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.
Pitch pocket roof.
This method involved installing a 2 inch high flanged open top metal box placed around the penetration mechanically fastening it to the roof and filling it with non.
Everguard tpo single ply roofing system molded pourable sealer pockets provide roofing contractors an easy to install factory built detail.
A traditional pitch pocket resembles a top hat with an open top and bottom.
When you have exhausted every possibility for accommodating a roof penetration in a more fool proof way a pitch pocket is the solution.
A pitch pocket is a sheet of metal sleeve flashed into the roofing membrane.
Pitch pockets are used for sealing awkward roof penetrations.
In the past using pitch pockets or pitch pans around penetrations was a common practice especially on modified bitumen and built up roofs.
A pitch pocket is used on both sloped and flat roofs to provide a water tight seal around columns or other roof penetrations.
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.
A pitch pocket is the last resort for sealing a roof penetration.
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.
The penetrating object say a small angle penetrates the roof.
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.
The trouble with pitch pockets.
Step by step of how to install pitch pocket on tpo roof.
A pitch pocket is simply a sheet metal sleeve flashed into the roofing membrane.
Seal the edges of the curb.
The open seam is aligned using built in connectors or grooves.
