A hand nailed roof trump s a gun nailed roof any day.
Hand nail vs gun nail roofing.
A hand nailed roof is hands down a better roof than using a nail gun.
Over or under pressurized nail guns can result in nails that are either driven too hard or not driven deeply enough.
There just are not many shinglers that have the skill level to keep up with a man with a gun.
However most manufactures claim that either method is a viable option.
Some roofers think that using a nail gun delivers the same level of precision as hand nailing.
But it s important for these roofers to always test their tools before using them.
Hand nail installers are quick to feel a nail miss the wood sheathing while nail gun operators have to rely on sounds and intuition.
Nails not places correctly will cause roof failures and this is very common with nail guns.
I have also torn off both hand nailed roofs and gun nailed roofs.
When you use a gun usually a third or under driven a third or over driven and a third or correct.
As far as it taking longer.
Taking into consideration the same size nail is used.
I have roofing crews that can hand nail just as fast as a gun.
Hand nailed roofs most nails come out during tear off.
Click here to view my recommended gear page to see which roofing hammer and tools i believe are the best.
Most times the roofs that have been put on with a nailer all nails stay in the wood when tearing off.
If this is the case hand nailing should be preferred over the use of a nail gun.