Synthetic Roofing Felt
While felt is weighed by pounds per roofing square 100 square feet synthetics are rated by grams per square meter gsm.
Synthetic roofing felt. Weighs 7 5 to 12 5 pounds per roofing square 30 felt. Its specially designed surface combines enhanced walk ability with a cooler working surface versus black asphalt felts. Felt underlayment 15 felt. After a long time of felt underlayment being the primary choice for roof underlayment in the u s synthetic underlayment entered the market in the late 20th century.
This new underlayment is lighter and stronger than its predecessor. What is synthetic underlayment. Item 656632 model 0903000. Synthetic underlayment was developed as a felt replacement.
Competitively priced with typical 15 and 30 asphalt felts gaf feltbuster high traction synthetic roofing felt is virtually untearable and will not absorb moisture helping to prevent wrinkling. Anywhere from 40 100 grams per square meter. United roofing gator skin synthetic roof underlayment 42 in x 285 8 ft 1 000 sq ft synthetic roof underlayment. Synthetic underlayment is composed of a polymer combined with polyethylene or a polypropylene.
By weaving together polypropylene and polymer a water resistant and vapor resistant underlayment was created. As of publication you can purchase a 72 foot roll of 30 pound roofing felt for around 15. It combines a durable and high strength design with a fiber grip walking surface. A 66 foot roll of synthetic underlayment will set you back about 86.
It was easy to use durable and even had alignment lines to help with the shingle installation. Felt paper also referred to as tar paper was the standard underlayment material in roofing for decades. Compared to felt synthetic roofing underlayment is. Synthetic underlayment started gaining popularity in the last decade.
Rhinoroof u20 is a highly engineered coated woven synthetic roofing underlayment. Since it has become one of the leading underlayment products on the market. Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment. Synthetic roof underlayment is extremely durable.
Weighs 16 to 27 pounds per roofing square.