Is a Class IV product hail proof?
LET’S START WITH WHAT THE CLASS IV TESTING IS IT’S AN IMPACT RESISTANCE RATING PERFORMED BY UNDER WRITERS LABORTORY THE UL2218 PERFORMS A DROP TEST USING A 2” STEEL BALL THE SHINGLE MUST WITHSTAND ANY VISIBLE CRACKS THRIOUGHOUT THE PRODUCT THIS IS IMPORTANT FOR A FEW REASON IT WILL PROLONG YOUR ROOFS LIFE ESPECIALLY IN […]