Cut it to fit your roof if.
Pitched roof tar paper.
Before laying roof felt all rotten decking must be replaced.
After this lines should be snapped every 34 as you move up the roof.
Chalk lines should be snapped 33 5 8 above the eave line.
Begin your first row of tar paper with the bottom of the tar paper slightly hanging over the edge of the roof.
It also offers fire resistance required for home construction.
Drip edges on the eaves any valley liners and all flashing should be installed before the tar paper is laid.
Roofing felt also known as tar paper is a roll of felt coverage is often used when constructing a roof.
It provides extra waterproofing to protect the wood until shingles are installed.
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.