A class 4 roof covering receives the highest premium credit.
Hail resistant roof ul class.
Since 1996 the ul 2218 has provided a national standard for rating the impact resistance of roofing materials.
The list of approved laboratories is shown below.
It is also important to understand that a hail resistant roof can still be damaged by large wind driven hail.
Impact resistant shingles ensure a roof will maintain its strength and integrity against flying debris hail and winds up to 110 mph.
Can class 3 4 roofs ever become hail damaged.
January 25 2010 ansi approved.
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.
Class 4 roofing shingles are considered to be a premium product and therefore may cost more than standard non impact resistant shingles.
Impact tested to prevent cracks and tears.
Our 7 8 corrugated roofing panel is our highest ul rated panel earning a class 4 rating.
The most effective way to minimize hail damage is to choose durable hail resistant roofing materials.
It s important to remember that no roof is 100 immune to the damaging effects of an intense storm or some other catastrophic event.
Impact resistant shingles achieve a ul 2218 rating of class 4.
Ul standard ul 2218 edition 2 impact resistance of prepared roof covering materials edition date.
Hail resistant roofing offers the benefit of extra protection to your home.
Trudefinition duration flex shown in the color brownwood a class 4 impact resistant sbs roofing shingle from owens corning roofing.
If you live in an area that s prone to hail this is the shingle you need.
Hail resistant is not hail proof.
What is class 4 impact resistance.
However due to the various benefits of class 4 impact resistant shingles the extra cost upfront may be a worthwhile investment if you live in an area where hail and wind storms frequently occur.
