How Roofing Shingles Are Classified

After several disastrous hail storms spread through the United States in the mid-1990s, the roofing industry created a test to assess roof shingles’ resistance to impact. The test is called the Underwriters Laboratory 2218 (UL 2218), and it is also known as “the steel...

Why Should You Install Class 4 Roofing Shingles?

If you really want a premium crown for your house, then you should be looking at Class 4 roofing shingles. Although they are pricier than the standard, non-impact shingles in the market, the additional fee is a noteworthy investment if you reside in an area where hail...