HomeStatesMassachusettsGCP Applied Technologies Inc. GCP Applied Technologies Inc. Massachusetts, Roofing Contractors GCP Applied Technologies Inc. 62 Whittemore Ave Cambridge 02140 USA See route Phone: 617/498-3809 E-mail: Website: http://www.gcpat.com NRCA member since: 1994 See other roofing contractors Lakeside Construction Fasteners M&T Exteriors Inc. Ben Hill Roofing & Siding Co. Inc. Exterior Pro Inc. D&S Roofing Corp.