BCI Insulation
Fiberglass Insulation. Proven, Reliable, Cost-Effective.
Traditional fiberglass batts and rolls professionally installed in new construction and renovation projects across Worcester County.
About Fiberglass
The industry standard, installed to perform.
Fiberglass batts and rolls are the most widely used insulation material in North America. When properly installed with correct vapor barriers and air sealing, fiberglass delivers reliable R-value performance at a competitive cost. BCI Insulation's certified crews ensure proper fit, coverage, and code compliance on every project.
Fiberglass Batts
Pre-cut sections designed to fit standard stud and joist spacing. Available in multiple R-values for walls, floors, and ceilings. Fast installation for new construction projects.
Best for: New construction · Standard framing · Walls · Attic floors
Fiberglass Rolls
Continuous rolls for large, open areas like attic floors. Ideal for DIY-friendly layouts and situations requiring custom cutting to fit irregular framing or around obstacles.
Best for: Attics · Large areas · Custom sizing · Renovation projects
Applications
Where fiberglass performs.
Exterior Walls
New construction exterior walls insulated to code with proper vapor barrier installation.
Attic Floors
R-38 to R-49 attic floor insulation meeting Massachusetts energy code requirements.
Cathedral Ceilings
Properly vented cathedral ceiling assemblies with correct R-value for New England climate.
Floors
Floors over unconditioned crawl spaces, garages, and unheated basements.
Interior Walls (Sound)
Sound-dampening fiberglass batts for interior partition walls between rooms.
New Construction
Complete new construction insulation packages for residential and light commercial projects.
Results
Cost-effective performance you can count on.
R-21
Wall R-value
Meets Massachusetts energy code requirements for exterior walls in new construction.
Class A
Fire resistance
Non-combustible glass fibers that don't feed flames — fire-safe and code-compliant.
100%
Code compliant
Proper vapor barriers, R-values, and air sealing meeting Massachusetts building code.
50+
Years proven
Decades of tested, reliable performance in New England climate conditions.
Why BCI Insulation
Installed right. The first time.
Proper fiberglass installation requires attention to detail — correct vapor barriers, no compression, proper coverage. BCI Insulation's certified crews get it right every time.
Free estimate · No commitment
Stop overpaying for energy.
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10+ Years
Serving New England
HERS Certified
In-house ratings
Mass Save®
Rebates handled
5 States
MA · NH · RI · CT · ME