Before laying roof felt all rotten decking must be replaced.
How to lay roofing paper.
The most common size width for rolls of roofing paper is 36 inches.
Felt doesn t tear as easily so it s safer to walk on when you re working on steeper pitches.
Drip edges on the eaves any valley liners and all flashing should be installed before the tar paper is laid.
It improves look and uniformity because your roof deck might not lie perfectly straight or flat a layer of roof paper gives an even uniform surface upon which you can install your shingles.
For most applications 15 lb.
Chalk lines should be snapped 33 5 8 above the eave line.
Roofing felt prevents the deck from being exposed to the elements before or while the shingles are being applied.
Felt if you plan to leave the paper exposed for more than a couple of days because it wrinkles less then 15 lb.
The felt provides a layer of additional weather protection between the roofing finishing material shingles tiles and the roof decking.
Roof felt also known as tar paper is a waterproof fiberglass product.
Before applying roofing you ll need to cover the sheathing with roofing felt also often called tar paper most local codes call for using 30 pound felt.
Most roofing suppliers carry 15 lb.
The black rolls of roof paper or felt are made with asphalt and are normally available in rolls.
Some roofers prefer to attach felt underlayment with 1 inch roofing nails or special nails with plastic washers but most codes allow staples which are easier to drive.
How to install roofing tar paper.
What is roofing paper or felt.
This video contains the.
Felt works just fine.