How Long Nails New Roof

Before installing a second layer of shingles over a first layer the roofer should examine the old roof sweep away all debris and countersink any nails that might be sticking up.

How long nails new roof.

Using the correct size of roofing nail will ensure that your roof stays intact for many years to come and can help you avoid the common problem of roofing nails that extract themselves over time and cause you to lose shingles. 3 degree electro galvanized steel roofing nails 5 lb pack for applying roofing asphalt shingles insulation board and felt to wood substrates. Nails of the proper length should penetrate three fourths of an inch into the roof. Always install flashing around a chimney and other valleys where two roof planes meet as these areas are more prone to leaks if not protected.

The one to two inch roofing nails are suitable for most types of roof. If you need bigger nails including pikes you may need to place a special order at the hardware store. The lifting force generated by high winds over a roof can pull 3 4 nails out and peel off large sections of roofing they used 1 1 4 or longer to ensure penetration through all the shingle layers underlayment and deep enough into the sheeting to hold up to this abuse. Install new flashing metal flashing is often called drip edge along the bottom of the roof near your gutters.

Nails that are longer than six inches are called pikes and they are seldom used on roofs. Nails should have a minimum nominal shank diameter of 11 or 12 gauge and a minimum head diameter of three eighths of an inch. Planning and executing a good roofing job requires knowledge of every aspect of the job. The length of each nail must be a minimum of 1 inches long and for roof overs atlas recommends a nail length of at least 2 inches.

The most commonly used roofing nails range from one to two inches in length. 3 use the grip rite 11 x 1 1 4 in. Roofing nails roofing nail sizes sheathing 3d box 4d box 5d box 6d box what size roofing nails composition shingles wood shakes wood shingles.