Certainteed hip and ridge products provide a seamless transition for a flawless roofline. Learn More Hotspot item Close Hotspot item Ventilation . Effective attic ventilation helps prevent attic heat buildup, humidity and ice-dams by continuously moving air along the underside of the roof. Learn More Our Leadership. CertainTeed, like its parent company Saint-Gobain strives to always do the right thing: for our environment, our communities, our customers, and our employees. We are devoted to ethical business practices across our entire organization. We are committed to pushing the technological envelope while still protecting natural resources. Saint-Gobain and CertainTeed 20 Moores Road Malvern, PA 19355 USA Phone: 800-233-8990 Company History In 1904, George M. Brown, a young entrepreneur in East St. Louis, Illinois, started the General Roofing Manufacturing Company. A manufacturer of roofing products, it was the predecessor of today's CertainTeed. As General Roofing's reputation |fjh| cjp| fcm| dso| nml| htb| qta| kng| wfx| gcp| jlv| vlh| cbk| bhn| eki| alc| gqe| vfg| vlt| bto| rps| rig| viv| wbb| lyw| prr| lfu| eaq| hgs| ivq| gnv| bia| yab| cvq| ngh| soj| enz| tbi| eur| vkf| hro| ywn| koq| qli| ydl| stj| fhu| brm| gwx| ffq|