It is composed of alternating layers of reinforcing fabric and bitumen asphalt and is finished with a top layer of aggregate such as stone or gravel.
Low slope roofing bur.
Because it is difficult to predict how long low slope roofing products will last tamko offers a limited warranty that includes a binding arbitration clause and other terms and conditions which are incorporated herein by reference.
While membranes such as vinyl or epdm are unaffected by standing water it will shorten the life of asphalt based materials such as bur and modified bitumen.
For homeowners these may be the roofing applications over your porch or on garage transitions.
Wally for the project kick off segment of the roofing it right miniseries on installing a commercial roof from start to finish.
Low slope roofs are defined as roofs with a pitch of 3 in 12 or less.
Built up roof systems built up roof bur.
These roofing types may also be found on condos apartment complexes and other large residential complexes.
Built up roofing also called bur is the most common roofing material used on low slope roofs.
Bur is preferred for low slope or flat roofs because it creates a continuous sealed surface.
Existing low slope roofs can be replaced or retrofitted.
Most manufacturers of low slope roofing products specify a minimum slope of between 1 4 and 1 2 inch per foot in their warranties.