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.
Smooth bur roofing.
Built up roofing systems have many variables such as the types of mats that reinforce the ply sheets and the type of bitumen used.
The finish of a built up roof sometimes looks like a rocky beach because gravel mineral granules or slag are mixed in with the asphalt but these roofs can also be smooth.
Bur is primarily used on low slope and flat roofs mainly older industrial buildings and schools.
Built up roofing also called bur is the most common roofing material used on low slope roofs.
Sbs sebs resin technology and elastometric coatings.
Smooth sloped bur roof restoration.
Bur is preferred for low slope or flat roofs because it creates a continuous sealed surface.
An asphalt smooth bur roof system is an older low slope roof system on which many contractors have been chasing leaks for years.
Repair and restoration of bur roofs.
Coating bur with metacrylics increases the efficiency of the building by reflecting heat and damaging uv rays.
Smooth surface bur modified capsheet metacrylics coatings provide protection over failing or aged built up roofing bur.
Bur absorbs and holds heat advancing the aging and weathering of the roof and eventually causing failure and leaks.