Plys On Built Up Roof

Built up roofing or bur is the most popular choice of roofing used on commercial industrial and institutional buildings.

Plys on built up roof.

Built up roofs generally are considered to be fully adhered if applied directly to roof decks or insulation. Built up roofing also called bur is the most common roofing material used on low slope roofs. This prevent leaks mold and rot all of which can weaken the roofing structure and cause costly damage. Bur is preferred for low slope or flat roofs because it creates a continuous sealed surface.

A built up roof bur is the most widely used material for covering flat roof surfaces. Call us at 905 270 6799 or complete this online form. Roofing felts are reinforced with either glass fiber mats or organic mats. Wally for the project kick off segment of the roofing it right miniseries on installing a commercial roof from start to finish.

Felts are produced in a standard width of 36 inches and metric width of about one meter. Built up roof bur modified bitumen and single ply. Gentech roofing provides free roof inspection services. The reinforcing fabrics also are called roofing felts or ply sheets.

Components of a bur system include the roof deck a vapor retarder insulation membrane and surfacing material. 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. Meets the requirements of astm d 3909. Glaskap is used as a cap sheet in a variety of built up roofing systems.

B u r roof membranes tar and gravel a 4 ply roofing system involves roofing felts that are typically four plies composed of layers of. Each system is designed to waterproof the roof and protect it from sun rain snow and more. This price range can change depending on the materials you choose. Built up roofing for an average commercial roof it will usually cost between per 5 50 8 50 square foot in materials and labor to install a typical built up roofing system.

Provide protection to the underlying bitumen and membrane and have a low maintenance cost. 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. Low moisture excellent dimensional stability and resistance to rot make it an ideal replacement for organic cap sheets. There are 3 main types of flat roofing systems.

Asphalt coated fiber glass reinforcement mat. Book your free inspection now.