Class 4 Shingles are Impact Resistance Class 4 Shingles were actually tested by dropping a steel ball onto the shingles. The UL 2218 impact test was developed in conjunction with insurance industry leaders for the highest rating.
Class 4 Shingles Survives Impact Test Not many homeowners would know if the shingles on their roof would survive severe impact from a 2-inch steel ball dropping on them or if they would survive extreme weather.
CLASS 4 SHINGLES PASS IMPACT TEST Not many homeowners would know if the shingles on their roof would survive severe impact from a 2-inch steel ball dropping on them or if they would survive extreme weather. Most shingles would have damage on both sides of the shingle from such an impact.
CLASS 4 ROOFING SHINGLES PASSES IMPACT TEST Do you know how the shingles on your home would hold up under a really bad storm? Many homeowners worry if the shingles on their homes would survive through extreme weather. In extreme weather, most shingles would have damage on both sides of the shingle from such an … Continue reading Class 4 Roofing Shingles→