Class 3 versus Class 4 Shingles

Class 3 versus Class 4 Shingles

Class 3 Versus Class 4 Shingles Class 4 shingles offer superior impact resistance against hail compared to Class 3 shingles. Class 4 shingles are tested to withstand the impact of a 2-inch steel ball dropped from a height comparable to a two-story building, while...