Choose the proper curb size.
Pitch pocket roof detail.
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.
Drawing title drawing download.
This detail is suggested to specify the configuration construction and materials required for a pitch pocket.
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.
Seal and prime penetration.
Multi ply roof system cross section adhered insulation in asphalt ftr das1mp pdf dwg.
Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley.
Multi ply roof system cross section adhered insulation in ftr 601 adhesive w sbs base ftr das2mp.
Seal the edges of the curb.
By filling all the gaps between the base of the pocket and the roof the asphalt prevents water from leaking into the roof.
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.
The detail should be modified to show the actual type of roofing on the project.
This detail can eliminate the need for specifications covering these conditions.