Roof Damage Wind Speed

Certain regions will be subject to higher pressures such as along the perimeter.

Roof damage wind speed. Damage to your roof can begin at around 50 mph so you should know how to check your roof for such damage. These differences can also account for the amount of damage sustained. There are several types of damage high winds can cause to your roof including leaks missing shingles and gutter problems. Areas like the corners and perimeter of the roof can be susceptible to higher wind pressures while the center of the roof might have lower stresses.

Class f for shingles that passed testing at 110 mph. As wind moves over a roof its effect is not uniform. 45 57 mph. Factors that can accelerate wind damage.

According to the national roofing contractors association nrca most wind damage to a roof starts on the edge. Shingles roofs especially take a beating during high winds despite most being rated to withstand 90 mph winds. Roofing material condition roofing materials in poor condition will naturally be more susceptible to wind damage. In between breezes and twisters is a whole range of wind speeds that incrementally damage the roof system.

Roof shape and slope wind speed and load will react differently on different roof shapes and slopes. 58 74 mph. Class d for shingles that passed testing at 90 mph. Astm d7158 or the standard test method for wind resistance of sealed asphalt shingles uplift force uplift resistance method.