Caps hold the felt better and hence on a steeper slope the felt will hold better to the house while he is roofing it.
Roofing felt nails vs staples.
Staples also offered excellent holding strength and could be installed over a larger roof area quickly.
Similarly 19 32 osb roof sheathing would be 8d.
Staples cost less than nails offer exceptional holding strength and cover a greater area of space with a more versatile and compact collation.
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.
The purpose of the caps is not for it to perform better.
In the past when it came to the debate of roofing nails versus staples the industry was split down the middle.
Typical wood frame home with osb wall and roof sheathing.
Research on use of staples vs nails in asphalt shingle roofs.
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.
For one staples cost less than nails adding to their profit per roof.
Cap nails are typically made of steel and feature a plastic cap to prevent roof leaks hence their name.
Staples are not recommended by hodges roofing and most industry organizations.
Staples can be used for tacking it down but not recommended to hold.
This sketch points out that mis driven nails can also lead to shingle wind damage live link given below.
Both options often depend on the slope of the roof itself.
Staples for shingle applications are staples recommended as fasteners for asphalt shingles.
Roofing staple guns were light and easy to use over the newer and heavier roofing nail guns that were coming onto the market.
For example according to the table 7 16 osb oriented strand board wall sheathing may be fastened with 6d common box or casing nails or 1 3 4 16 gage staples at 6 on center at the panel edges and 12 on center in the field special conditions apply for shear walls.
Many roofers will tell you that staples are fine for installing the synthetic underlayment.
Back in the day all i used was staples and or roofing nails now plastic tops are the norm.
The reason they want you to use felt nails is to prevent blow offs if left exposed or high wind areas.
On an 8 12 or flatter staples are fine.
After the house is roofed it does not matter what he used.
In the past roofers preferred staple guns for attaching shingles to roof sheeting.