Residential Built Up Roof

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.

Residential built up roof.

Class a b or c roofing shall be installed in jurisdictions designated by law as requiring their use or where the edge of the roof is less than 3 feet 914 mm from a lot line. Bur is preferred for low slope or flat roofs because it creates a continuous sealed surface. Wally for the project kick off segment of the roofing it right miniseries on installing a commercial roof from start to finish. One of the most common commercial roofing materials in use today it is also one of the oldest of the modern roofing options dating back to the early 1800.

Whether you re an experienced commercial roofer a steep slope roofer thinking of adding low slope services or just like to learn from the best you ll want to join gaf senior commercial training specialists dave scott and wally brown dave amp. The bitumen is comprised of coal tar asphalt or other types of adhesives. Built up roofing also called bur is the most common roofing material used on low slope roofs. Built up roof bur modified bitumen roof mbr and rubber membrane roof epdm.

From there the flat roof system you choose will determine the materials you apply. A built up roof or tar gravel roof as it is also known is layers of gravel or aggregate and bitumen. First let s define what a tar gravel or built up roof bur is. This roofing option is popular among both residential and commercial properties.

Built up roofing bur is one of the most reliable and oldest ways to install low slope and flat roofs. Let s look at both solutions. Built up roofing bur built up roofing bur is an excellent option for flat or low slope roofs and is particularly effective for large commercial properties. A dependable choice for flat or low slope roofs built up roofing bur has long been popular for commercial applications.

Roofs shall be covered with materials as set forth in sections r904 and r905. Both solutions work on a little to no slope type of roof. With over 100 years of application built up roofing is time tested and tough enough for heavy foot traffic. With a history that dates back to the early 1800s bur has the proven functionality you want for your commercial building.

Pros and cons for flat roof materials all three types of flat roofing cost 250 to 350 per square 100 square feet but prices vary according to region and size of the roof.