes or other elements which will enable water to escape or migrate through the outer masonry wythe. Water in the cavity is undesirable for many reasons.
Flashing typically used may be in the form of a membrane, such as a rubberized material, as well as sheet metal, just to name two fairly standard types of flashing material. It is known to provide a downturned edge along the part of the flashing which will be on the outside of the outer wythe. This is referred to as a drip edge. It is also known to construct the flashing in a hybrid manner, such that a relatively flexible membrane is used in conjunction with a relatively inflexible drip edge. The flashing may ordinarily be affixed in position using adhesive, for instance.
Building corners most often meet at ninety degree angles. The flashing can be cut to size in order to meet at a ninety degree angle in these instances. Additionally, a drip edge for use in conjunction with the flashing can be provided which is pre-formed in manufacture with parts forming a ninety degree angle. However, builders and architects are not confined to easy ninety degree corners, and corners may become obtuse as well as acute in angulation.
In accordance with one aspect and objective of the present invention, a drip edge corner element for use in masonry wall construction has a generally planar elongated member with a top side and a bottom side, with opposed side edges. This elongated member may preferably take a rectangular shape in planar profile, with two opposed long sides and two opposed shorter sides. A drip edge portion is formed along a side, such as one of the long sides.
A relieved section formed across the member divides the member into two parts. These two parts are connected at a place about which the two parts are relatively movable, such as an articulable joint or pivot therebetween. The drip edge corner is thereby angularly adjustable by moving at least one of the parts about the place or pivot. Accordingly, the preferred drip edge corner can be adjusted from straight (i.e., simple rectangle), through various angles. The angulation may desirably be between about 10 degrees through about 355 degrees, accommodating acute wall structures as well as obtuse wall structures.
The corner element in one form has a relieved section in the form of a notch formed in the elongate member. The notch in this embodiment has a triangular outline with a base of the notch being along one long side and an apex of the notch being near an opposed other long side. The apex of the notch does not extend completely across the member, so as to leave material of the element at the other long side. The two parts are thereby movable about the apex to change the angulation of the corner element as desired.
The foregoing embodiment of the corner element may be formed from an elongated member that is generally rectangular in initial shape with opposed long sides and opposed shorter sides forming the rectangular shape. A first triangular notch is formed along a first long side and extends to a first apex at a point toward but coming short of a second long side. A second triangular notch is formed along the second long side and extends to a second apex near but coming short of the first apex. The rectangular shape with the notches formed therein is folded along a line extending between the shorter sides and between the first and second apexes. The parts are movable about a point between the apexes.
The relieved area or areas need not be in the form of a triangle. It could be a slit. It could further take the shape of a rectangular cut-out, or a circular cutout, just to name two more kinds of relieved areas.
These and other aspects, objectives, advantages and attributes of the invention will be further understood and appreciated upon consideration of the following detailed description of embodiments of the invention, taken in conjunction with the drawings, in which.
The invention is described herein in an application as a corner drip edge for use in masonry construction. It could be used in other type masonry, concrete and similar building applications where a drip edge, or the like, is required.
Turning now to a first embodiment,
Turning to
Continuing with
With the two relieved areas 17 and 18 so formed, the element 10 is folded along a line extending from one shorter side 14 to the other shorter side 15 between the two apexes. A downturned drip edge 20 is thereby formed. This configuration can be supplied to the builder, or user, for use in a corner of a masonry construct, as for a flashing application for use as a drip edge, for instance. It would typically be used in conjunction with straight drip edge portions that would meet the shorter sides of the drip edge corner element along the foundation.
Turning to
In like manner, and as shown in
Thus, a drip edge corner is provided that can be used to accommodate many different corner structures in a wall.
Instead of triangular relieved areas 17 and 18,
Thus, while the invention has been described with respect to a particular embodiment or embodiments, and in one type of environment, it will be appreciated and understood that these are considered to be illustrative examples, and not limiting. Those of skill will recognize modifications, substitutions, changes and other variations which will still fall within the spirit and scope of the invention, which is as set forth in the following claims.
The present application claims priority from U.S. application Ser. No. 61/761,517, filed Feb. 6, 2013, which is incorporated by reference herein in its entirety
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