For many years roofers used asphalt saturated felt under roofing shingles and it was historically available in two standard weights.
15 lb roofing felt roll.
One roofing square and 30 lb felt paper weighed 30 pounds per square.
This gardner asphalt 15 432 sq.
Whereas rolled felt paper 15 is water proof it is not uv resistant nor wind resistant.
The difference between 15 lb and 30 lb roofing felt paper.
15 asphalt felt roofing underlayment provides an extra layer of protection between your shingles and your roof deck.
Item 656632 model 0903000.
Width and a 144 ft.
Lays flatter heavy duty design minimizes the wrinkling that can occur with cheaper felts.
Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment.
The top layer of shingles protect the roofing felt.
Of coverage for residential and commercial roofing projects.
Look for a low cost shingle roof material.
The best weight for roofing felt is the 30 pound product because it provides thicker and.
Unrolled length that combine to provide over 430 sq.
Better protection superior asphalt saturation means improved waterproofing.
Item 10306 model fgur35.
Asphalt saturated heavy duty roofing felt is available in 15 and 30 pound weights.
Felt has a 36 in.
Roofing calculator before laying down the roof pitch the space it will cover otherwise known as the roofing square needs to be measured.
36 in x 144 ft 432 sq ft felt roof underlayment.
Historically roofing felt paper was named for weight.
Felt paper is commonly produced with a certain number of recycled products and coated with asphalt.
This underlayment features excellent asphalt saturation for effective waterproofing.
Roofing felt is rated based on the weight of a 100 square foot section with 15 and 30 pound felt being the most common.
Organic dry felt is made from 100 post consumer recycled material.
Perhaps 3 tab or rolled shingle.
15 astm 4869 type i is an authentic 15 astm 4869 type i is an authentic asphalt saturated organic felt underlayment is used as a breathable secondary weather resistant barrier when applied over the roof deck prior to the installation of the primary roofing product.
The 15 pound was for lighter weight projects while the 30 offered more heavy duty protection.