Roof covering systems e g asphalt shingles clay or concrete tile etc are listed in section r905.
Wind resistant flat roof coverigns.
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 underwriters laboratory test ul 2218.
Therefore you can use any materials for the roof including the tin roof.
The 3 tab 60 mph to 70 mph wind uplift rated roof covering shingles will be ripped off and leaks will be inevitable.
To protect roof coverings from both wind and hail damage look for wind and impact rated roof coverings.
Section r301 2 1 requires that roof coverings resist the c c loads listed in table r301 2 2 as a function of basic wind speed and roof slope.
Following are path s recommendations for achieving storm resistant roofing.
A standing seam roof and the water shedding roofing system.
Because mid range slope roofs withstand strong winds better than steep roofs keep the roof pitch below 6 12 and greater than 4 12.
It is also water resistant which can help you against the rain.
Load and pressure requirements are contained in section r301.
There are two types.
Build a moderately pitched hip roof.
This type of installation also makes it less time consuming than other roofing options.
Tin roofs are more durable than wooden and plastic roofs.
Proper installation will only end the damage caused by high winds.
Architectural grade shingles rated to withstand wind gusts up 130 mph are your best bet for high wind areas.
Flat roofs increase uplift forces on the overhang and are more prone to leaks.
The cost of the roofs with a wind resistance is higher than the average one.
The aim of building a freestanding patio cover is to protect you from the rain and the glare of the sun.
This provides a strong path of resistance for high winds and can prompt more forceful direct impact so insurance folks frown on flat roofs.
A flat roof has one or more sides with a vertical angle a straight dropdown.
Any home with a flat roof is a good candidate for tpo application which makes up the fastest growing segment of the single ply roofing industry in the united states.
Designed to be less expensive that pvc roofing but with better durability and energy efficiency ratings than epdm rubber tpo is quickly becoming the most popular flat roof.
A hip roof is ideal as all sides slope downward to aid in resisting clashes with hurricane winds.