Flat Roof Felt Systems

Pros and cons for flat roof materials all three types of flat roofing cost 250 to 350 per square 100 square feet but prices vary according to region and size of the roof.

Flat roof felt systems.

Built up roofing bur was the most common type of flat roof before modified bitumen and membrane roofing were developed. Here alternating layers of roofing felt usually fiberglass and hot applied asphalt are combined to create a long lasting roof system. Dealing only with flat roof applications we specialise in high quality grp glass fibre roofing system and high performance felt systems and offer a bespoke service of the highest standard. Step 1 prep work.

While laying felt is not an easy job it can be done by anyone who has the patience to deal with it. 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. Flat roofs usually come with a 10 to 20 year warranty but can last 25 years if you build the roofs right and maintain them using commonsense rules. A built up roof bur sometimes called a tar and gravel roof is a tried and true style of flat roof.

However it wasn t particularly long lasting or durable so torch on felt was created. We are very proud to be able to say that all our work speaks for itself. To protect the asphalt from the sun s ultraviolet rays fire proof the material and add weight to secure the roof membrane. In short any roof covering that can make a flat roof waterproof in one layer unlike roofing felt with its 3 layer system for instance.

Felt is laid on a flat roof to help keep the roofing system waterproof. Alternating layers of roofing felt usually fiberglass and hot applied asphalt. Let it stand for about 30 minutes and then using galvanized nails and your hammer nail down the first layer. Here are simple steps to get you started.

Roll the felt so that it overhangs the edge by 2 inches. The final layer of asphalt is topped with gravel or other chipped minerals for several reasons. Roll your felt out on the roof and cut it to fit with a utility knife. Bur consists of many layers.

The substance itself is made from bitumen which comes from the distillation of crude oil that has been either mixed with sand or crushed limestone. This can include epdm rubber and fibreglass talked about above but commonly especially in the trade and in this article it refers to pvc tpo tpe and pib. Flat roof felt roofing felt is one of the more popular and traditional methods of creating a flat roof.