Nails Backing Out Of Roof

Gun nails have a couple ridges in them from the wire collation.

Nails backing out of roof.

Nail is backing out of decking and pushing through the shingle causing a penetration point for moisture. If it is just in the area of the the spar you showed us then it might be further evidence of past damage. A gun nailed roof properly installed is a better roof than a hand nailed roof. This leaves small holes that water can easily penetrate and leave your shingles unstable.

That keeps the gun nails from backing out of the wood. If you have a friend in the attic ask him to direct you to a sturdy spot where the nail can bite into the wood. Dan thomas well known member. Nothing keeps hand nails from backing out.

Usually the cause is the nail falling in a crack such as sheathing joints or probably in your case cracks between the rake trim and roof if you have old t locks that were face nailed to hold the ends down they always work out it would be easy to peel a shingle back on the edge to see if this is the problem. It is vitally important that roofing nails of the correct length were used to secure the shingles. Apart from roofing shingles roofing nails can sometimes back out. Roofing nails backing out.

Also is that the only place you have an issue with nails backing out or are they backing out all over. Such little holes are typically unnoticeable to an untrained eye however a good roofing inspector is trained to see the signs of nails backing out. But what is difficult is keeping the slick sided hand nails from backing out of the roof decking.