Flat Roof Felt Systems

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 roof felt systems. We are one of the longest established flat roof companies in the wyre and fylde area and all our work is fully approved and fully. Here are simple steps to get you started. Felt is laid on a flat roof to help keep the roofing system waterproof. The final layer of asphalt is topped with gravel or other chipped minerals for several reasons.

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. Bur consists of many layers. 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. A built up roof bur sometimes called a tar and gravel roof is a tried and true style of flat roof.

Roll your felt out on the roof and cut it to fit with a utility knife. Let it stand for about 30 minutes and then using galvanized nails and your hammer nail down the first layer. Here alternating layers of roofing felt usually fiberglass and hot applied asphalt are combined to create a long lasting roof system. 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.

While laying felt is not an easy job it can be done by anyone who has the patience to deal with it. Bituminous felt is a form of waterproof sheeting that is used to cover flat roofs or as an underlay beneath slate or tile roofing. Felt roofing also known as tar paper is traditionally installed using hot bitumen to create a secure bond between the roof and the felt. 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.

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 roofing felt is one of the more popular and traditional methods of creating a flat roof. Built up roofing bur was the most common type of flat roof before modified bitumen and membrane roofing were developed. Step 1 prep work.

Roll the felt so that it overhangs the edge by 2 inches. Alternating layers of roofing felt usually fiberglass and hot applied asphalt. 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.