Trade association for manufacturers, distributors & installers of Certi-label cedar shakes & shingles for roofing & siding: installation instructions; AIA seminars; fire-retardant & preservative-treated products.
Supplier of steep- & low-slope roofing products: the patented Shangle; laminates; durable three-tab shingles; Symphony slate series mimics look & feel of natural slate; an Energy Star product; long warranties.
Supplier of slate roofing tile & siding: 16- & 24-in. sizes; colors ranging from grays & greens to black, purple & multi-colors; other sizes & graduated roofing on request; thickness up to 1 1/4 in. in some colors; slate flooring.