Although there are several other construction waterproofing techniques that are being used the.
Pitch pocket roof definition.
A pitch pocket is simply a sheet metal sleeve flashed into the roofing membrane.
Pitch pockets are used for sealing awkward 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.
Step by step of how to install pitch pocket on tpo roof.
If asphalt shingles are to be installed on a low slope roof special steps are required to avoid short roof life and roof leaks.
While rubber flat roof doesn t sell pitch pockets we do sell the tools to secure them to your rubber flat roof.
Low slope roofs are from 0 to 3 12 in pitch.
A pitch pocket is a sheet of metal sleeve flashed into the roofing membrane.
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.
Dave wally provide instructions on how to fix incorrectly installed leaking pitch pockets on tpo commercial roofing projects.
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.
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.
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.
Solution points include the.
Notes to the table above.
Some sources consider low slope to include 3 12 pitch roofs.
A traditional pitch pocket resembles a top hat with an open top and bottom.
The open seam is aligned using built in connectors or grooves.
Seal the edges of the curb.
By filling all the gaps between the base of the pocket and the roof the asphalt prevents water from leaking into the roof.
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.