Fiber Fit Insulation Inc.

Mechanical Insulation. Done Right. Since 1984

Fiber Fit Insulation is Greater Boston's trusted mechanical insulation contractor. For more than 40 years, we have delivered high quality insulation systems for commercial, industrial, and institutional projects throughout the region.

Our experienced team works closely with mechanical and plumbing contractors, building owners, and facility managers to provide dependable solutions for piping, ductwork, equipment, and specialty systems. From new construction and major renovations to ongoing facility upgrades, Fiber Fit is known for quality workmanship, responsive service, and the ability to perform on demanding projects.