But what some may not know is there s another layer of protection directly on top of the roof deck and under the roof covering that performs a critical role in protecting your home from moisture damage.
Other uses for roofing felt.
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.
Is roofing felt required.
And one of them is their 30rf standard roofing felt which has a few distinct features up its sleeve.
Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment.
Later asphalt was used in the manufacture of roofing felt.
Also known as tar paper roofing felt originated in finland in the 1870 s as a waterproofing underlayment for roofs.
Item 656632 model 0903000.
The makers at orgill roofing felt have a few solid options for the homeowners out there.
The primary use 70 of asphalt is in road construction where it is used as the glue or binder mixed with aggregate particles to create asphalt concrete.
For starters it s a bit on the thicker side.
This article series discusses roofing felt specifically addressing the roofing code or roofing manufacturer s requirements for use of an underlayment such as roofing felt tarpaper or other underlayment products beneath asphalt shingles and other.
Today glass fiber or polyester fabric may be used instead of paper.
Roofing underlayment roofing felt requirements.
Generally speaking roofing felt is a felt paper that is soaked in asphalt and other water resistant compounds to produce a membrane.
What weight roofing felt is best.
To be safe do not use it around food producing plants like vegetable gardens or fruit orchards.
Tar paper does not pose any environmental concerns when used for its intended purpose under shingles on a roof.
When most people think of roofs they typically think of shingles or metal roofing.
Felt is commonly sold in either 15 or 30 rolls measuring 36 inches wide.
First paper was impregnated with coal tar.
Its other main uses are for bituminous waterproofing products including production of roofing felt and for sealing flat roofs.
But it is made with tar or asphalt which is at the bottom of the barrel in the petroleum refinement process.