Fiberglass Tar Paper Flat Roof

It improves look and uniformity because your roof deck might not lie perfectly straight or flat a layer of roof paper gives an even uniform surface upon which you can install your shingles.

Fiberglass tar paper flat roof. Ft 75 base sheet membrane roll for low slope roofs. Once made of tar paper these types of roofs gradually are using more advanced materials such as fiberglass membranes. The felt paper is in turn covered with a flood coat of bitumen asphalt or tar and then gravel to keep the sun s heat uv rays and weather off it and helps protect it from cracking or blistering and degradation. Traditionally most flat roofs in the western world make use of tar or asphalt more usually felt paper applied over roof decking to keep a building watertight.

It also offers great protection for the wood or other roofing material it covers and it can be used under any type of roofing material. This repair uses a solvent bas. In this video we will be taking a look at a flat roof repair that will cover large areas or the whole roof if you need it to. It is so widely used because it is one of the best papers for sealing cracks seams and nail holes.

A bottom layer or two of insulation board multiple intermediate layers of tar or asphalt alternated with layers of roofing felt and a top layer of gravel. Bur consists of many layers. Roofing felt also known as tar paper is probably the most common type of roofing paper. Built up roof bur the traditional hot tar and gravel roof is built from three or more plies of waterproof material alternated with hot tar and ballasted by a layer of smooth river stone.

Just enough slope to drain water but also flat enough to be a problem if not constructed properly. Roofing felt prevents the deck from being exposed to the elements before or while the shingles are being applied. Using a fiberglass mop a professional will apply tar in small smooth strokes. Gaf tri ply 3 ft.

Of course flat roofs are not flat but have a very slight roof pitch of between 1 4 to 1 2 per foot. Many home builders use roof tar when constructing a flat roofed house.