The purpose of the shingle underlayment is to provide an additional moisture resistant layer to back up your roof shingles.
Roofing felt lines assist shingles.
The roofing felt should be applied in layers that overlap.
Repeat this on both sides of the roof.
Chalk lines should be snapped 33 5 8 above the eave line.
Use the chalk line to snap a straight line vertically every 6 inches.
Item 656632 model 0903000.
Roll out the felt eliminating creases or bubbles and drive at least three staples every foot.
Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment.
Roofing felt is a layer of tar paper installed beneath the shingles to provide a backup waterproof membrane in case of leakage.
After this lines should be snapped every 34 as you move up the roof.
Browse owens corning roofing shingles by color shingle lines price features wind resistance and or warranty to find the right roof for your home.
Overlap felt courses at least 4 inches.
Snap a chalkline 32 inches above the top edge of the wsu or use the lines on the felt as guides.
Known in the trade as vertical racking or staggering this how to lay shingles method enables the roofer to install a single column of shingles all the way to the peak without the wasted back and forth motion necessary to fill several rows of stair steps.
Many pros shingle in a vertical line up the roof because it s much faster.
Pro tip this type of underlayment is considered self healing meaning it will seal around the fasteners to remain waterproof.
Use your chalk and tape measure to mark about 12 inches up on the roof for the first set of shingles.
Get automatic lifetime protection on your entire gaf roofing system when you install any gaf lifetime shingle and at least 3 qualifying gaf accessories you ll automatically get a lifetime limited warranty on your shingles and all qualifying gaf accessories.
The ms300 and felt paper was secured using staplers and when the shingles go on the roofing nails will hold it place too.
Felt otherwise known as underpayment is required when.
Have a helper ready to assist with this step and take care to get the lines straight and clean.