After this lines should be snapped every 34 as you move up the roof.
Roofing felt lines assist shingles.
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Repeat this on both sides of the roof.
Use your chalk and tape measure to mark about 12 inches up on the roof for the first set of shingles.
Felt otherwise known as underpayment is required when.
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.
Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment.
Snap a chalkline 32 inches above the top edge of the wsu or use the lines on the felt as guides.
If you use the lines as guides for installing shingles measure up from the drip edge to confirm that you stay parallel.
The ms300 and felt paper was secured using staplers and when the shingles go on the roofing nails will hold it place too.
Every 5 inches make a new mark until you get to the rop of the roof.
Item 656632 model 0903000.
The purpose of the shingle underlayment is to provide an additional moisture resistant layer to back up your roof shingles.
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The roofing felt should be applied in layers that overlap.
Pro tip this type of underlayment is considered self healing meaning it will seal around the fasteners to remain waterproof.
Have a helper ready to assist with this step and take care to get the lines straight and clean.
Chalk lines should be snapped 33 5 8 above the eave line.
Roofing felt is a layer of tar paper installed beneath the shingles to provide a backup waterproof membrane in case of leakage.
Many pros shingle in a vertical line up the roof because it s much faster.
Roll out the felt eliminating creases or bubbles and drive at least three staples every foot.
