How Far Apart Should Roofing Nails Be

In all use four nails per 3 tab shingle.

How far apart should roofing nails be.

Defer putting drip edge on angled gable ends until after the felt is laid so the. Nails of the proper length should penetrate three fourths of an inch into the roof. In this example the section of roof is 20 feet wide and 14 feet from the fascia to the peak. The purpose of the purlins is to provide a solid foundation for the metal roofing panels and trim to be screwed to.

Place nails in the three tab shingles about 3 4 inch 1 8 centimeters above the cutouts near where the tab meets the upper part of the shingle. If all the siding is tight it was installed wrong and should be redone. This translates to seven rows of strips 20 feet long spaced two feet apart or 140 lineal feet of. A structure s roof truss spacing can vary from every 12 to 24 inches.

The installation of the shingles will go much smoother if the initial installation of the asphalt roll roofing is done properly. However make sure that you do not nail into the tar strip. Nails should have a minimum nominal shank diameter of 11 or 12 gauge and a minimum head diameter of three eighths of an inch. If only a few pieces are tight and you can t find the contractor who installed it buy an unlocking zip tool and unfasten the section above exposing the nails photos 2 and 3.

Purlins are non pressure treated 1 x 4 x 12 lumber that is installed on to the roof in a specific layout pattern and screw pattern. Roofing nail should have a barbed shank until the head which eliminates nail pops blow offs and roof leaks. Boards used for sheathing range from those with a 4 inch face to 48 inch long plywood sheets. When you apply asphalt roll roofing it helps to get the nail spacing correct.

Fasten drip edge on eaves with galvanized nails and a hammer about 12 inches apart before laying roof felt. On jan 09 2011. A roofing nail should have a minimum nominal shank diameter of 12 gauge 2 67 mm and a minimum head diameter of 9 5 mm. Written by doityourself staff.

Find the tight nails and cut them photo 4. Planning and executing a good roofing job requires knowledge of every aspect of the job. The number of nails needed for a roof varies on multiple factors such as board face width length and roof truss spacing. 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.

There are different kinds of roofing nails made of different materials and in various sizes.