BCI Blog
Insulation Materials & How-To Guides: Page 2
Cellulose, fiberglass, mineral wool, R-values and code requirements explained for New England attics, walls, basements and garages.
20 articles · page 2 of 3
How to Soundproof Walls: Insulation, Mass and Sealing
How to soundproof walls between rooms or units: insulation like mineral wool, extra drywall mass, decoupling, sealing gaps and what to expect from each step.
Knee Wall Insulation: The Hidden Cause of Cold Cape Bedrooms
Why knee walls in capes and finished attics lose so much heat, how to insulate and air seal them properly and when to insulate the roofline instead.
Cathedral Ceiling Insulation: Vented, Unvented and Dense-Pack Options
How to insulate cathedral and vaulted ceilings in Massachusetts: vented vs. unvented, dense-pack, spray foam and preventing condensation.
Attic Insulation Removal: When Old Insulation Has to Go
When old attic insulation should be removed and when it can stay: water damage, mold, rodents, vermiculite and air sealing access, plus how removal is done.
Garage Insulation: Walls, Ceilings and the Wall You Share with the House
How to insulate an attached or detached garage in Massachusetts: the shared wall and ceiling with the house, garage doors, fire code rules and best materials.
How to Insulate Existing Walls Without Gutting Your House
Ways to insulate existing exterior walls in Massachusetts homes: dense-pack cellulose, injection foam, exterior foam during re-siding and opening walls.
Basement Insulation: Walls vs. Ceiling and the Best Materials
How to insulate a Massachusetts basement: insulating walls vs. the ceiling, rim joists, moisture-safe materials, code coverings and finishing considerations.
Types of Home Insulation: A Plain-English Guide for Massachusetts
The main types of home insulation explained: cellulose, fiberglass, mineral wool, spray foam and rigid foam, and where each works best.
Fireblocking Requirements: Where It Goes and What Materials Qualify
What fireblocking is, where residential building codes require it, which materials qualify and how it is inspected in Massachusetts homes and renovations.
Free estimate · No commitment
Stop overpaying for energy.
Fill out the form or reach us directly — we respond within one business day.
10+ Years
Serving New England
HERS Certified
In-house ratings
Mass Save®
Rebates handled
5 States
MA · NH · RI · CT · ME