How Long Nails New Roof

Planning and executing a good roofing job requires knowledge of every aspect of the job.

How long nails new roof.

It s florida you have hurricanes. 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. 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.

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. The most commonly used roofing nails range from one to two inches in length. 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. 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. 3 use the grip rite 11 x 1 1 4 in. Use the grip rite 11 x 1 1 4 in. Nails should have a minimum nominal shank diameter of 11 or 12 gauge and a minimum head diameter of three eighths of an inch.

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. Install new flashing metal flashing is often called drip edge along the bottom of the roof near your gutters. 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.