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

Air Sealing, Comfort & Efficiency

Whole-home air sealing that closes leaks from the attic to the crawl space

Air sealing the entire house stops drafts, dust and humidity at the source and makes every other upgrade work better.

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Whole-Home Air Sealing

Leaks are everywhere: top plates, outlets, can lights, plumbing and wiring holes, chases, rim joists, window and door frames. Together they add up to an open window in the side of the house. Sealing them is one of the most useful things you can do for comfort.

We air-seal homes across Nashville and Middle Tennessee, working from the attic down to the crawl space with foam, caulk, tape and covers. We use a blower door to find leaks and to measure the result.

What you get

Done right, from the first walk-through

01

Attic floor and top plates

The biggest leaks first.

02

Chases, wires and pipes

Penetrations sealed.

03

Rim joist and sill

Foundation gaps closed.

04

Blower door guided

We measure what we fixed.

The process

How your service comes together

  1. 1

    Test and find leaks

    A blower door test shows where air gets in and out.

  2. 2

    Seal the home

    Leaks are sealed from top to bottom.

  3. 3

    Retest and report

    We repeat the test and share the improvement.

FAQ

Common questions about whole-home air sealing

Will sealing the house make the air stale?

A house needs fresh air, and we check ventilation and combustion safety so a tighter house is still healthy.

What are the most common leaks?

Attic floor penetrations, rim joists, recessed lights and duct boots.

Is it worth doing without new insulation?

Yes. Many homes feel much better after sealing alone.

Related services

Often planned together

Attic Air Sealing Attic Air SealingHidden gaps sealed before insulation goes down.Learn more Blower Door Testing Blower Door TestingA fan test that measures and finds your house's air leaks.Learn more Duct Sealing & Insulation Duct Sealing & InsulationSealed, insulated ducts that deliver the air you paid to heat or cool.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 whole-home air sealing

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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