Hot Asphalt Roof System

This includes the roof deck and the supporting structure typically roof trusses and or rafters as well as the roof system itself.

Hot asphalt roof system.

Asphalt roofing systems that really resist structural and thermal movement even in temperatures below 0. Available in a variety of thicknesses in smooth and granule surfaces sbs membranes may be installed in hot asphalt cold adhesive or may be heat welded. On a hot built up roof the multiple plies are fused together using hot mopped asphalt to create a monolithic barrier. Hot asphalt roofing is a type of built up roofing in which asphalt forms the waterproofing component of the roof membrane.

Firestone sbs modified bitumen roofing systems incorporate a synthetic rubber based technology which yields exceptional flexibility even in extremely low temperatures. However those with a hot roof are not eligible for gaf s highest level of warranty because a hot roof does not have the insulation standards that their asphalt shingles were designed for. Solid asphalt a by product of petroleum refining processes is melted on site in an industrial asphalt kettle and applied to the roof as a hot liquid. Don t forget to add all roof assembly materials when calculating total roof weight.

Asphalt impregnated roofing felts are installed in. Both of these options provide an effective way to waterproof a roof creating a base that will stand up to weather while keeping the inhabitants of the building dry. The hot asphalt is laid out evenly with a large heated mop over the surface. To begin the hot mop process a layer of hot asphalt will be spread on top of the roof s base sheet.

Single ply systems require ballast or fasteners because they are generally laid loose. The traditional built up roof system has been in existence for over 175 years. Hot mopped asphalt roofing hot tar roofing tar roofs or multi ply tar roofing. At the same time a 90lb felt or modified bitumen cap sheet which is a type of asphalt that is modified with rubber or fiber is applied onto the hot asphalt.

Asphalt a petroleum by product is the major component of this system. Firestone provides a wide range of accessories and installation tools in addition to high quality built up membranes suitable for almost any flat or low slope roof condition. When it comes to estimating the weight of an existing roof field verification of the in place construction is necessary. Before moving forward with a hot roof check with your roofing manufacturer to make sure that doing so will not void your roofing warranty.