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Blanket Insulation: What Is It & How Does It Work?

If you’re trying to think of ways to save money this winter, consider installing insulation. If you do need to insulate your home, do you know what kind of insulation you should install? Blanket insulation is one of the most widely used types of insulation, installed for both new construction and retrofit (re-insulation) projects.

If you’re ready for insulation installation, get in touch with Tidewater Insulators by calling 757-828-0024 or filling out the form in the sidebar—or keep reading to learn more about blanket insulation.

Blanket Insulation Installation

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 thermal insulation for areas inside the home (often in attics).


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.

Southeastern VA Insulation Installers

No matter your insulation needs, Tidewater Insulators is a good name to know if you live in Norfolk, Virginia or a surrounding area. Contact us to learn more about our services or if you’re ready for a FREE estimatecontact us today!

services we offer

We install insulation in new and existing homes.

Energy Audits

We provide energy audits to help homeowners save money and live more comfortably.


We provide comprehensive gutter services for new and existing homes.

Shower Doors

We install shower doors in new and existing homes.

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