Impact Resistant Roof Class 3

5 8 slate typically receives a class 4 rating making it impact resistant.

Impact resistant roof class 3.

It is important to note the truth regarding a couple misconceptions associated with impact resistant roof shingles. However you ll need to pay attention to the thickness of the slate you re choosing. What are impact resistant roofing materials. The impact resistance classification class 1 class 2 class 3 class 4 of the product under u l.

Approved laboratory roof class location ul class 1 2 3 and 4 tx only ul and fm class 3 and 4 all other states. The roof covering product. While class 4 is the highest rating for impact resistance there are also lower ratings a shingle can receive such as class 3 and class 2. Impact standard for impact resistance of prepared roof covering materials with an impact resistance classification of.

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. Ir shingles are impact resistant not impact proof. Impact resistant shingles are recommended for homes in areas that see frequent. Roof coverings that have passed the ul standard 2218 test are classified by ul as either class 1 2 3 or 4.

Impact tested to prevent cracks and tears 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. Aside from hail impact these materials can withstand high winds of up to 110 mph. The difference between the ratings is that class 3 shingles withstand a smaller steel ball dropped from a lower height and likewise for class 2. The roof covering installed on this residence meets one of the following requirements.

Year manufactured date of installation. With a regular shingle most of our competitors impact resistant shingles are only class 3 cracks and ruptures will appear from that kind of impact. After a hail storm your shingles may still experience some granular loss and dents at impact points. Class 4 roof covering is the most impact resistant roof and receives the highest premium discount.

The brand name of the roofing product. 1 4 slate is not as strong and will usually come with a class 3 rating. 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. Considered a class 4 product impact resistant shingles can be made of steel rubber asphalt with sbs rubber asphalt with special matting materials aluminum copper and resin.

So while an ir shingle may reduce these effects the real benefit lies in.