Hail Resistant Roof Classes

Now here s where it can get a little confusing.

Hail resistant roof classes.

Thicker steel protects better. This is why you need northgate. 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. To have a truly hail resistant metal panel a design must combine all of these factors to create a layer of protection.

However if your roof is made up of a 10 year old class 4 shingle it probably did sustained damage. 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. For instance if you ve recently installed a class 4 hail impact resistant shingle on your home and your roof was impacted by 2 1 2 hail stones there is a chance that your roof sustained no functional damage. Note however a few caveats.

For wind resistance these ratings are usually indicated by a letter with class f being the best and class a being the bare minimum. A class 4 impact resistant shingle will provide these benefits and more including insurance discounts in some areas. Manufacturers report their hail ratings voluntarily thus you may not find hail ratings for shingles that don t perform well. The roofing materials that show the greatest resistance earn a class 4 rating.

It s important to remember that no roof is 100 immune to the damaging effects of an intense storm or some other catastrophic event. You need a roofing shingle that has been lab tested by the roofing manufacturer and is proven to withstand hail and provide reliability in your building envelope. When it comes to protecting a roof the thickness of the metal is a key factor to resisting large sized hail stones. The last factor is the method by which the panel bonds to its neighboring panels.

Hail resistant is not hail proof. Shingles on an impact resistant roof are designed to withstand high winds and hail damage and have a class 4 rating see below. 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. Those with the least resistance earn a class 1 rating.

There are four testing classes that use four different steel ball sizes that range from 1 1 4 to 2. One of them is for impact resistance one is for wind resistance and the other one is for fire resistance. The most effective way to minimize hail damage is to choose durable hail resistant roofing materials. Class 4 impact resistant roofing shingles.

Here are the top hail resistant roofing options available for modern homes. The ul 2218 is the roofing industry standard for testing shingles against hail impact.