Pitch Pocket Roofing

A pitch pocket is the last resort for sealing a roof penetration.

Pitch pocket roofing.

A pitch pocket is a sheet of metal sleeve flashed into the roofing membrane. On traditional installations metal boots or pipe sleeves are used for water tight protection but often a specialty flashing is required this is also called a pitch pocket. Pitch pockets are used for sealing awkward roof penetrations. Problems with pitch pockets a type of roof flashing used to seal penetrations prevail on all types of roofs but are most typical on built up or modified bitumen roofing systems.

A pitch pocket is used on both sloped and flat roofs to provide a water tight seal around columns or other roof penetrations. The flanges at the bottom of the pitch pocket are fastened to the top of the roof structure with vertical sections that are fitted around the unit pipes or other rooftop equipment installed on the roof. The open seam is aligned using built in connectors or grooves. The penetrating object say a small angle penetrates the roof.

While rubber flat roof doesn t sell pitch pockets we do sell the tools to secure them to your rubber flat roof. By filling all the gaps between the base of the pocket and the roof the asphalt prevents water from leaking into the roof. Although there are several other construction waterproofing techniques that are being used the. Manufacturing facilities due to the large number of rooftop penetrations are plagued by pitch pocket problems.

Definition of pitch pocket in construction a pitch pocket is a construction detail that allows the installation of vertical supports on the top of a waterproofed roofing system without negatively influencing the water tightness of the installation. Once the edges of the curb are sealed the newly created pitch pocket is ready to be filled using the m thane pourable sealant the sealant will be tack free and water tight typically in 30 minutes to one hour depending on outside weather conditions. A traditional pitch pocket resembles a top hat with an open top and bottom. Seal the edges of the curb.