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FLASHING DETAILS FOR CONCRETE MASONRY WALLS. INTRODUCTION. At critical locations throughout a building, moisture that manages to penetrate a wall is collected and diverted to the outside by means of flashing. The type of flashing and its installation may vary depending upon exposure conditions, opening types, locations and wall types.
Drawings for flashing details, often the only method of communicating the necessary information between the designer and contractor, should be comprehensive and show sufficient detail for the proper interpretation and installation of flashing systems. TEK 19-05A Flashing Details for Concrete Masonry Walls (ref. 3) includes such details.
FLASHINGS AT COPINGS AND CAPS. The type of flashing detail to use on low-sloped roofs will in part depend on the type of roofing membrane being used. As with any flashing detail, the materials used should result in a uniform and compatible design.
11 Μαΐ 2012 · At the base of walls, a sheet metal flashing assembly that extends from the face of the backup wall through the masonry should be used to form a drip outside the wall. A sheet waterproofing membrane or water-resistive barrier is utilized to flash over the back leg of the metal flashing (see Figure 4).
Figure 1.7: Wall flashing 1-8 Figure 1.8: Cap flashing 1-8 Figure 1.9: Damp-proof flashing 1-9 Figure 1.10: Drip flashing 1-9 Figure 1.11: Flashings with end dams 1-13 Figure 1.12: Sealant joint 1-13 Figure 1.13: Proper joint design 1-15 List of details Detail 2.1: Foundation Wall/Brick Veneer Intersection Wood-Frame Wall–Flashing 2-3
You could use either a drip cap, cap flashing, or Z-flashing – essentially the same as a drip cap, but with a taller upper leg. You could also adapt a roof drip edge or have a custom flashing fabricated by a siding or sheetmetal shop.
Minimum requirements for head flashings for both direct-fixed claddings and claddings on. cavity (see Figures 34 and 35) include that they: comprise a single continuous flashing for the full width of the frame with 10 mm stop-ends terminating at the back face of the claddings. have a 15° cross-fall.
