GDR comprehensive service includes award winning design and investment grade home improvements for property owners throughout southeastern Pennsylvania since 1990. Please visit our showroom and studio located within a thoughtfully renovated 1870's barn where clients are engaged in the preconstruction process through 3-D computer aided design software. Our in house craftsmen perform most tasks without using subcontractors allowing GCR to represent we’ll work continuously on your project from commencement until completion and back our work with a 5 year warranty on craftsmanship. GDR is fully Insured, PA Registration 00297, properly licensed when applicable. Members of and certified by: NARI National Association of the Remodeling Industry NARI Certified Remodeler, NARI Certified Lead Carpenter, NARI Certified Kitchen and Bath Remodeler; USGBC GAC U.S. Green Building Council Green Advantage Certified NAHB CGP National Association Of Home Builders Certified Green Professionals, NAHB CAPS Certified Aging in Place Specialists; CertainTeed Master Shingle Applicators, CertainTeed Quality Master, NKBA National Kitchen and Bath Association BPI Building Performance Institute Certified Professional