How To Lay Tar Paper On Roof

Roofing felt prevents the deck from being exposed to the elements before or while the shingles are being applied.

How to lay tar paper on roof.

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. Chalk lines should be snapped 33 5 8 above the eave line. It is required to block any rain. Staple it to the plywood with a staple gun placing the staples at 6 to 8 inch intervals along the edges and in the middle of the paper.

Before laying roof felt all rotten decking must be replaced. It is used for temporary roofing for weatherproofing and as an underlayment under shingles or other permanent roofing materials. 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.

This is a fabric impregnated with asphalt to form a moisture barrier. It must be covered with waterproofing membrane usually roof felt also called tar paper. This video contains the. How to install roofing tar paper.

Whatever your reason for attaching roof felt you should only do it after cutting your pieces to. Unroll the paper on the roof and cut it to the correct length with a utility knife. Place a final piece of tar paper over the top of the roof attaching it so it overlaps the tar paper on both sides of the roof. Drip edges on the eaves any valley liners and all flashing should be installed before the tar paper is laid.

The idea is to make sure water that falls on the roof drips down from paper to paper and off the roof rather than up under the tar paper potentially damaging the roof s wooden structure.