Single Layer Roofing Felt

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.

Single layer roofing felt.

On roofs with a slope of 4 12 or greater use a single layer of 15 lb. Double layer or double coverage roofing underlayment are defined here. Roofing experts have discovered that adding a layer of protection between your structural roof decking the layer of wood that covers your rafters and your roof shingles helps create a better looking and longer lasting roof. Roofing felt underlayment layers.

Five best practices reasons for using roofing felt underlayment. Why use roofing felt paper. Single ply roofing is priced per square foot and an average price for materials and installation of a 60 mil roof may range from 3 to 5 per square foot. Firstly these membranes generally share some desirable traits.

Asphalt saturated felt starting at the eaves and lapping upper courses over lower by a minimum of 2 inches. On 4 12 or greater slopes the balance of the roof shall be one layer of 15 felt. This can include epdm rubber and fibreglass pvc tpo tpe and pib. The cost associated with the material and installation can vary widely depending on roof conditions the attachment used and the type of membrane being installed.

What is a single ply membrane. Able to meet highly challenging design briefs single layer roofing systems deliver excellent thermal insulation and airtight construction thereby reducing a. Single layer roofing membranes single layer bitumen roofing membranes deliver high performing lightweight flexible roofing systems which are also easier safer and quicker to install.