Florida Built Up Roof

Fl 477 built up roof systems.

Florida built up roof.

Fibrous glass or organic rag felts are used in the installation. Fl 2533 flintlastic modified bitumen roof systems. Built up roofing also called bur is the most common roofing material used on low slope roofs. Its multiple layers provide added protection and perform well in punishing weather conditions.

Commonly referred to as tar and gravel roofs bur consists of layers or plies of roofing felts between which asphalt or bitumen is applied. Fl 15692 synthetic roof underlayments. Built up roof systems are composed of either asphalt or coal tar pitch and are assembled on the roof top. Crrc directory of rated products.

Surfacing materials protect the membranes and help protect the roof from uv degradation. The installation of built up roofs shall comply with the provisions of this section. When a final energy star coating is properly installed on a built up roof average summertime temperatures can drop by 60 100 degrees. Built up roofing bur is one of the oldest and most reliable commercial roofing systems for low slope or flat roof structures.

A built up roof in sunrise florida that features a reflective coating can be considered a cool 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. Hud1225d flintlastic membrane roofing system. After the felts have been installed a surfacing material such as slag or gravel aggregates are set into place.

Energy star rated products list. Built up roofs shall have a design slope of a minimum of one fourth unit vertical in 12 units horizontal 2 percent slope for drainage except for coal tar built up roofs that shall have a design slope of a minimum one eighth unit vertical in 12 units horizontal 1 percent slope.