In order to know the appropriate amount of roofing felt to use the roof pitch will need to be calculated first.
Pitched roof tar paper.
Roofing felt also known as tar paper is a roll of felt coverage is often used when constructing a roof.
Chalk lines should be snapped 33 5 8 above the eave line.
Roofing felt also known as tar paper provides a protective underlayment over the roof deck and beneath the shingles.
Drip edges on the eaves any valley liners and all flashing should be installed before the tar paper is laid.
It provides extra waterproofing to protect the wood until shingles are installed.
It also offers fire resistance required for home construction.
Sometimes called roofing felt underlayment roofing tar paper or roll roofing this is a layer of protection installed between the roof deck and the roofing shingles.
Before laying roof felt all rotten decking must be replaced.
After this lines should be snapped every 34 as you move up the roof.