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615 Insulation, insulation company in Nashville TN 615-431-3789

Spray Foam Insulation

Closed-cell spray foam that adds high R-value in a thin layer and resists moisture

Dense, rigid foam packs more insulation into less space, blocks air and water vapor and adds strength to the surface it covers.

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Closed-Cell Spray Foam

Closed-cell foam is a firm, dense plastic foam made of tiny sealed cells. It delivers more R-value per inch than any other common insulation, forms an air barrier and stands up to moisture, which makes it a favorite for crawl space walls, rim joists, metal buildings and tight spaces.

We use closed-cell foam in crawl spaces, basements, rim joists, garages, metal buildings and shallow rafters across Nashville and Middle Tennessee. We control thickness with depth checks, spray in passes so the foam cures properly and leave a clean, even finish.

What you get

Done right, from the first walk-through

01

High R-value per inch

Strong performance in tight spaces.

02

Moisture resistance

Stands up to damp walls and crawl spaces.

03

Air and vapor barrier

Blocks air leaks and water vapor.

04

Added rigidity

Stiffens the surface it is sprayed on.

The process

How your service comes together

  1. 1

    Plan the thickness

    We pick the depth for the space and the goal.

  2. 2

    Spray in passes

    Foam goes on in controlled lifts and is checked with a depth gauge.

  3. 3

    Finish and inspect

    We clean up and review the finished surfaces with you.

FAQ

Common questions about closed-cell spray foam

When is closed-cell the better choice?

Where space is tight, moisture is a concern or you want a vapor barrier, such as crawl space walls, rim joists and metal buildings.

Does it need a thermal barrier?

In many places building code asks for a fire-rated covering over exposed foam in living areas. We explain what your space needs.

Can foam be applied over old insulation?

No. Old insulation is removed first so the foam bonds to the framing and seals properly.

Related services

Often planned together

Open-Cell Spray Foam Open-Cell Spray FoamLight, flexible foam that seals and insulates in one pass.Learn more Crawl Space Spray Foam Crawl Space Spray FoamFoam on crawl space walls that stops damp air at the foundation.Learn more Rim Joist Spray Foam Rim Joist Spray FoamFoam on the rim joist that stops drafts and cold floors.Learn more

Service areas

Nashville and the cities all around it

From Clarksville to Shelbyville and Dickson to Cookeville, pick your city to see the insulation, spray foam and air sealing work we handle in your part of Middle Tennessee.

Nashville Antioch Arrington Bellevue Brentwood Clarksville College Grove Columbia Cookeville Dickson Fairview Franklin Gallatin Goodlettsville Hendersonville Hermitage La Vergne Lebanon Madison Mt. Juliet Murfreesboro Nolensville Shelbyville Smyrna Spring Hill Springfield Thompson's Station White House

Not on the list? Call 615-431-3789. We take projects across Middle Tennessee.

Let us help with your closed-cell spray foam

Call, text or send the form. Tell us about the building, what bothers you and when you hope to start, and we will take it from there.

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