Cellulose, mineral wool and rigid foam insulation stacked in a renovation garage

BCI Blog

Insulation Materials & How-To Guides: Page 3

Cellulose, fiberglass, mineral wool, R-values and code requirements explained for New England attics, walls, basements and garages.

Free estimate · No commitment

Stop overpaying for energy.

Fill out the form or reach us directly — we respond within one business day.

Free, no-obligation estimate
Mass Save® rebates handled end-to-end
Licensed & insured contractors
Engineering-grade energy assessments
Serving MA · NH · RI · CT · ME

10+ Years

Serving New England

HERS Certified

In-house ratings

Mass Save®

Rebates handled

5 States

MA · NH · RI · CT · ME