Big City Insulation
of Idaho
Call for a FREE estimate today! 208-488-4962

What Is Blanket Insulation?

If you’re trying to save money at home this fall (and beyond), you may want to consider insulating! Perhaps you’re already starting to research the different types of insulation. Not sure which kind is best for your project? You’ve probably seen the term “blanket insulation” a few times. It’s one of the most widely installed materials, used for both new home construction and retrofit jobs.

Blanket Insulation

If you’re ready to begin your project, get in touch with Big City Insulation of Idaho by calling 208-488-4962 or filling out the form on this page—or keep reading to learn more!

Blanket Insulation Installation

What is blanket insulation? One of the most commonly installed types of insulation, blanket insulation comes in the form of batts or rolls. Batt insulation is available in pre-cut panels. Roll insulation comes with and without facing, and continuous rolls can be cut and trimmed to fit the space you need to fill. Batts and rolls are often made of fiberglass but can also be made from mineral (rock and slag) and other materials.

Blanket insulation is typically installed in spaces without many obstructions (pipes, wiring, etc.)—such as unfinished walls (including foundation walls), floors and ceilings. It is fitted between joists, studs and beams and is often used in new construction projects.

Blanket insulation can also be used as acoustical insulation for commercial buildings, as well as a thermal material for areas inside the home (it’s often used as attic insulation).


The R-value of fiberglass blanket insulation depends on its thickness. It has an R–value of approximately R-2.9 to R-3.8 per inch of thickness. High-performance fiberglass blanket and batt insulation have R-values between R-3.7 and R-4.3 per inch of thickness.

R-value can be a bit difficult to understand—but you’ll get all the information you need talking to an insulation professional.

Boise Area Insulation Contractors

No matter your insulation needs, Big City Insulation of Idaho is a good name to know if you live in Boise or a surrounding area. Contact us to learn more about our services or if you’re ready for a FREE estimate—contact us today!

Services We Provide
Residential Insulation

Our insulation team adds energy efficiency, comfort and value to new and existing homes.

Commercial Insulation

Big City Insulation of Idaho is a leading installer of commercial fiberglass, rigid board and rockwool insulation.

Insulation Removal

Big City Insulation of Idaho provides home insulation removal services.

Window Coverings

Our team provides professional window blind and shutter installation for your home or business.

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