Index Roofing Felt

Double layer or double coverage roofing underlayment are defined here.

Index roofing felt. Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment. Hi dan a couple of roofing questions. Roofing felt is comprised of a base made from natural materials such as wood cellulose or synthetic ones such as fiberglass or polyester and then coated or saturated with a protective coating such as bitumen asphalt which repels water but still allows the product to breathe. Roofing felt installation details omitted felt felt specifications for various roof pitches or slopes reader questions on roofing felt installation specifics june 28 2014 anonymous said.

At roofing superstore our choice of flat roof materials includes everything you need to create a long lasting weather proof flat roof that performs and looks good too. It is typically used as an underlay that sits between the surface it is being applied to and the final layer of roofing material. The average minimum cost per square foot of roofing felt is 39. Roofing felt can however be applied as a final layer to a shed roof to offer further waterproofness.

Roofing felt underlayment layers. Detail drawings of good roofing practice are available on request. In addition to the cost of the roofing felt labor costs for installing the roofing felt average 55 20 per hour when the felt is installed by a professional roofer additional supplies and tools for roofing felt installation add another 10 per square. Roofing felt is most commonly used for the waterproofing of non habitable garden buildings such as cabins or sheds.

We explain when double coverage of felt underlayment is recommended and we describe how to figure out if your roofer installed a single layer or double coverage layer or maybe no layer of felt under the roof shingles. Item 656632 model 0903000. The average maximum cost per square foot of roofing felt is 58. Builders argue its not a problem.