The roof covering product.
Impact resistant roof class 3.
Roof coverings that have passed the ul standard 2218 test are classified by ul as either class 1 2 3 or 4.
Class 1 class 2 class 3 class 4.
So while an ir shingle may reduce these effects the real benefit lies in.
It is important to note the truth regarding a couple misconceptions associated with impact resistant roof shingles.
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.
The roof covering installed on this residence meets one of the following requirements.
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.
Ir shingles are impact resistant not impact proof.
However you ll need to pay attention to the thickness of the slate you re choosing.
1 4 slate is not as strong and will usually come with a class 3 rating.
Impact standard for impact resistance of prepared roof covering materials with an impact resistance classification of.
Shingles on an impact resistant roof are designed to withstand high winds and hail damage and have a class 4 rating see below.
The brand name of the roofing product.
Approved laboratory roof class location ul class 1 2 3 and 4 tx only ul and fm class 3 and 4 all other states.
Impact resistant shingles and other roofing materials are designed to resist damage from hail and flying debris abuse that might damage ordinary shingles.
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.
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.
What are impact resistant roofing materials.
5 8 slate typically receives a class 4 rating making it impact resistant.
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.
Impact resistant shingles are recommended for homes in areas that see frequent.
The impact resistance classification class 1 class 2 class 3 class 4 of the product under u l.
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.
Class 4 roof covering is the most impact resistant roof and receives the highest premium discount.
Aside from hail impact these materials can withstand high winds of up to 110 mph.
