Of all metal roofing applications, hand tooled, double lock copper is by far the longest lasting system. All the details are crimped,...

We were very happy to speak at the 2018 Heritage Commission Seminar about the preservation of Historical Roofs. Very interesting and...

Not all slates are created equal. Slates are rated on 3 levels by the American Society for Testing and Materials (ASTM): S-1 has an...