Roof Underlayment Nailing Pattern

Put each nail about 4 inches apart along the edges and 6 inches apart across the remainder of the plywood.

Roof underlayment nailing pattern.

Align shingles properly to avoid nail exposure. Wear safety glasses when nailing the plywood to protect your eyes from any debris. One layer of felt underlayment all other regions. Tab shingles need two nails on each side of the tab.

Fasten drip edge on eaves with galvanized nails and a hammer about 12 inches. Cover sheathing with shingle underlayment felt. These are 1 5 inches long plenty long to drive through that over sized over thick underlayment. 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.

Try to create a random pattern with the nails so they will not appear in a regular pattern through the flooring. Nail metal drip edge flashing which bends over the roof and down the edge of the facing board on all roof edges. Shingles six roofing nails or staples per shingle. If you often experience winds of 50 mph or more you should seriously consider the high wind method of nailing.

For duration series shingles owens corning recommends using either a 4 or 6 nail fastening pattern depending on the roof s slope and building code requirements. Each row of nails that are 24 on center should be approximately 12 from the outside edge of the roll. Pick up packs of 3d ring shank nails. Position the nails appropriately according to the shingle installation instructions.

One layer of felt underlayment high wind regions. Always check for a level nailing surface. These are 1 25 inches long and can be used for underlayment that ranges up to 1 2 thick. In most cases 4 nails are adequate.

Check the nailing surface is level. Properly fasten panels including fastening and spacing hints step 4. Install shingles according to manufacturer recommendations step 1. Roofhelp has two ways of nailing the felt one for high wind regions and one for all other regions.

The nailing schedule will vary with the thickness of the underlayment so refer to an underlayment nailing schedule chart to get the right schedule for your job. Ventilate the roof according to current building codes. Roof and wall sheathing 8 10d every 4 6 on the seams and 8 12 in the field. Two layers of felt underlayment.

Drywall ceiling boards require 1 drywall screws every 6 8 while wall boards require drywall screws every 6 8 on the seams and 10 12 in the field.