Before laying roof felt all rotten decking must be replaced.
Pitched roof tar paper.
It also offers fire resistance required for home construction.
Begin your first row of tar paper with the bottom of the tar paper slightly hanging over the edge of the roof.
Drip edges on the eaves any valley liners and all flashing should be installed before the tar paper is laid.
In order to know the appropriate amount of roofing felt to use the roof pitch will need to be calculated first.
Roofing felt also known as tar paper provides a protective underlayment over the roof deck and beneath the shingles.
Roll out the tar paper along the bottom edge of the roof.
Cut it to fit your roof if.
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.
It provides extra waterproofing to protect the wood until shingles are installed.