Wind Resistant Flat Roof Coverigns

To protect roof coverings from both wind and hail damage look for wind and impact rated roof coverings.

Wind resistant flat roof coverigns.

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. A hip roof is ideal as all sides slope downward to aid in resisting clashes with hurricane winds. 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. There are two types.

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. The 3 tab 60 mph to 70 mph wind uplift rated roof covering shingles will be ripped off and leaks will be inevitable. Tin roofs are more durable than wooden and plastic roofs. Following are path s recommendations for achieving storm resistant roofing.

With all that said if we were to rank the roofing materials from best to worst for coastal living it would go like this. A flat roof has one or more sides with a vertical angle a straight dropdown. A standing seam roof and the water shedding roofing system. Tin roof just like any other metal roofs has many benefits.

Build a moderately pitched hip roof. It is also water resistant which can help you against the rain. Liquid flat roofing is a special thick substance that is applied directly onto the roof desk and spread thus coating the entire roof with a seamless cover making it an amazing quality for a flat roof. The cost of the roofs with a wind resistance is higher than the average one.

This type of installation also makes it less time consuming than other roofing options. Therefore you can use any materials for the roof including the tin roof. Flat roofs increase uplift forces on the overhang and are more prone to leaks. This provides a strong path of resistance for high winds and can prompt more forceful direct impact so insurance folks frown on flat roofs.

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. Roof covering systems e g asphalt shingles clay or concrete tile etc are listed in section r905. Because mid range slope roofs withstand strong winds better than steep roofs keep the roof pitch below 6 12 and greater than 4 12. Architectural grade shingles rated to withstand wind gusts up 130 mph are your best bet for high wind areas.