Hot Asphalt Roof System

To begin the hot mop process a layer of hot asphalt will be spread on top of the roof s base sheet.

Hot asphalt roof system.

Asphalt a petroleum by product is the major component of this system. 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. Hot mopped asphalt roofing hot tar roofing tar roofs or multi ply tar roofing. On a hot built up roof the multiple plies are fused together using hot mopped asphalt to create a monolithic barrier.

The traditional built up roof system has been in existence for over 175 years. Every inch is firmly and completely adhered over the entire roof area without the need for ballast or fasteners. Hot asphalt a form of built up roofing has also been referred to as. This includes the roof deck and the supporting structure typically roof trusses and or rafters as well as the roof system itself.

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 roofing systems that really resist structural and thermal movement even in temperatures below 0. 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. 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.

Asphalt impregnated roofing felts are installed in. Before moving forward with a hot roof check with your roofing manufacturer to make sure that doing so will not void your roofing warranty. 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. The hot asphalt is laid out evenly with a large heated mop over the surface.

When it comes to estimating the weight of an existing roof field verification of the in place construction is necessary. Don t forget to add all roof assembly materials when calculating total roof weight. 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. Firestone sbs modified bitumen roofing systems incorporate a synthetic rubber based technology which yields exceptional flexibility even in extremely low temperatures.