How To Lay Roofing Paper

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.

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. The most common size width for rolls of roofing paper is 36 inches. The felt provides a layer of additional weather protection between the roofing finishing material shingles tiles and the roof decking. It is used for temporary roofing for weatherproofing and as an underlayment under shingles or other permanent roofing materials.

This video contains the. Felt doesn t tear as easily so it s safer to walk on when you re working on steeper pitches. What is roofing paper or felt. Most roofing suppliers carry 15 lb.

How to install roofing tar paper. Roof felt also known as tar paper is a waterproof fiberglass product. Drip edges on the eaves any valley liners and all flashing should be installed before the tar paper is laid. The black rolls of roof paper or felt are made with asphalt and are normally available in rolls.

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 if you plan to leave the paper exposed for more than a couple of days because it wrinkles less then 15 lb. Felt works just fine. Before laying roof felt all rotten decking must be replaced.

Whatever your reason for attaching roof felt you should only do it after cutting your pieces to. 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.