Nails Backing Out Of Roof

Hammer a new nail into the roof about 1 inch above the hole from the previous nail.

Nails backing out of roof.

Gun nails have a couple ridges in them from the wire collation. 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. This leaves small holes that water can easily penetrate and leave your shingles unstable. It is vitally important that roofing nails of the correct length were used to secure the shingles.

Nothing keeps hand nails from backing out. Joined sep 17 2008. Roofing nails backing out. Dan thomas well known member.

But what is difficult is keeping the slick sided hand nails from backing out of the roof decking. There are all sorts of reasons why nails back out of seemingly solid wood but perhaps the most common reason is that the nail did not get a good bite into the wood when it was first driven. 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. A gun nailed roof properly installed is a better roof than a hand nailed roof.

Also is that the only place you have an issue with nails backing out or are they backing out all over. Apart from roofing shingles roofing nails can sometimes back out. If it is just in the area of the the spar you showed us then it might be further evidence of past damage.