Completed Greylock Projects

The following are samples of completed work produced by Greylock Roofing Company, Inc:

Oxford Street

Boston, MA - "Go over" of existing ballasted rubber roof with a new fully adhered Carlisle EPDM roofing system with 20 year warranty.


Old ballasted rubber roof system at Oxford Street


Installation of new roof hatch and Carlisle system at Oxford Street; complete roof on right

Whiting Road

Wellesley, MA - Installation of a Sarnafil PVC roof system over new addition (being constructed by Knollmeyer Building) on residential house, and replacement of two existing rubber roofs with new Carlisle EPDM systems.


Whiting Road addition construction and new Sarnafil roof receiving temporary protection


Whiting Road upper roof replacement: removing existing and installing new EPDM system

River Court Condominiums

Cambridge, MA - Replacement of existing EPDM balcony waterproofing system with a Sarnafil Waterproofing System 1000 on two penthouse balconies.


One of the River Court Condos penthouse balconies to receive new waterproofing system


Removal of existing EPDM system (left) and detail of Sarnafil installation using 'leg and leg' through-wall application (right)

Pilot House

Boston, MA - Replacement of existing chiller roof with a new fully adhered EPDM Carlisle Roofing System, with tapered insulation to mitigate major ponding water problem; performed in conjunction with chiller replacement. Penthouse roof and wall also received new rubber membrane application.


Pilot House chiller roof section in center surrounded by metal venting wall, and ponding water on the chiller roof


Removal of existing chiller roof (with soaking wet insulation) at Pilot House; complete penthouse roof area

Cable Gardens Apartments

Ipswich, MA - Performing various roof repairs and improvements to the Cable Gardens Apartment Community: complete replacement of three roof sections with a fully adhered EPDM (rubber) Carlisle Roofing System; replacement of deteriorated single tab asphalt shingles with new Grace Ice & Water Shield and CertainTeed three tab shingles on applicable roof section; installation of Topcoat liquid applied coating on standing seam metal roof section; performing slate roof repairs; replacement of roof section in conjunction with HVAC replacement; stripping in existing EPDM roof section and installing new pipe boots; performing leak investigations; and creating new large drain sumps to improve roof drainage.


C.G. rubber roof section before replacement, during removal of old roofing systems, and during DensDeck and insulation installation


Completed Carlisle EPDM roof sections


C.G. penthouse rubber roof section before replacement and after new EPDM and drain installation


C.G. historic balcony roof section before and after roof replacement (new PVC railing system to be installed by owner)


C.G. metal roof section before and after Topcoat application and shingle roof replacement

Eden Street

Charlestown, MA - Replacement of existing torch down roof system with a new fully adhered EPDM (rubber) Carlisle Roofing System with new edge metal, wood nailer, and DensDeck Prime roof board. Chimney repointing completed in conjunction with Knollmeyer Building Corp.


Eden St Condos existing torch down roof


Eden St Condos installation of fully adhered rubber membrane


Eden St Condos completed roof replacement and repointed chimney

Bay Square Condominiums

Cambridge, MA - Replacement of existing ballasted EPDM balcony roof system with a new fully adhered PVC Energy Smart Sarnafil Roofing System; returned 100 98-pound patio pavers to original position with new felt and high density polyethylene protection layers to protect roof, and installed new zinc coated parapet cap.


Bay Square Condos existing EPDM balcony roof section


Section of Bay Square Condos before and after roof replacement


Bay Square Condos completed Sarnafil PVC roofing system

University Green Condominiums

Cambridge, MA - Plaza Waterproofing (1998) - Installation of PVC Sarnafil Waterproofing System 3000 in the 23,000 square foot plaza.

Roof Replacement Phase I (2001): Installation of new PVC Sarnafil Decor Roofing System in patina green color to mimic former standing seam copper roof on front roof section.

Roof Replacement Phase II (2006): Completion of remaining 14,900 square foot roof replacement. Sarnafil Feltback Decor Roofing System with DensDeck Prime roof board installed on 11 sloped roof sections and the 12 barrel roof sections; flat roof sections utilized Sarnafil bareback EnergySmart white membrane. Worked in conjunction with sister company Knollmeyer Building Corporation.

Balcony Waterproofing Phase II (2006): Installation of Sarnafil Waterproofing System 1000 on six elevated patio sections totaling 2,400 square feet, which were each covered by 2 foot by 2 foot pavers. THIRD PLACE WINNER OF 2006 SARNAFIL WATERPROOFING PROJECT OF THE YEAR.


Aerial view of University Green during roof replacement


Completed Sarnafil Decor Roof System on roof sections at University Green Condos


Installation and completed Sarnafil Waterproofing System 1000 at University Green Condos Patios


Installation of Sarnafil Waterproofing System 3000 at UG Condos Plaza; completed plaza shown on right

Concord Square

Boston, MA - Complete replacement of condominium roof with a fully adhered EPDM Carlisle Roofing Systems and Georgia Pacific DensDeck Prime roof board.


Repairing rotted sections of wood deck and installation of new DensDeck roof board at One Concord Square


Completed fully adhered Carlisle Roof at One Concord Square

Dartmouth Street

Newton, MA - Installation of a new PVC Sarnafil Waterproofing System 1000 on a previously leaking elevated balcony.


