Rating System For Felt Roofing Paper

When a roof system is evaluated for a fire rating the choice of roof underlayment is an important component for the entire roof system achieving a particular target rating.

Rating system for felt roofing paper.

Be sure to select the underlayment approved and compatible with the overlying roofing materials and therefore comply with building codes. If a roof underlayment comes with proper uv exposure ratings then that s going to be a decent option. Felt paper also referred to as tar paper was the standard underlayment material in roofing for decades. This feature can allow any professional to complete the work without any hiccups.

Roofing felt may be necessary for use with your shingles to meet a class a fire rating when shingles are evaluated for their fire ratings it is done on a small test deck with the roofing felt underlayment in place without this underlayment the shingles alone may not meet the class a fire requirements. The best weight for roofing felt is the 30 pound product because it provides thicker and. Asphalt saturated heavy duty roofing felt is available in 15 and 30 pound weights. It was easy to use durable and even had alignment lines to help with the shingle installation.

Therefore it s tear resistant and very easy to carry up onto the roof top. Lighter than felt synthetic underlayment is just as easy to work with. When you compare the typar to traditional 30 felt roofing paper you can quickly see the advantages to using it. On a different note the anti skid feature is a major consideration.