CONTACT US > SERVICES Greylock Roofing Company provides services for both commercial & residential properties. We possess both the expertise and the resources to repair or install any conceivable roof found in New England. Our firm is a go to company for property managers, building superintendents, developers, architects, engineers, property owners and large corporations who own or manage properties. METAL/COPPER INSTALLATION & REPAIR SLATE & MASONRY SERVICES RUBBER/EPDM INSTALLATION & REPAIR Greylock Roofing Company specializes in the installation & repair of metal & copper roofing, as well as gutters and downspouts. Many projects completed by our firm have included working within historical society parameters. Greylock Roofing Company installs & repairs slate roofs. Work is performed year-round and we are experts in the masonry field. We also provide waterproofing applications, preventive maintenance programs & 24 hour emergency service. TPO/PVC INSTALLATION & REPAIR SHINGLE INSTALLATION & REPAIR Greylock Roofing Company installs & repairs TPO & PVC-Sarnifal roofing systems. These systems can be fully adhered or mechanically fastened. Energy efficient systems installed with less adhesives & solvents can sometimes be tax creditable.. Greylock Roofing Company installs & repairs asphalt shingles, cedar shake, slate & artificial shingles. From simple roof replacement to large projects and new developments, Greylock Roofing is experienced and specialists when it comes to all roofing systems. Greylock Roofing Company installs & repairs all rubber/EPDM & Built Up Systems which are fully adhered, mechanically fastened or ballasted type roofing systems. Most products are manufactured by Firestone, Versico & GAF. MECHANICAL ALTERATIONS Greylock Roofing Company installs & removes HVAC curbs, exhaust units & various discarded antennas. We also install, repair & waterproof skyLights. Waterproofing of chimneys & other roof structures are our specialty. Call for a free estimate today! AIR & VAPOR BARRIER SPECIALISTS Greylock Roofing Company specializes in both sheet and liquid applied membranes for new construction and restoration work. We install Kemper, Carlisle, Grace, Henry as well as many other air & vapor barrier products. WATER PROOFING SPECIALISTS Greylock Roofing Company Installs below grade waterproofing and metal through wall flashings. We also install door & window flashings-both metal & membrane. We install parking garage & plaza waterproofing products in both sheet or liquid form. BUILDING ENVELOPE SPECIALISTS Greylock Roofing Company assists in building envelope investigations, performing watertests & destructive envelope analysis. We repair masonry, rainscreen and other envelope construction types.