After this lines should be snapped every 34 as you move up the roof.
Roofing felt lines assist shingles.
Felt otherwise known as underpayment is required when.
The ms300 and felt paper was secured using staplers and when the shingles go on the roofing nails will hold it place too.
The roofing felt should be applied in layers that overlap.
Repeat this on both sides of the roof.
For many years felt paper served as the leading type of shingle underlayment.
The purpose of the shingle underlayment is to provide an additional moisture resistant layer to back up your roof shingles.
Many pros shingle in a vertical line up the roof because it s much faster.
Overlap felt courses at least 4 inches.
Roofing felt is a layer of tar paper installed beneath the shingles to provide a backup waterproof membrane in case of leakage.
Every 5 inches make a new mark until you get to the rop of the roof.
Have a helper ready to assist with this step and take care to get the lines straight and clean.
Use the chalk line to snap a straight line vertically every 6 inches.
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.
Chalk lines should be snapped 33 5 8 above the eave line.
Use your chalk and tape measure to mark about 12 inches up on the roof for the first set of shingles.
Roll out the felt eliminating creases or bubbles and drive at least three staples every foot.
Pro tip this type of underlayment is considered self healing meaning it will seal around the fasteners to remain waterproof.
Snap a chalkline 32 inches above the top edge of the wsu or use the lines on the felt as guides.
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If you use the lines as guides for installing shingles measure up from the drip edge to confirm that you stay parallel.
