QC For Sheet Membrane Waterproofing and Flexible Flashing
by Jean Kouadio, from the Community
This quality control checklist supports building envelope teams inspecting sheet membrane waterproofing and flexible flashing installations. Record project and site details, weather, personnel, and locations; verify substrate acceptability for concrete, DensGlass, CMU, and others; capture product information for membranes, primers, mastics, and liquid membranes. Inspect window and door openings, heads, sills, jambs, and through-wall flashing. Check lap amounts and shingle orientation, end dams, and penetration details. Perform and document destructive tests with photos, note pass or fail with reasons, and finalize with signatures.
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