However most manufactures claim that either method is a viable option.
Hand nail vs gun nail roofing.
When you use a gun usually a third or under driven a third or over driven and a third or correct.
Some roofers think that using a nail gun delivers the same level of precision as hand nailing.
Hand nailing shingles is better than using a nail gun or a pneumatic nailer because it allows the roofers to feel the nail placement and ensure optimal installation.
If this is the case hand nailing should be preferred over the use of a nail gun.
But it s important for these roofers to always test their tools before using them.
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A hand nailed roof trump s a gun nailed roof any day.
As far as it taking longer.
Hand nailing can be fast but the same man at the same skill level doing the same job will perform faster using a gun and compressor.
Over or under pressurized nail guns can result in nails that are either driven too hard or not driven deeply enough.
Taking into consideration the same size nail is used.
Hand nailed roofs most nails come out during tear off.
Hand nail installers are quick to feel a nail miss the wood sheathing while nail gun operators have to rely on sounds and intuition.
A good contractor will inspect the roof sheathing after it is removed to determine if nail misses are likely to occur.
I have also torn off both hand nailed roofs and gun nailed roofs.
I have roofing crews that can hand nail just as fast as a gun.
A hand nailed roof is hands down a better roof than using a nail gun.