The most effective way to minimize hail damage is to choose durable hail resistant roofing materials.
Hail resistant roof ul.
Shingles on an impact resistant roof are designed to withstand high winds and hail damage and have a class 4 rating see below.
After performing the test roofing manufacturers would be scored based on the resistance of the material getting a rating from 1 least hail resistant to 4 most hail resistant.
I have installed in accordance with the manufacturer s specifications on the above described residence a roof covering listed as complying with underwriters laboratory standard 2218 impact standard for impact resi.
Impact test ul 2218 intermittent flame testing ul 790 solar reflectance thermal emittance coating thickness astm c1549 and c1371 wind resistance astm d3161 wind uplift ul 1897 10x10 and 12x24 deck wind uplift ul 580 our building inspection services provide confidence that buildings meet critical code requirements.
In most cases a corrugated panel is the best option for pure protection.
Summarizing the result we would be looking at for a class 3 roof is earned if the sample does not crack when hit twice in the same spot by a 1 75 inch diameter steel ball.
In a class 4 ul 2218 impact resistance test a 2 inch steel ball is dropped from 20 feet to see if the shingles will fracture.
What are hail ratings impact resistance ratings.
Impact resistant shingles and other roofing materials are designed to resist damage from hail and flying debris abuse that might damage ordinary shingles.
Here are the top hail resistant roofing options available for modern homes.
These tests are widely accepted by the roofing industry and the results are widely quoted in industry promotional materials.
Storms that bring hail airborne debris and high winds put your roof at risk for damage and installing impact resistant shingles may.
Underwriters laboratories inc ul an independent for profit company has developed a series of laboratory test to measure how well roofing materials resist hail.
Roofing company do hereby certify that.
When it comes to impact resistance they use numbers instead of letters with class 4 being the best.
It s important to remember that no roof is 100 immune to the damaging effects of an intense storm or some other catastrophic event.
The corrugation helps deflect and hide any deformities that may occur from a hail storm.
Stance of prepared roof covering materials with an impact resistance.
If you re one of the millions of american homeowners who live in an area where intense storms frequently occur then your choice of roofing shingles plays a critical role in protecting your roof from storm damage.
Class 4 impact resistant roofing shingles.
For fire resistance the standards are reversed with class a offering the best protection.
Hail resistant is not hail proof.
With class 4 shingles there are no splits or tears.