Nails Too Long For Roof

Looking at a 2005 tile roof installation manual it looks like the minimum penetration of a roofing nail into roof sheathing was 3 4.

Nails too long for roof.

If you do glue the wood with construction adhesive. Boards used for sheathing range from those with a 4 inch face to 48 inch long plywood sheets. It has to be this way be careful. If this is what happened then you may have a problem unrelated to the quality of the roofing job.

You can just paint over them and live with the result or fill in the areas with wood covering the tips. Don t use nails or you will poke through the roof. As far as dangerous the old nails were also through the roof deck i am sure. The number of nails needed for a roof varies on multiple factors such as board face width length and roof truss spacing.

Your home is over 50 years old in a warm wet climate so you should inspect for a number of different problems. When installing asphalt shingles on felt only to any grade decking you should use 1 inch long roofing nails. 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. Why would you inset your head between the rafters anyways.

It s not that he used too long nails standard sizes. 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. Each of these factors plays a role in determining how many nails you ll need to use per board during roof sheathing application. I d say who the hell uses 3 nails on a roof but then the previous owners used 16d nails as hangars everywhere.

The more common roof thickness is 3 4 inch decking. I have giant nails in our roof too but i ve just opted to ignore them. Theyre only too long if you dont like them. Manufacturer specification and common sense dictate the nails penetrate the roof deck whenver possible.

It s that the roof sheathing is not thick enough for the nails.