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

Walls, Floors & Crawl Spaces

Crawl space encapsulation that seals the ground and walls and stops humid air at the foundation

A heavy liner on the floor and walls, sealed seams, closed vents and a dehumidifier turn a damp crawl space into a clean, dry one.

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Crawl Space Encapsulation

Tennessee summers push humid air into vented crawl spaces, where it condenses on cool surfaces. Wood can rot, floors can sag, mold can grow and the house above pays for it. Encapsulation seals the space instead of fighting the air with vents.

We encapsulate crawl spaces across Nashville and Middle Tennessee. We clean the space, repair what is needed, install a heavy liner up the walls, seal seams and piers, close the vents, add insulation and set up dehumidification to keep humidity in range.

What you get

Done right, from the first walk-through

01

Heavy ground and wall liner

Seams taped and sealed.

02

Vents closed

Humid outdoor air kept out.

03

Dehumidifier

Humidity kept in a safe range.

04

Wall insulation

Foam or board on the foundation walls.

The process

How your service comes together

  1. 1

    Inspect and clean

    We check for water, rot and pests and prepare the space.

  2. 2

    Install the liner

    The liner goes down the floor and up the walls, seams sealed.

  3. 3

    Seal and condition

    Vents are closed and a dehumidifier is set up.

FAQ

Common questions about crawl space encapsulation

Is a closed crawl space really better than a vented one?

In humid climates, sealing the space and controlling humidity generally works better than relying on vents.

Will encapsulation fix standing water?

No. Water is fixed with drainage and sump systems first, then the space is encapsulated.

How long does it last?

A properly installed liner and seal stay in place for a long time, and we show you what to check.

Related services

Often planned together

Crawl Space Vapor Barrier Crawl Space Vapor BarrierA heavy ground barrier that stops soil moisture from rising.Learn more Crawl Space Spray Foam Crawl Space Spray FoamFoam on crawl space walls that stops damp air at the foundation.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 crawl space encapsulation

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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