Pitch Pocket Roofing

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 pocket roofing.

A pitch pocket is used on both sloped and flat roofs to provide a water tight seal around columns or other 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. 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. The penetrating object say a small angle penetrates the roof.

A traditional pitch pocket resembles a top hat with an open top and bottom. A pitch pocket is simply a sheet metal sleeve flashed into the roofing membrane. When you have exhausted every possibility for accommodating a roof penetration in a more fool proof way a pitch pocket is the solution. Seal the edges of the curb.

While rubber flat roof doesn t sell pitch pockets we do sell the tools to secure them to your rubber flat roof. A pitch pocket is the last resort for sealing a roof penetration. 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 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.

Manufacturing facilities due to the large number of rooftop penetrations are plagued by pitch pocket problems. The open seam is aligned using built in connectors or grooves. A pitch pocket is a sheet of metal sleeve flashed into the roofing membrane. Pitch pockets are used for sealing awkward roof penetrations.