Ideal nail placement on roof shingles is limited to a very small area.
Nailing vs stapling roof shingles.
When the first strong wind blows half of the shingles off it makes life sooo much easier for the next person.
They rust they back out they don t hold and they put two holes through the roof shingle whereas a nail only one.
Staples are the method used years ago that gave machine roofing a bad name.
A hand nailer can tell better if a nail is high and will give it another hit.
If the nail is driven outside that area it could impair the roof and void the manufacturer s warranty.
For one staples cost less than nails adding to their profit per roof.
Au contraire pgriz but staples do have an advantage over nails.
This sketch points out that mis driven nails can also lead to shingle wind damage live link given below.
In the past roofers preferred staple guns for attaching shingles to roof sheeting.
Also the roofer fires off more than needed into the shingle.
I assume if your distributor is demoing staples they must be legal in your area though.
The roofing nail sketch of common roof shingle nailing errors shown here is a detail from fema s asphalt shingle roofing for high wind regions 2.
We are talking nails hand or gun.
Staples also offered excellent holding strength and could be installed over a larger roof area quickly.
Staples for shingle applications are staples recommended as fasteners for asphalt shingles.
Shingles are designed to be nailed in specific locations and the nail must be driven to a certain depth.
Staples are not recommended by hodges roofing and most industry organizations.
Under pressured tools leave the nails high causing the shingle above to be lifted and suspect to wind blow offs.
Make no mistake we are in business to make money.
They don t have to.
Staples made of at least 16 gauge galvanized steel with a minimum crown of 15 16 have been and continue to be used by some applicators to install shingles.
There is a right way and a wrong way to nail a shingle to a roof.
Proper stapling also means keeping the staple crowns horizontal or level.
As with nails overdriven staples break the surface of the shingle which weakens their holding power.
Staples should be totally banned from the roofing industry.
The farther off horizontal the staple is driven the closer together the staple points are and the less wood is captured between the points.
Research on use of staples vs nails in asphalt shingle roofs.
Some shingles after roof traffic will cut through the upper shingle leaving an exposed nail head.
The importance of nail placement.