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