Pitch Pocket Roof Detail

Step by step of how to install pitch pocket on tpo roof.

Pitch pocket roof detail.

This detail is suggested to specify the configuration construction and materials required for a pitch pocket. Allow a minimum of 1 clearance from the inside of the curb to the penetration. Also known as pitch pockets our standard sizes are hand welded and made from 60 mil tpo and pvc. Multi ply roof system cross section adhered insulation in ftr 601 adhesive w sbs base ftr das2mp.

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. Step by step of how to install pitch pocket on tpo roof. Seal the edges of the curb. Seal and prime penetration.

This detail can eliminate the need for specifications covering these conditions. The detail should be modified to show the actual type of roofing on the project. 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. Multi ply roof system cross section adhered insulation in asphalt ftr das1mp pdf dwg.

Drawing title drawing download. By filling all the gaps between the base of the pocket and the roof the asphalt prevents water from leaking into the roof. 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. Once the edges of the curb are sealed the newly created pitch.