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

Walls, Floors & Crawl Spaces

Basement insulation that makes below-grade rooms warmer, drier and ready to live in

Concrete walls pull heat and moisture into the house. Foam board, spray foam and framed walls turn a basement into usable space.

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Basement Insulation

Bare concrete is cold and damp, and fiberglass against it can trap moisture and grow mold. Good basement insulation starts with a layer that does not absorb water, such as rigid foam board or closed-cell spray foam, with framing and finish materials added in front.

We insulate basements for homes across Nashville and Middle Tennessee. We deal with leaks and humidity first, apply foam to the walls and rim joist, frame insulated walls where needed and leave the space ready for finishing.

What you get

Done right, from the first walk-through

01

Foam against the concrete

Moisture-safe first layer.

02

Rim joist sealed

A top source of drafts closed.

03

Framed walls option

Studs and batts in front of the foam.

04

Moisture checked first

Leaks and humidity handled before we insulate.

The process

How your service comes together

  1. 1

    Inspect for moisture

    We check walls, floors and drainage first.

  2. 2

    Insulate the walls

    Foam board or spray foam goes on, then framing if needed.

  3. 3

    Finish the details

    Rim joist, windows and penetrations are sealed.

FAQ

Common questions about basement insulation

Can I put fiberglass against a basement wall?

Not directly. Concrete can wick moisture into it. Use foam against the wall first.

Do I need a vapor barrier in the basement?

It depends on the assembly. We design the layers so moisture is not trapped.

Will insulation fix a damp basement?

No. Water problems are solved with drainage and waterproofing, then insulation goes in.

Related services

Often planned together

Rim Joist Spray Foam Rim Joist Spray FoamFoam on the rim joist that stops drafts and cold floors.Learn more Closed-Cell Spray Foam Closed-Cell Spray FoamDense foam with high R-value in a thin, moisture-resistant layer.Learn more Moisture & Condensation Control Moisture & Condensation ControlStop moisture where it starts, with air sealing, vents and vapor control.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 basement insulation

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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