How Do You Install Roofing Paper

Roll roofing is often installed over bare wood sheathing or sheathing that has been painted with a primer.

How do you install 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. Felt paper also called tar paper or builder s paper helps shed water that gets under the shingles protects the asphalt shingles from the resins in the wood decking increases. It should hang freely over the edge. This overhang will ensure water will not enter underneath the paper getting trapped on top of the wood roof planks.

Applying roofing felt first will better protect the sheathing against condensation as well as against leaking. How to install roofing felt. It can help prevent the picture framing effect or the pattern of your wood decking telegraphing through your shingles by providing an extra layer on top of uneven wood. If your roof contains any vents or flashing place a small piece of tar paper above each one overlapping the top edge of the vent to prevent water from running down and into the roof.

To install roll roofing you ll need to cut the material into long strips of the correct length for your roof and lay it flat. It also helps if you first install a layer of roofing felt. How to install roofing tar paper. Do the same when you reach the peak from the other side of the roof.

For extra durability you may install roll roofing in two layers. If you install roll roofing using the double coverage method it will last longer. But as with so many other projects the key lies in the prep work. If you take the time to properly prepare the roof then laying the felt will be easy.

Once you understand what it does and you know which one you need you are ready to lay the underlayment for your roof. The strips should always be horizontal. Allow for a inch overhang of paper down each side of the roof when unrolling the paper. When you install the paper on the roof forming the other side of the valley lay the ends so that they overlap the paper already there by about a foot and again cut the ends parallel to the valley.

Step 3 overhang paper. 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. If you run out of a piece of tar paper halfway across a strip you re laying cut a new piece and overlap the old one by five inches continuing across the roof. Before you install the underlayment fasten the drip edge that covers the fascia on the eaves.

Step 5 secure ends.