Roof Underlayment Nailing Pattern

Wear safety glasses when nailing the plywood to protect your eyes from any debris.

Roof underlayment nailing pattern.

Put each nail about 4 inches apart along the edges and 6 inches apart across the remainder of the plywood. Fasten drip edge on eaves with galvanized nails and a hammer about 12 inches. For example inch underlayment. Shingles six roofing nails or staples per shingle.

Check the nailing surface is level. 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. Two layers of felt underlayment. Pick up packs of 3d ring shank nails.

Nail metal drip edge flashing which bends over the roof and down the edge of the facing board on all roof edges. Always check for a level nailing surface. 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.

One layer of felt underlayment all other regions. Position the nails appropriately according to the shingle installation instructions. Align shingles properly to avoid nail exposure. Properly fasten panels including fastening and spacing hints step 4.

Each row of nails that are 24 on center should be approximately 12 from the outside edge of the roll. Try to create a random pattern with the nails so they will not appear in a regular pattern through the flooring. 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.

Roofhelp has two ways of nailing the felt one for high wind regions and one for all other regions. Tab shingles need two nails on each side of the tab. One layer of felt underlayment high wind regions. These are 1 5 inches long plenty long to drive through that over sized over thick underlayment.

Install shingles according to manufacturer recommendations step 1. 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. 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. If you so happen to have thicker underlayment 3 4 inch or more then use 4d ring shank nails.

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.