Hail Resistant Roof Classes

Hail resistant is not hail proof.

Hail resistant roof classes.

Here are the top hail resistant roofing options available for modern homes. 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. The roofing materials that show the greatest resistance earn a class 4 rating. 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.

These steel balls are dropped at heights between 12 and 20 feet to mimic the impact of hail falling at high speeds. 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. A class 4 impact resistant shingle will provide these benefits and more including insurance discounts in some areas. 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. However if your roof is made up of a 10 year old class 4 shingle it probably did sustained damage. To have a truly hail resistant metal panel a design must combine all of these factors to create a layer of protection. One of them is for impact resistance one is for wind resistance and the other one is for fire resistance.

Shingles on an impact resistant roof are designed to withstand high winds and hail damage and have a class 4 rating see below. The ul 2218 is the roofing industry standard for testing shingles against hail impact. The last factor is the method by which the panel bonds to its neighboring panels. 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. Impact resistant shingles and other roofing materials are designed to resist damage from hail and flying debris abuse that might damage ordinary shingles. Storms that bring hail airborne debris and high winds put your roof at risk for damage and installing impact resistant shingles may. Class 4 impact resistant roofing shingles.

The most effective way to minimize hail damage is to choose durable hail resistant roofing materials. Thicker steel protects better. When it comes to protecting a roof the thickness of the metal is a key factor to resisting large sized hail stones. For wind resistance these ratings are usually indicated by a letter with class f being the best and class a being the bare minimum.

Manufacturers report their hail ratings voluntarily thus you may not find hail ratings for shingles that don t perform well. This is why you need northgate.