How To Nail Roofing Felt
You will need 1 10 gallon of lap not mastic cement for every roll and 2 pounds of roofing nails for every square.
How to nail roofing felt. Using your staple gun secure the felt to the roof. Cleaning and preparing your roof 1. Roll out about 10 feet of felt and fasten with staples or roofing nails with plastic washer heads. Use 1 inch nails for new roofing.
The roofing felt should be applied in layers that overlap. Remove old felt from the roof with your hands and a putty knife. Nail the drip edge in place. Dry the roof surface.
Roll the felt so that it overhangs the edge by 2 inches. An underlayment of felt roofing is optional. 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. Roll your felt out on the roof and cut it to fit with a utility knife.
Overlap each row at least 3 to 4 inches. Clean the roof decking of any debris protruding nails or other objects. In roofing one square equals 100 square feet. Install new flashing metal flashing is often called drip edge along the bottom of the roof near your gutters.
They are long enough to penetrate the sheathing. Grab loose pieces of felt and pull them off the roof. Gently scrub the roof using a bristle. Let it stand for about 30 minutes and then using galvanized nails and your hammer nail down the first layer.
Install drip edge flashings roofing felt and wsu if needed. Use a construction stapler or a hammer. Put fasteners at least every 8 inches. If you live in an area with inclement weather you should consider using a special ice and water protector.
For the lower portion of the roof especially the part that overhangs the eaves and is susceptible to ice dams it is a good idea to apply self stick waterproof shingle underlayment wsu also called ice guard. Some roofers prefer to attach felt underlayment with 1 inch roofing nails or special nails with plastic washers but most codes allow staples which are easier to drive.