A 29 gauge metal panel can have the same impact resistance rating from underwriters laboratory ul as a 26 gauge panel.
Metal roof hail rating.
The most effective way to minimize hail damage is to choose durable hail resistant roofing materials.
Even in extreme weather situations damage to a metal roof will take the form of small dents but not puncture break or tear the roof.
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.
Hail damage to a roof is usually not the hail itself but the water that can seep through a roof damaged by hail.
Metal roofs can handle hail extremely well even better than most other roof types.
It s important to remember that no roof is 100 immune to the damaging effects of an intense storm or some other catastrophic event.
Underwriters laboratories inc ul an independent for profit company has developed a series of laboratory test to measure how well roofing materials resist hail.
The advantage of thicker metal panels in this case is that they are less prone to denting.
What are hail ratings impact resistance ratings.
Bridger steel recommends a minimum of a 26 gauge steel roofing panel to survive a harsh hail storm.
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.
Here are the top hail resistant roofing options available for modern homes.
Hail resistant is not hail proof.
In fact many metal roofing products have the highest impact resistance and hail rating class 4 granted by underwriters laboratory ul.
A thicker metal panel will resist punctures and form stronger seams between panels.
When it comes to protecting a roof the thickness of the metal is a key factor to resisting large sized hail stones.
Metal roofing has always been known as one of the toughest materials available to use for a roof and most metal roofing panels carry class 3 or 4 ratings.
Despite this thicker lighter gauge panels can make sense for buildings in hail prone areas but not because of structural integrity.
Just choosing any metal roof will leave many owners with regrets after the next big hail storm.
Metal roofs are very tough and highly resistant to hail damage.
Even a new asphalt shingle roof won t protect a home from the next hailstorm.
This has to do with the testing itself.