How To Lay Roofing Paper

Felt doesn t tear as easily so it s safer to walk on when you re working on steeper pitches.

How to lay roofing paper.

Whether you re building a new house or putting a new roof on your existing house installing tar paper first helps waterproof the roof and prevent leaks. Roof felt also known as tar paper is a waterproof fiberglass product. Felt if you plan to leave the paper exposed for more than a couple of days because it wrinkles less then 15 lb. What is roofing paper or felt.

It is used for temporary roofing for weatherproofing and as an underlayment under shingles or other permanent roofing materials. This video contains the. Chalk lines should be snapped 33 5 8 above the eave line. For most applications 15 lb.

Most roofing suppliers carry 15 lb. 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. 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. Felt works just fine.

The most common size width for rolls of roofing paper is 36 inches. Before laying roof felt all rotten decking must be replaced. 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.

Drip edges on the eaves any valley liners and all flashing should be installed before the tar paper is laid. How to install roofing tar paper.