Item 656632 model 0903000.
Roofing felt hjow to.
If the felt.
There are several disadvantages to using felt underlayment on a roof.
Attaching your roof felt 1.
Ideally the roof should be done when there is a forecast for several days without a lot.
Most roofing suppliers carry 15 lb.
If you already have felt on the roof remove it along with any excess nails.
Tack the felt onto the initial rolling spot using a tack gun.
Continue pulling the felt tight.
It also offers fire resistance required for home construction.
If you get to the end of a roll and need to begin a new roll make sure the edge of your new roll overlaps the edge of the old roll around 4 inches.
Roofing felt may be necessary for use with your shingles to meet a class a fire rating when shingles are evaluated for their fire ratings it is done on a small test deck with the roofing felt underlayment in place without this underlayment the shingles alone may not meet the class a fire requirements.
How to install roofing felt prep work.
Start at the bottom of the roofline and work.
Felt works just fine.
Roll the new felt out on the roof and allow it to stay on the roof for about 30 minutes.
Felt if you plan to leave the paper exposed for more than a couple of days because it wrinkles less then 15 lb.
The roofing felt should be applied in layers that overlap.
Roofing felt that has gotten wet can be covered with shingles as long as it is allowed to dry out first the surface underneath did not get wet and it did not wrinkle bubble or rip.
Return to the side that you began rolling from and.
Start rolling the first layer of felt out from the bottom of one side of the roof.
Step 2 placing the felt.
Begin at the bottom right or.
Felt doesn t tear as easily so it s safer to walk on when you re working on steeper pitches.
Roofing felt also known as tar paper provides a protective underlayment over the roof deck and beneath the shingles.
The main advantage of using felt roofing underlayment is cost.
For most applications 15 lb.
As you install your first layer of roofing felt make sure it hangs over your eave by about 6 inches.
Ensure the felt remains even and straight as you work.
Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment.
Using galvanised clout nails nail down the first layer of felt.
One disadvantage of traditional felt roofing underlayment is it generally can t be left exposed for more than a few hours.
