Use a utility knife to trim all excess paper on the last pass.
How to felt paper a roof valley.
I swear it is the fastest way out there.
Use a broad strip of felt paper.
This is how i paper my vallies.
Tips for applying felt paper to roof valleys.
Snap chalklines on both sides for guides.
No matter which valley method you use for extra protection apply wsu at a valley.
Cut a slit from the side of a paper roll to accommodate vent pipes.
Take a close look at how i paper the 30 in the center of the valley.
Roll out and smooth the wsu and drive a few nails on one side to hold it temporarily.
Fold over the other side and peel off the paper backing.
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 a roof s fire rating and helps keep your house dry if it rains during the job.
It s best to wear gloves and protective eyewear for safety purposes.
Trim the felt paper at top and bottom.
Adjust the bottom of the felt if necessary to keep it flush with the gutter apron.
As you work the paper can be tacked down in the center so it won t blow away.
Step 4 continue rolling out the felt until you reach the roof hip on the other end.
Start the roof felt at one bottom corner of the roof.
Then i run a r.
Insert staples with a hammer stapler 12 inches apart along the top and bottom edges of the felt paper as you roll it out along the roof.
Start at the bottom of the roofline and work up so any water that gets through the roofing material will shed down the tar paper and will not go under it.
Run the felt paper over the peak and overlap it onto the other side.
Tack it in place at the corner with the end flush with the end of the roof and the bottom edge of the roll right along the bottom of the roof.
If the roof has a valley apply membrane to the valley before the rest of the roof.
Do the same when you reach the peak from the other side of the roof.
You can apply it in numerous overlapping short strips working from the bottom edge to the top or apply one.
Felt paper should extend at least 10 inches up each side of the roof valley so use a strip between 20 and 24.