Our newest company feature is of CertainTEED Building Products. They’re a subsidiary of Saint-Gobain. They’re a large company that knows how to put all of the resources at their disposal to good use. CertainTEED produces high quality roofing materials and our favorite by them is their Symphony line of composite slate shingles. You can learn more about these shingles and even more about this company by visiting the CertainTEED Building Products page.