If you do glue the wood with construction adhesive.
Nails too long for roof.
Theyre only too long if you dont like them.
You can just paint over them and live with the result or fill in the areas with wood covering the tips.
Manufacturer specification and common sense dictate the nails penetrate the roof deck whenver possible.
Why would you inset your head between the rafters anyways.
I have giant nails in our roof too but i ve just opted to ignore them.
A structure s roof truss spacing can vary from every 12 to 24 inches.
Standard roofing nails should not be long or thick enough to split or crack structurally sound dimensional lumber.
The more common roof thickness is 3 4 inch decking.
I d say who the hell uses 3 nails on a roof but then the previous owners used 16d nails as hangars everywhere.
When installing asphalt shingles on felt only to any grade decking you should use 1 inch long roofing nails.
It has to be this way be careful.
It s not that he used too long nails standard sizes.
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.
Don t use nails or you will poke through the roof.
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 this is what happened then you may have a problem unrelated to the quality of the roofing job.
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.
Looking at a 2005 tile roof installation manual it looks like the minimum penetration of a roofing nail into roof sheathing was 3 4.
Your home is over 50 years old in a warm wet climate so you should inspect for a number of different problems.
It s that the roof sheathing is not thick enough for the nails.