Pitch Pocket Roof Detail

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Pitch pocket roof detail.

Seal and prime penetration. This detail is suggested to specify the configuration construction and materials required for a pitch pocket. Step by step of how to install pitch pocket on tpo roof. Also known as pitch pockets our standard sizes are hand welded and made from 60 mil tpo and pvc.

This detail is referenced on the roof plan. Since most roof failures occur at points of penetration it s critical to have a high quality pitch pan that will perform on the rooftop. Using our prefabricated pitch pans results in your crews not having to sacrifice quality for time savings. Once the edges of the curb are sealed the newly created pitch.

Allow a minimum of 1 clearance from the inside of the curb to the penetration. Seal the edges of the curb. Apply a bead of m bond at the base of the penetration and then prime the penetration with m bond 3 so it shows 1 above the m curb after it is installed. By filling all the gaps between the base of the pocket and the roof the asphalt prevents water from leaking into the roof.

Choose the proper curb size. Originally coal or tar pitch was used to seal these fixtures to the roof deck which is where the pitch pocket gets its name today installers may pour hot asphalt or grout into the top of the pocket to form a tight seal. The detail should be modified to show the actual type of roofing on the project. Multi ply roof system cross section adhered insulation in asphalt ftr das1mp pdf dwg.