Spray foam · Blown-in · Crawl space · Whole-home

Nashville's Insulation Experts

Nashville's trusted experts in home insulation — lower bills, steady comfort, no guesswork.

Get your budget estimate →
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Get your budget estimate

Answer 4 quick questions — ballpark range in under a minute.

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What needs insulating?

Pick the area you want us to work on.

🏠 Attic
🧱 Walls
🪵 Crawl space
🏡 Whole home

What type of property?

Helps us match crew and materials.

🏠 Single-family home
🏘️ Townhome / Condo
🏗️ New construction
🏢 Commercial

Roughly how much area?

A guess is fine — drag the slider.

1,200 sq ft

When are you hoping to start?

No pressure — exploring is welcome.

⏱️ As soon as possible
📅 Within 1–3 months
🔎 Just exploring
📝 Comparing quotes

Where should we send your estimate?

Email and phone are required so we can send the figure and one quick follow-up.

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Your ballpark estimate

$1,900 – $3,800

This is a rough range for attic insulation at 1,200 sq ft. For an exact figure, send a short video or a description of the problem on WhatsApp and we'll price it the same day.

Send a video on WhatsApp

Nashville's Insulation Company

The right material for every space.

Not every home needs the same insulation. Tap a type to see where it fits best and what it does for comfort and bills.

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Energy efficiency

Best applied to attics, rim joists and remodel projects.

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Sound control

A cost-effective way to quiet rooms between floors.

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Healthier home

Pairs sealing with ventilation to cut moisture and dust.

Best for · Attics · Rim joists · Walls Expanding foam that seals and insulates in one pass, stopping air leaks other materials miss. Ideal for irregular cavities and the highest R-value per inch — the premium choice for whole-home performance.
Best for · Attics · Existing walls Recycled, dense-packed fibre blown into place to fill gaps completely. A budget-friendly, high-coverage option that's excellent for topping up under-insulated attics in older Nashville homes.
Best for · New builds · Open walls · Floors Pre-cut rolls fitted between studs and joists. The most cost-effective choice for new construction and accessible cavities, with solid thermal and sound performance.
Best for · Sound rooms · Fire safety · Basements Dense rock-based batts that resist fire and dampen sound far better than fiberglass. The go-to for media rooms, shared walls and areas where moisture and fire resistance matter.
Best for · Hot attics · Summer comfort A reflective layer stapled in the attic that bounces radiant heat back out. Pairs with traditional insulation to tame those brutal Tennessee summer attic temperatures and ease AC load.
Best for · Crawl spaces · Moisture control A sealed vapour barrier plus rigid foam that locks out humidity and ground moisture. Stops mould, protects ductwork and makes floors noticeably warmer underfoot.
What people say

Reviews from Nashville homes.

Residential and commercial work across Davidson and Williamson County — here's how it went.

★★★★★
"Our upstairs was unusable in July. After the attic was sealed and re-insulated it finally holds temperature — and the August bill dropped noticeably."
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Latisha M. CasillasBelle Meade
★★★★★
"Crew showed up on time, laid down covers everywhere, and walked me through the thermal images before and after. No upsell, just honest work."
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Diane P. WuestEast Nashville
★★★★★
"Crawl space encapsulation fixed the damp smell we'd fought for years. The floors are warmer and the whole house feels drier."
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Marcus ReedFranklin
★★★★★
"Got the WhatsApp estimate the same evening I sent a video. Final price matched the quote exactly. That kind of straightness is rare."
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Sofia AlvarezBrentwood

→ Scroll for more reviews

Latest projects

Projects we've completed.

Professional insulation for existing buildings and new construction, residential and commercial.

01 Attic insulation project
Attic · Blown-in

Attic Insulation Installation

Belle Meade, Nashville
02 Spray foam project
Walls · Spray foam

Whole-Home Spray Foam

East Nashville
03 Crawl space project
Crawl space

Crawl Space Encapsulation

Franklin, TN
04 Commercial insulation project
Commercial

Office Envelope Sealing

The Gulch, Nashville
05 New build insulation
New construction

New Build Batt Install

Brentwood, TN
06 Home safety check
Audit

Home Safety & Carbon Check

Green Hills, Nashville
Modern Nashville home
Services we provide

Existing homes, retrofits & new construction.

Whether you're fighting cold rooms, topping up tired attic insulation, or specifying the envelope for a brand-new property, we handle the full job — assessment, materials and clean installation.

Every project starts with an inspection so you know exactly what you're paying for, and why.

Get an estimate →
Sealed and insulated home
Whole-home approach

We Can Seal an Entire Home.

Re-insulating, adding to what's already there, or starting fresh on a new property — Cumberland is built to seal the whole envelope, not just patch one room.

Air sealing and insulation together is where the real comfort and savings come from. We treat the house as one system.

See the details →
Good to know

Frequently asked questions.

Straight answers before you ever pick up the phone.

Most attic projects land between $1,500 and $4,500 depending on size, material and condition. The fastest way to a real number is our estimate calculator, then a short WhatsApp video for an exact same-day quote.

The federal 25C credit expired on December 31, 2025, so 2026 projects no longer qualify federally. We'll point you to any Tennessee state and local utility rebates that still apply — and even without incentives, insulation typically pays for itself in lower bills within a few years.

Most attic and crawl-space jobs are done in a single day. Whole-home spray foam or larger commercial work can run two to three days. We give you the timeline up front with the quote.

Yes. Once cured it's inert and stays put for the life of the home. We follow ventilation and cure-time best practice on every install, and we're happy to explain the process before we start.

We offer flexible monthly payment plans so the upgrade can pay for itself out of the energy savings. Ask about options when you get your estimate.

All of Greater Nashville — Belle Meade, East Nashville, Green Hills, Brentwood, Franklin and surrounding Davidson and Williamson County neighbourhoods.

How it works

From estimate to insulated.

Reliable insulation since 2001 — we don't just insulate houses, we insulate comfort.

01

Get an instant estimate

Use the budget calculator above for a ballpark range in under a minute.

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Share a video on WhatsApp

Send a quick clip or describe the problem and we price it exactly — same day.

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Book your inspection

We confirm scope on-site so the quote is the price you actually pay.

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We insulate, you save

Clean install, then steadier comfort and lower bills for decades.

Want an exact price?

Get a ballpark from our calculator, or send a video / describe the problem on WhatsApp for a same-day quote.

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