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615 Siding, siding contractor in Nashville TN 615-431-3789

Weatherproofing & Moisture Protection

Exterior foam insulation under new siding for a warmer, tighter, more comfortable house

A siding replacement is a good moment to add insulation to the outside of the wall, covering thermal gaps that stud-cavity insulation cannot.

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Exterior Foam Insulation

Studs conduct heat much better than insulation does, so a wall that looks well-insulated still leaks energy along every framing member. Rigid foam installed on the outside of the sheathing covers those studs, reduces heat flow and helps keep the wall sheathing warmer and drier.

We install exterior foam insulation across Nashville and Middle Tennessee as part of siding projects. We select the right thickness for the siding type, tape and seal the seams so the foam doubles as an air barrier where appropriate, extend window and door trim to suit the added depth and fasten the siding properly through the foam.

What you get

Done right, from the first walk-through

01

Continuous insulation

Foam over the studs, not just between them.

02

Taped seams

Joints sealed to limit air leaks.

03

Trim adjustments

Window and door trim sized for the extra depth.

04

Proper fastening

Siding attached through the foam correctly.

The process

How your service comes together

  1. 1

    Plan the build-up

    We choose foam type and thickness for the home.

  2. 2

    Install and seal

    Foam is fastened, taped and flashed.

  3. 3

    Side over it

    Siding and trim go on with correct fasteners and spacers.

FAQ

Common questions about exterior insulation

How much insulation will exterior foam add?

It depends on the thickness and product. We explain the added value for your wall in plain terms.

Will it change how windows look?

Trim and sills are adjusted so openings look natural, and we show you the detail.

Can I add foam without replacing siding?

No. The old siding must come off to install foam, so it pairs well with a siding replacement.

Let us help with your exterior insulation

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

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