Wind Resistant Flat Roof Coverigns

In warm climates specify light colored or solar reflective roof coverings that absorb less heat from the sun and make the home more energy efficient.

Wind resistant flat roof coverigns.

This provides a strong path of resistance for high winds and can prompt more forceful direct impact so insurance folks frown on flat roofs. Tin roofs are more durable than wooden and plastic roofs. Tin roof just like any other metal roofs has many benefits. They are also resistant to fire.

Roof covering systems e g asphalt shingles clay or concrete tile etc are listed in section r905. The sheathing is the fastened to the rafters it acts like a top layer of the roofing. They are also lighter which makes them easier to install. On average you can expect to spend 5 50 6 50 installed.

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. However epdm is resistant to puncture poor weather and impact. 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. For the material that covers a flat roof wind resistance is less critical and the material tends to have negligible impact from salt spray.

Rated wind and impact resistant asphalt shingles and standing seam metal roofs are good choices for storm resistance. A flat roof has one or more sides with a vertical angle a straight dropdown. When the wind pressures the roof it lifts the sheathing off the roofs structure and frame. Load and pressure requirements are contained in section r301.

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 main concern from florida building code is that any structures or vents that may reside on the flat roof must be properly fastened and sealed. The sheathing and the other part with shingles and tiles. Maintenance requires special attention to the adhesive used around edges and seams as this adhesive tends to fail before the covering itself allowing moisture to seep through.

For the highest level of wind rated shingle look for shingles that are rated to astm d3161 class f or astm d7158 class h. An epdm membrane is the most economical flat roof. To protect roof coverings from both wind and hail damage look for wind and impact rated roof coverings. The roof has two water barriers.