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.
Low slope roofing bur.
Built up roofing also called bur is the most common roofing material used on low slope roofs.
Existing low slope roofs can be replaced or retrofitted.
Wally for the project kick off segment of the roofing it right miniseries on installing a commercial roof from start to finish.
Most manufacturers of low slope roofing products specify a minimum slope of between 1 4 and 1 2 inch per foot in their warranties.
Built up roof systems built up roof bur.
Low slope roofing products begin to age as soon as they are exposed to nature and buildings experience aging factors differently.
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.
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 roofs are defined as roofs with a pitch of 3 in 12 or less.
Bur is preferred for low slope or flat roofs because it creates a continuous sealed surface.
For homeowners these may be the roofing applications over your porch or on garage transitions.