Roof coverings that have passed the UL Standard 2218 test are classified as either Class 1, 2, 3, or 4. A Class 4 roof covering receives the highest premium credit.
What is a Class 4 roof?
Class four is an impact standard used to rate roofing materials like shingles and metal materials. The hail standard UL 2218 essentially encompasses four different sized metal balls being dropped from different heights (to simulate hail, more or less). …
Is a class 4 roof worth it?
Are Class 4 Impact Resistant Shingles Worth the Cost? Generally, yes. … Typically, these shingles cost 10-20% more than their non-impact counterparts. That being said, they reduce a homeowner’s maintenance costs and may even prevent premature roof replacement.
How can you tell if you have Class 4 shingles?
Shingles are rated Class 1 through 4, with Class 4 shingles having the highest resistance. You will not be able to determine the impact rating of shingles by looking at them, although the impact rating is usually marked on the cellophane on the underside of the shingle. Resistance may be provided in several ways.
What is a Class 3 or 4 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. A Class 4 rating, the material should not get damaged when hit twice in the same spot by 2 inch diameter steel ball.
What is the best class 4 shingle?
Best Class 4 Impact Resistance Rubber Roofing Shingle Companies
- Atlas Roofing Corporation. …
- Malarkey Roofing Products. …
- CertainTeed Corporation. …
- Enviroshake Inc. …
Are Class 4 shingles thicker?
Impact resistant shingles are manufactured in a multilayer and thicker than the standard asphalt shingles. The impact rating of UL Standard 2218 Class 4 will be on the underside of the shingle.
How long should a class 4 roof last?
Impact-resistant, synthetic-slate tiles, with a lifespan of over 50 years, offer the beauty of heavy-natural slate roofing but with greater durability and fewer maintenance requirements.
How much more expensive are Class 4 shingles?
While its true that the shingle itself costs more money, the labor to install the roof should be no different than any other type of asphalt shingles. On average, the price of upgrading to Class 4 impact-resistant shingles is about $50 per square higher than the cost of your previous shingles.
Does GAF make a Class 4 shingle?
GAF Timberline® ArmorShield™ II
* Made with a proprietary SBS modified asphalt formulation, these shingles pass the industry’s toughest impact-resistance test: UL 2218 Class 4. Timberline® ArmorShield™ II Shingles offer all the beauty of Timberline® Shingles with extra protection for your most valuable asset.
Is OC duration a Class 4 shingle?
Patented WeatherGuard® Technology helps Duration STORM® Shingles achieve a UL 2218 Class 4 rating, the highest rating for impact resistance, by integrating a polymeric backing material on the shingle.
What are the different grades of shingles?
There are three grades of asphalt shingles to choose from, which are 3 tab shingles, architectural shingles, and impact resistant shingles. 3 tab shingles are asphalt shingles that are manufactured as three separate tabs. They are the most affordable out of the three asphalt roof shingles.
What roof is best for hail?
A rubber roof is one of the best roofing solutions for hail. Rubber roofing offers a tremendous level of impact resistance due to its energy absorbing and dispersing nature. Similar to a car tire hitting a pothole, a rubber roof can return to its original shape after a big impact.
What is a Class 1 roof?
A Class 1 roof has undergone a series of tests that evaluate the entire roof assembly, including the external spread of flame test utilized for the Class A rating. All Class 1 roof assemblies are Class A roofs, but not all Class A roof systems meet the Class 1 rating.
What is a Class 2 roof?
A Class 2 impact shingle is one that has been assigned a Class 2 rating by Underwriters Laboratory, or UL. … A shingle is assigned a Class 2 rating if it does not rupture or crack when hit by 1.25-inch balls dropped from 20 feet above. The highest rating is Class 4.
What is a Class 3 roof shingle?
Impact resistant shingles are designed with a thicker gauge base mat, and composed of more flexible materials than standard shingles. Their durability rating is established by administering the UL 2218 impact test. … To achieve Class 3 rating, the shingle must withstand a 1 ¾-inch steel ball dropped from 20 feet.