Mostly because it s better.
Why is a hand nailed roof better.
This causes shingle failure and oftentimes creates a leak point all the way through the roof deck.
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.
Pneumatic hails are struck by a driver blade that is the same size as the nail head.
There are so many things about hand nailing roofing versus air nailing that this will take a bit of listing.
Within the last two decades the roofing industry has shifted its preference toward the roofing nail.
Do not get us wrong the rate of speed and ample production output of a nail gun are simply unbeatable.
They can use feel to determine if the nail is deep enough and in the right location.
This also tears the shingles making them easier to blow off.
A hand nailer can tell better if a nail is high and will give it another hit.
Since hand nailing takes a bit more time they have the chance to correct any mistakes on the spot.
However most manufactures claim that either method is a viable option.
Because it s better faster and less expensive.
An average joe can quickly surpass the fastest roofer using his hands nine times out of ten.
Nonetheless here s why coil roofing nails have gained such popularity over staples.
Most times the roofs that have been put on with a nailer all nails stay in the wood when tearing off.
Hand nailed roofs most nails come out during tear off.
When you use a gun usually a third or under driven a third or over driven and a third or correct.
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This is near impossible with hand nailing because the hammer hits the shingle decreasing the pressure on the nail head.
A hand nailed roof is hands down a better roof than using a nail gun.
On the other hand labor costs will be higher.
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.
Some things are best left unchanged however and roofing by hand is one of them.
Some roofers believe hand nailing shingles gives them more control over the process.
A hand nailed roof trump s a gun nailed roof any day.