1. 8-inch-wide aluminum flashing, used to make z-flashing. 2. two beveled 2x8, used to bend flashing with homemade jig3. 2x4 tapping block, used with homemade bending jig. 4. wood gauge block, used to represent the thickness of the window casing and trim. 4 technotes � a builder�s source for construction information design phase ensure that flashing is integrated shingle-fashion with the wr , window/ door frames, and architectural elements (decorative trim), as required. heck that caulks, sealants, and adhesives are compatible with the wr. Window flashing is material installed around windows designed to prevent water from entering between gaps in adjoining building surfaces. wind-driven rainwater can enter even small spaces left between the frame, or casing, of a window and the siding, or trim, of the home..
Retrofit a flanged window video series: flash and trim the window. bill demonstrates how to use a combination of materials to flash over the flanges. finally, he installs the pre-built casing over the new window. how to replace a window series: flashing the new window. the most important defense against water infiltration is flashing.. Flashing previously installed window with exterior casing (brick mold) if a window with exterior casing (e.g., brick mold) has been previously installed without flashing, the following instructions should be followed: ensure that exterior casing is sealed to the exterior sheathing or water-resistive barrier with a good quality sealant.. Window flashing is a thin continuous piece of material that is installed to prevent water from getting into a structure from an angle or joint near windows. it is key to preventing water intrusion. window flashing is arranged in a manner that directs water down and away from the structure..
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