How To Lay Roofing Paper

Before laying roof felt all rotten decking must be replaced.

How to lay roofing paper.

How to install roofing tar paper. Felt works just fine. 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. 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.

The black rolls of roof paper or felt are made with asphalt and are normally available in rolls. Most roofing suppliers carry 15 lb. For most applications 15 lb. Drip edges on the eaves any valley liners and all flashing should be installed before the tar paper is laid.

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. Felt doesn t tear as easily so it s safer to walk on when you re working on steeper pitches. It is used for temporary roofing for weatherproofing and as an underlayment under shingles or other permanent roofing materials. Felt if you plan to leave the paper exposed for more than a couple of days because it wrinkles less then 15 lb.

Chalk lines should be snapped 33 5 8 above the eave line. What is roofing paper or felt. 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.

Whatever your reason for attaching roof felt you should only do it after cutting your pieces to. Roofing felt prevents the deck from being exposed to the elements before or while the shingles are being applied.