Thicker sheathing can also offset sensitivity to overdriving.
Roof sheathing for torandao proof.
There is a vast array of metal roofing options like stone coated steel shingles or metal panels which are installed in an interlocking pattern.
To protect roof coverings from both wind and hail damage look for wind and impact rated roof coverings.
The roof sheathing is the first structural element in the load path between the roof system and the foundation.
Then the roof sheathing rips from the roof framing.
Metal many roofers will tell you that metal is the gold standard for tornado resistant roofing.
The sheathing works with the roof framing to transfer lateral loads to the home s shear walls.
A tornado resistant roof s primary function in a continuous load path is as a horizontal diaphragm that moves the loads imposed by heavy winds to the supporting walls below.
Finally the roof framing pulls from the supporting walls.
Insulated reinforced concrete roof decks the only known roof systems that have consistently survived high category hurricane and tornado velocity winds have been built with structural reinforced concrete decks securely and sufficiently connected to structural reinforced concrete or reinforced concrete block walls.
For shingles wind ratings are based on standards published by astm international formerly known as the american society for testing and materials and resistance to impact is based on an.
Use a nailing pattern of 8d ring shank nails at 6 inches on center.
Use roof sheathing with a minimum thickness of 19 32 inches for added strength in high risk high wind zones.
Do not attach with staples.
Unfortunately concrete decks can only be installed on homes that have concrete walls due to the heavy weight of this decking type.