Florida Built Up Roof

Its multiple layers provide added protection and perform well in punishing weather conditions.

Florida built up roof.

After the felts have been installed a surfacing material such as slag or gravel aggregates are set into place. Commonly referred to as tar and gravel roofs bur consists of layers or plies of roofing felts between which asphalt or bitumen is applied. Bur consists of alternating layers of bitumen asphalt with layers of roofing felt creating a durable multi layer membrane that can resist the harshest florida summers. Hud1225d flintlastic membrane roofing system.

Fl 477 built up roof systems. The installation of built up roofs shall comply with the provisions of this section. Fl 15692 synthetic roof underlayments. Built up roofing bur is one of the oldest and most reliable commercial roofing systems for low slope or flat roof structures.

Built up roofing also called bur is the most common roofing material used on low slope roofs. Bur is preferred for low slope or flat roofs because it creates a continuous sealed surface. Surfacing materials protect the membranes and help protect the roof from uv degradation. 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.

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 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. A built up roof in sunrise florida that features a reflective coating can be considered a cool roof. Fl 2533 flintlastic modified bitumen roof systems.

Crrc directory of rated products. Fibrous glass or organic rag felts are used in the installation.