Concrete masonry units window and door flashing and installation

Abstract

Concrete masonry units, CMU, windows and doors are flashed by applying a side flashing to the top and sides of the rough opening before blocking, applying a sill pan in the bottom of the rough opening, and then installing the window or door. Portions of the side flashings on the top and sides of the rough opening are then bent over the side and top window or door flanges so that a portion of the side flashings may be adhered or otherwise fastened to the flanges to provide a seal.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

These and other objects and advantages of the present invention are set forth below and further made clear by reference to the drawings, wherein:

FIG. 1 is an exterior perspective view of water migration paths through a CMU wall and inside a rough opening.

FIG. 2 is an interior perspective view of SideFlash™ flashing applied to the top of a rough opening.

FIG. 3 is an interior perspective view of SideFlash™ flashing applied to the sides of a rough opening.

FIG. 4 is an interior view of buck strips applied on the sides and upper portion of a rough opening.

FIG. 5 is an exterior view of buck strips applied on the sides and upper portion of a rough opening.

FIG. 6 is an exterior view of a Sill Pan installed after the buck strips.

FIG. 7 is an exterior view of a Folded SideFlash™ over the window nailing flange.

FIG. 8 is a cross section view of a section of SideFlash™ (flexible material) that is folded over the window or door flange and retained with an adhesive sealant or with fasteners.

FIG. 9 is a cross section view of a section of SideFlash™ (flexible material) is folded over the window or door flange and retained with an adhesive sealant or with fasteners.

FIG. 10 is a cross section view that shows a section of SideFlash™.

FIG. 11 is a cross section view that shows a section of SideFlash™ with adhesive. This adhesive can be applied to window or door nailing flange.

FIG. 12 is a flow chart describing a method for sealing a CMU opening

Claims

1. A concrete masonry unit window structure comprising a rough opening comprising an interior,an exterior,a top,a first side,a second side, anda bottom;a top side flashing applied to the top of the rough opening;a first side flashing applied to the first side of the rough opening;a second side flashing applied to the second side of the rough opening;blocking applied to the top, first side, and second side of the rough opening;a sill pan installed in the bottom of the rough opening;a window installed over a portion of the sill pan and over a portion of the blocking, the window comprising a first side flange,a second side flange, anda top flange,such that a portion of the first side flashing is bent over at least a portion of the first side flange, and a portion of the second side flashing is bent over at least a portion of the second side flange, and a portion of the top side flashing is bent over at least a portion of the top flange.

2. The window structure of claim 1 wherein the first side flashing further comprises a rigid portion and a flexible portion, such that at least a portion of the flexible portion is bent over the first side flange;the second side flashing further comprises a rigid portion and a flexible portion, such that at least a portion of the flexible portion is bent over the second side flange; andthe top flashing further comprises a rigid portion and a flexible portion, such that at least a portion of the flexible portion is bent over the top flange.

3. The window structure of claim 1 wherein the first side flashing further comprises at least one fold groove.

4. A concrete masonry unit door structure comprising a rough opening comprising an interior,an exterior,a top,a first side,a second side, anda bottom;a top side flashing applied to the top of the rough opening;a first side flashing applied to the first side of the rough opening;a second side flashing applied to the second side of the rough opening;blocking applied to the top, first side, and second side of the rough opening;a sill pan installed in the bottom of the rough opening;a door installed over a portion of the sill pan and over a portion of the blocking, the door comprising a first side flange,a second side flange, anda top flange,such that a portion of the first side flashing is bent over at least a portion of the first side flange, and a portion of the second side flashing is bent over at least a portion of the second side flange, and a portion of the top side flashing is bent over at least a portion of the top flange.

5. The door structure of claim 1 wherein the first side flashing further comprises a rigid portion and a flexible portion, such that at least a portion of the flexible portion is bent over the first side flange;the second side flashing further comprises a rigid portion and a flexible portion, such that at least a portion of the flexible portion is bent over the second side flange; andthe top flashing further comprises a rigid portion and a flexible portion, such that at least a portion of the flexible portion is bent over the top flange.

6. The door structure of claim 1 wherein the first side flashing further comprises at least one fold groove.

7. A method for sealing around a concrete masonry unit window installed in a rough opening having a top, first side, second side, and bottom; the method comprising installing a top side flashing on the top of the rough opening;installing a first side flashing on the first side of the rough opening;installing a first side flashing on the first side of the rough opening;installing blocking on the top, first side, and second side of the rough opening;installing a sill pan on the bottom of the rough opening;installing a window over at least a portion of the sill pan, top blocking, first side blocking, and second side blocking, the window having a top flange,a first side flange, anda second side flange; andbending a portion of the first side flashing over at least a portion of the first side flange;bending a portion of the second side flashing over at least a portion of the second side flange; andbending a portion of the top side flashing over at least a portion of the top flange.

8. The method of claim 7 wherein bending a portion of the first side flashing over at least a portion of the first side flange further comprises bending at least part of a flexible portion of the first side flashing over at least a portion of the first side flange.

9. The method of claim 8 wherein bending a portion of the first side flashing over at least a portion of the first side flange further comprises bending at least part of a flexible portion of the first side flashing at a fold groove.