Pitch Pocket Roof Definition

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.

Pitch pocket roof definition.

Definition of pitch pocket. Roofers express roof slope as rise or pitch measured in inches of vertical rise per foot of horizontal distance or run. A pitch pocket is simply a sheet metal sleeve flashed into the roofing membrane. When this happens don t just apply more sealant.

A pitch pocket is the last resort for sealing a roof penetration. A flanged open bottomed enclosure made of sheet metal or other material placed around a penetration through the roof filled with grout and bituminous or polymeric sealants to seal the area around the penetration. While rubber flat roof doesn t sell pitch pockets we do sell the tools to secure them to your rubber flat roof. Although there are several other construction waterproofing techniques that are being used the original pitch pocket is still s effective.

The penetrating object say a small angle penetrates the roof membrane through the sleeve. Clear answers for common questions. When you have exhausted every possibility for accommodating a roof penetration in a more fool proof way a pitch pocket is the solution. Step by step of how to install pitch pocket on tpo roof.

A pitch pocket is used on both sloped and flat roofs to provide a water tight seal around columns or other roof penetrations. That will last less time than the original application did. The old sealant needs to be cleaned out and fully removed the concrete grout checked and only then filled with more sealant. A pitch pocket is usually made from sheet metal such as aluminum or steel and is fitted around the rooftop penetration to protect the roof from moisture.

Step by step of how to install pitch pocket on tpo roof. Pitch pockets are used for sealing awkward roof penetrations. A pitch pocket is a sheet of metal sleeve flashed into the roofing membrane. A method of interlocking metal usually at a slope change.

And the sleeve is filled with a flowable permanently mastic material to seal around the penetration. A pitch pocket is one of your roof s most vulnerable features. So a 3 inch rise roof also described as a 3 in 12 roof means that for every 12 or foot of horizontal distance the height of the roof increases by 3.