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