Plys On 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.

Plys on built up roof.

Felts are produced in a standard width of 36 inches and metric width of about one meter. 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. What is a 4 ply roofing system. Book your free inspection now.

Built up roofing or bur is the most popular choice of roofing used on commercial industrial and institutional buildings. These roofs have been used for well over a century and are made from multiple layers of reinforced fabric joined by a binding agent or bitumen each layer of fabric is known as a ply and higher numbers of plies are associated with more long lasting and durable roofs. This price range can change depending on the materials you choose. Low moisture excellent dimensional stability and resistance to rot make it an ideal replacement for organic cap sheets.

Asphalt coated fiber glass reinforcement mat. Components of a bur system include the roof deck a vapor retarder insulation membrane and surfacing material. Wally for the project kick off segment of the roofing it right miniseries on installing a commercial roof from start to finish. 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.

A built up roof bur is the most widely used material for covering flat roof surfaces. Glaskap is used as a cap sheet in a variety of built up roofing systems. Built up roofing also called bur is the most common roofing material used on low slope roofs. 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 reinforcing fabrics also are called roofing felts or ply sheets. Provide protection to the underlying bitumen and membrane and have a low maintenance cost. Built up roof bur modified bitumen and single ply. Bur is used on flat or low sloped roofs and consists of multiple layers of bitumen and ply sheets.

Meets the requirements of astm d 3909. Each system is designed to waterproof the roof and protect it from sun rain snow and more. There are 3 main types of flat roofing systems. Gentech roofing provides free roof inspection services.

Built up roofs generally are considered to be fully adhered if applied directly to roof decks or insulation. Call us at 905 270 6799 or complete this online form.