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Founded In: 1992
Annual Vol: Undisclosed

Our Story

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Established in 1992, Gleeson Powers is a specialty commercial contractor, offering firestopping and other passive fire protection solutions as well as air & vapor barrier, waterproofing, caulking and spray foam insulation. Our services focus thermal and moisture protection - sealing and protecting new and existing buildings from the impact of fire & heat, air, water and sound. We provide professional expertise on new construction and renovation projects for commercial, healthcare, life science, institutional and municipal clients.

Experience ... the difference

We pride ourselves on being leaders in our industry. Gleeson Powers is an FM (Factory Mutual) 4991 Approved Firestop Contractor and a UL (Underwriters Laboratories) Qualified Firestop Contractor, and is one of the leading single-source contractors specializing in the installation of firestop systems and smokeseal products. We are an ABAA (Air Barrier Association of America) accredited contractor in the application of fluid applied and self-adhered membrane air barrier systems as well as in spray foam insulation applications.

Our team is actively engaged in industry and trade associations such as the FCIA, ASM, AGC, ASHE, NEHES, and HFMADV. Our founder, Aedan Gleeson, was the first president and a founding member of the Firestop Contractors International Association FCIA) . He was instrumental in the development of highly respected third-party accreditation programs for the firestop industry - the Factory Mutual (FM) 4991 and Underwriters Laboratories (UL) Qualified Firestop Contractors programs. We have 5 Designated Responsible Individuals (DRIs) on staff, a CHC (Certified Healthcare Constructor), Intertek trained and certified fire door inspectors, FIT Level 1 & 2 firestop installers, and a fully trained workforce in each of our specialty trades.

We are also the developers of the Life Safety Tracker System®, a customized fire barrier management software that has helped solidify fire barrier management and documentation as best practice in life safety compliance.

Our Mission

Gleeson Powers is firmly committed to providing the best possible service and quality to our customers. We take a professional approach and insist on the highest standards of workmanship, safety, and customer service. Simply put, we help our clients stay compliant.

"We Help Our Clients Stay Compliant"

Service Areas

We offer firestopping and other specialty construction services throughout New England and the Northeast including: Massachusetts, Rhode Island, New York, New Jersey, Pennsylvania, Connecticut, New Hampshire, Delaware, and Maryland.

What We Do

Products/Services Relating to Caulking Contractors
Products/Services Relating to Waterproofing Contractors
Products/Services Relating to Air & Vapor Barriers
Products/Services Relating to Firestopping Contractors
Products/Services Relating to Dampers--Fire & Smoke
Products/Services Relating to Insulation Contractors--Cold & Heat

Project Experience

Service Sector:
Public Private
Project Size:
Up to $1,000,000

Service Areas

Preferred Brands & Manufacturers

Bio Fireshield
Bio Fireshield
Carlisle Construction Materials
Carlisle Construction Materials
Nelson Firestop
Nelson Firestop
STI (Specified Technologies Inc.)
STI (Specified Technologies Inc.)

Associations & Memberships

Member of ABAA (Air Barrier Assn. of America) ABAA (Air Barrier Assn. of America)
Member of APPA (Assn. of Higher Education Facility Officers) APPA (Assn. of Higher Education Facility Officers)
Member of ASHE (American Society for Healthcare Engineers) ASHE (American Society for Healthcare Engineers)
Member of ASM (Associated Subcontractors of Massachusetts) ASM (Associated Subcontractors of Massachusetts)
Member of FCIA (Firestop Contractors International Assn.) FCIA (Firestop Contractors International Assn.)
Member of FDAI (Fire & Door Assembly Inspection) FDAI (Fire & Door Assembly Inspection)
Member of FM Approved FM Approved
Member of HFMADV (Healthcare Facility Managers Assn. of Delaware Valley) HFMADV (Healthcare Facility Managers Assn. of Delaware Valley)
Member of Hilti Accredited Firestop Specialty Contractor Hilti Accredited Firestop Specialty Contractor
Member of ICRI (International Concrete Repair Institute) ICRI (International Concrete Repair Institute)
Member of IFC (International Firestop Council) IFC (International Firestop Council)
Member of LSO (Life Safety Organization) LSO (Life Safety Organization)
Member of NFPA (National Fire Protection Assn.) NFPA (National Fire Protection Assn.)
Member of SWRI (Sealant Waterproofing & Restoration Institute) SWRI (Sealant Waterproofing & Restoration Institute)
Member of UL Qualified Firestop Contractors Program UL Qualified Firestop Contractors Program
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