Low Slope Roofing Bur

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.

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. Existing low slope roofs can be replaced or retrofitted. A continuous semi flexible roof membrane consisting of multiple plies of saturated felts coated felts fabrics or mats assembled in place with alternate layers of bitumen and surfaced with mineral aggregate bituminous materials a liquid applied coating or a granule surfaced cap sheet. Most manufacturers of low slope roofing products specify a minimum slope of between 1 4 and 1 2 inch per foot in their warranties.

Wally for the project kick off segment of the roofing it right miniseries on installing a commercial roof from start to finish. Built up roofing also called bur is the most common roofing material used on low slope roofs. Low slope roofing products begin to age as soon as they are exposed to nature and buildings experience aging factors differently. Low slope roofs are defined as roofs with a pitch of 3 in 12 or less.

For homeowners these may be the roofing applications over your porch or on garage transitions. These roofing types may also be found on condos apartment complexes and other large residential complexes. Bur is preferred for low slope or flat roofs because it creates a continuous sealed surface.