Amherst Insulation & Firestop Service, Inc., specializes in industrial insulation and firestopping for schools, hospitals, facilities, and the construction industry. We have a proven record of success with over 20 years experience.

Barber Firestop systems has just signed agreements with the Pipefitters Local 777 and Insulators Local 33. These plus our agreements with the Carpenter’s and Mason’s Unions make us uniquely qualified to accommodate firestopping needs in… Read More

Gleeson Powers is one of the leading Specialty Firestop and Life Safety Contractors in the Northeast. We are both UL Qualified and FM 4991 Approved Firestop Contractors, and have been providing professional expertise to our clients since 1992. Our… Read More

Northeast Firestopping Solutions (NFS) is one of America’s premier Factory Mutual (FM) 4991 & Underwriters Laboratory (UL) Approved, full-service firestopping contractors headquartered in Saco, Maine. We offer our clients industry leading… Read More

Phoenix Firestop provides code compliant installations of penetration and joint firestop systems. With product training from 3M, Hilti, and STI we are able to provide the best firestop solution for every application. We have detailed knowledge of… Read More

Specialty contractor with focus on mechanical, plumbing, power plant insulation and firestopping.