Flat Roof Pitch Pocket Roof

By filling all the gaps between the base of the pocket and the roof the asphalt prevents water from leaking into the roof.
Flat roof pitch pocket roof. Step by step of how to install pitch pocket on tpo roof. A pitch pocket is a sheet of metal sleeve flashed into the roofing membrane. When it comes to flat roof repairs pitch pockets are often overlooked. 885 tropi cool 100 silicone seam and repair roof sealant.
A pitch pocket is used on both sloped and flat roofs to provide a water tight seal around columns or other roof penetrations. A pitch pocket is simply a sheet metal sleeve flashed into the roofing membrane. This is the basis for calculating the angle which is approximately a 1 19 degree slope. 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. For a diy repair watch this video to understand what to look for and how to make the. According to the international building code the typical built up flat roof that uses tar or asphalt goes by the guideline that for every foot 12 inches of a flat roof a minimum of inch must step up or down. How to install pitch pockets.
A pitch pocket is a sheet of metal sleeve flashed into the roofing membrane. For all types of roofs good roofing practice allows penetration movement independent of the roof. 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.
Firstly always install a wooden nailer around the protrusion when installing a. A pitch pocket is the last resort for sealing a roof penetration. Pitch pockets are used for sealing awkward roof penetrations. The penetrating object say a small angle penetrates the roof.
When you have exhausted every possibility for accommodating a roof penetration in a more fool proof way a pitch pocket is the solution. This requires a flexible seal at the penetration and proper attachment to the roof.