Installation of the Sarnafil waterproofing membrane at 170 Dartmouth St

Liberty Tree Office Park

Danvers, MA - Removal of existing shingle roof (6100 square feet) and installation of new copper valleys, Grace Ice & Water Shield, and CertainTeed three tab asphalt shingles.


Liberty Tree Park shingle roof section before replacement (left) and after project completion (right)

Hanscom Air Force Base

Bedford, MA - Installation of a new Johns Manville modified tar and gravel roofing system on previously leaking airplane hangar.


Deteriorated roof section at Hanscom Air Force Base

HRCA Laundry Facility

Hyde Park, MA - Installation of new Liquid Plastics Isoclad and Decothane roof coatings over metal deck.


Installation of red Epoxy Metal Primer and completed Isoclad and Decothane roof coating at HRCA Laundry Facility

Harbor View Apartments

Lynn, MA - Installation of Grace Bituthene below grade foundation waterproofing system for underground electrical room and parking garage. Bituthene Low Temperature waterproofing membrane used in conjunction with Bituthene Deck Prep asphalt modified urethane coating to achieve optimal waterproofing during winter application.


"Before" photos of problem area and mold inside where water penetrated the foundation wall at Harbor View Apts


Installation of Bituthene Deck Prep layer and completed waterproofing project awaiting back fill at Harbor View Apts

Edgewood Retirement Community

North Andover, MA - Complete replacement of 14 roof sections with loose laid EPDM (rubber) Carlisle Roofing Systems.


Installation of new loose laid EPDM Carlisle Roof Systems at Edgewood Retirement Community


Completed Carlisle Roof sections at Edgewood Retirement Community

Emery House

West Newbury, MA - Replacement of two elevated balcony plazas and with PVC Sarnafil Roofing System and installation of Grace Bituthene 3000 below grade foundation waterproofing system.


Installation of new Sarnafil roof at the Emery House, and the two finished patio areas


Installation of new Grace Bituthene 3000 waterproofing system at the Emery House

The Meredith Building

Newton, MA - Installation of 18,660 square foot fully adhered EPDM Firestone Roof System.


Removal of existing multiple-layer roof and installation of new rubber roof system at the Meredith Building


Completed Firestone EPDM roof system on the Meredith Building

Charles Condominiums

Famingham, MA - Complete replacement of 10,300 square foot roof. Removal of existing ballasted EPDM roof and tar and gravel roof, and installation of a new fully adhered "Energy Smart" PVC Sarnafil Roofing System.


Removal of existing roofs and installation of new insulation at the Charles Condos


Completed new Sarnafil Roof System at the Charles Condos

Brookside Terrace Apartments

Southbridge, MA - Installation of new wood shakes on select leaking dormers and new asphalt shingles on foyer roof sections on 12 small apartment buildings.


Completed sections of roof and siding on some of the Brookside Terrace Apts

New England Produce Center

Chelsea, MA - Complete replacement of four roof sections, totalling 330,000 square feet. In 2001 and 2002, installed a fully adhered "Energy Smart" PVC Sarnafil Roofing System. Third place winner of Sarnafil Roofing Project of the Year, (full article here - the write-up about Greylock is on page 3).


Installation of new Sarnafil roofing system at the New England Produce Center


Aerial shot of Sarnafil roof at NEPC, and view down one of very long rooftops


Award and completed Sarnafil roof at New England Produce Center

Costa Fruit & Produce Center

Boston, MA - Complete replacement of 65,000 square foot roof section with a fully adhered EPDM (rubber) Carlisle Roofing System.


Completed Carlisle roof at Costa Fruit & Produce Center

One Cambridge Center

Cambridge, MA - Installation of new PVC Sarnafil Waterproofing System in the large plaza area in Kendall Square.


Removal of existing plaza waterproofing system and a tricky detail at One Cambridge Center


Completed Sarnafil Waterproofing System at One Cambridge Center

Seaport Landing Condominiums

Lynn, MA - Removal of existing mansard roof shingles; installation of new Grace Ice & Water Shield and architectural style shingles.


Installation of new architectural shingles at Seaport Landing Condos

Philips Medical Systems

Andover, MA - Installation of 16,000 square foot fully adhered EPDM Versico Roof System.


Roof section to be replaced and installation of DensDeck roof board at Philips Medical

First Church

Roxbury, MA - Installation of roof on new education center between the First Church and Putnam Chapel.


First Church of Roxbury

Longview Condominiums

Cambridge, MA - Removal of existing metal standing seam penthouse roofs. Installation of new wood trim and skylights, and reroofing with Grace Ice & Water Shield and new asphalt shingles.


Installation of Grace Ice & Water Shield and new shingles at Longview Condos

Garage Waterproofing

Removal of existing waterproofing system and installation of new Grace Bituthene waterproofing system on a below-grade garage used to house antique automobiles.


Installation of Grace Bituthene waterproofing system

District Courthouses

Installation of new PVC Sarnafil Roofing System with 15 year warranty coverage at the Salem, Peabody, and East Boston District Courthouses.


Removal of existing roof system and complete Salem District Courthouse roof


Completed PVC Sarnafil Roofing System at East Boston District Courthouses


Completed PVC Sarnafil Roofing System at Peabody District Courthouses

Center Communities of Brookline: Beacon Street

Brookline, MA - Demolition of existing plaza pavers and installation of new Grace Construction Products waterproofing system with new brick pavers at the HRCA Beacon Street facility.