Nails Too Long For Roof

The more common roof thickness is 3 4 inch decking.

Nails too long for roof.

You can just paint over them and live with the result or fill in the areas with wood covering the tips. Fasteners for asphalt shingles shall be galvanized steel stainless steel aluminum or copper roofing nails minimum 12 gage 0 105 inch 2 67 mm shank with a minimum 3 8 inch 9 5 mm diameter head astm f 1667 of a length to penetrate through the roofing materials and a minimum of 3 4 inch 19 1. I d say who the hell uses 3 nails on a roof but then the previous owners used 16d nails as hangars everywhere. It s that the roof sheathing is not thick enough for the nails.

It has to be this way be careful. So if i assume 1 2 osb sheathing i should be able to cut the nails off with 1 4 still sticking through the sheathing into the attic. The number of nails needed for a roof varies on multiple factors such as board face width length and roof truss spacing. A structure s roof truss spacing can vary from every 12 to 24 inches.

Manufacturer specification and common sense dictate the nails penetrate the roof deck whenver possible. Standard roofing nails should not be long or thick enough to split or crack structurally sound dimensional lumber. Why would you inset your head between the rafters anyways. If this is what happened then you may have a problem unrelated to the quality of the roofing job.

When installing asphalt shingles on felt only to any grade decking you should use 1 inch long roofing nails. Looking at a 2005 tile roof installation manual it looks like the minimum penetration of a roofing nail into roof sheathing was 3 4. Each of these factors plays a role in determining how many nails you ll need to use per board during roof sheathing application. It s not that he used too long nails standard sizes.

Roofing nails should be long enough to penetrate the roofing material and go 19 mm into osb solid wood plywood or non veneer wood decking or through thickness of decking whichever is less. If you do glue the wood with construction adhesive. Theyre only too long if you dont like them. Boards used for sheathing range from those with a 4 inch face to 48 inch long plywood sheets.

Don t use nails or you will poke through the roof.