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CertainTeed Corporation

P.O. Box 860
Valley Forge, PA
Phone: 610-341-7000
Fax: 610-341-7777

CertainTeed Corporation is a manufacturer of exterior building materials for new construction and home remodeling needs. Products included; insulation, vinyl windows, vinyl siding, roofing, ceilings, PVC pipe, fencing, decking, railing, attic ventilation and foundation systems.