This typical roof assembly is built upon an existing wood decking that requires sandblasting, patching, repair, and a finish of clear sealer. Rigid insulation is installed directly above the decking, overlaid with roof sheathing. A continuous roof membrane tops the assembly to provide weatherproofing. The layers are detailed as a standard roof construction type designated R1.
RIGID INSULATION ROOF SHEATHING ROOF MEMBRANE R1 - TYPICAL ROOF ASSEMBLY EXISTING WOOD DECKING, SANDBLAST, PATCH & REPAIR, & RE-FINISH WITH CLEAR SEALER
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