36 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Signal Mountain: Foametix of Chattanooga, CR Score 60/100; 4.9★ from 108 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Home Town Spray Foam, posts 24/7 hours; ranked #2 of 36.
Most-reviewed: AFS Foundation & Waterproofing Specialists, 1,330 Google reviews at 4.9★, the most of 36 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
36 Signal Mountain insulation contractors are ranked here by CR Score, from ten published factors. 5 are open 24/7, 14 open Saturdays and 11 open Sundays, based on posted hours. The median Google rating is 4.9★ across 36 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Foametix of Chattanooga | 60 | 4.9★ (108) | Chattanooga, 8 mi away | Sat · Sun | Overall |
| 2 | Home Town Spray Foam | 59 | 5.0★ (23) | Fairview, 8 mi away | 24/7 | Emergencies |
| 3 | AFS Foundation & Waterproofing Specialists | 59 | 4.9★ (1,330) | Chattanooga, 6 mi away | Sat · Sun · Evenings | Most reviews |
| 4 | Foam Guys - Chattanooga | 59 | 5.0★ (21) | Chattanooga, 3 mi away | Sat · Sun · Evenings | — |
| 5 | Northwest Exterminating - Chattanooga | 58 | 4.7★ (341) | Chattanooga, 6 mi away | — | — |
| 6 | Koala Insulation of Chattanooga | 58 | 4.9★ (258) | Soddy-Daisy, 10 mi away | — | — |
| 7 | Volunteer NDT Corporation | 57 | 4.4★ (8) | Chattanooga, 6 mi away | 24/7 | — |
| 8 | Crawlspace Doctor of Chattanooga | 56 | 4.9★ (67) | Chattanooga, 6 mi away | — | — |
| 9 | Icon Insulation | 56 | 5.0★ (6) | Chattanooga, 5 mi away | Sat · Sun · Evenings | — |
| 10 | USA Insulation of Chattanooga | 56 | 4.9★ (57) | Chattanooga, 7 mi away | — | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 108 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fairview, 8 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga, 6 mi away
Ranked #3 because of its Google rating and review volume: 4.9★ from 1,330 Google reviews, the most in Signal Mountain.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga, 3 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga, 6 mi away
Ranked #5 because of its Google rating and trade focus: 4.7★ from 341 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Soddy-Daisy, 10 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 258 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga, 6 mi away
Ranked #7 because of its Google rating and trade focus: 4.4★ from 8 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga, 6 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 67 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga, 5 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga, 7 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 57 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga, 11 mi away
Ranked #11 because of its Google rating and review volume: 4.6★ from 343 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga, 8 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga, 4 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Collegedale, 16 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 185 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga, 8 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cleveland, 25 mi away
Ranked #16 because of its Google rating and review volume: 5.0★ from 527 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga, 9 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga, 9 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 27 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga, 4 mi away
Ranked #19 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Chattanooga, 5 mi away
Ranked #20 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga, 13 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 28 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in LaFayette, 24 mi away
Ranked #22 because of its Google rating and review volume: 4.9★ from 197 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in East Ridge, 10 mi away
Ranked #23 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga, 6 mi away
Ranked #24 because of its Google rating and trade focus: 4.6★ from 8 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga, 8 mi away
Ranked #25 because of its Google rating and trade focus: 4.2★ from 13 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #36, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Energy Duct | 52 | 5.0★ (36) | 10 mi |
| 27 | Chattanooga Roofing Contractors | 52 | 5.0★ (27) | 8 mi |
| 28 | Spray Foam Concepts | 52 | 4.4★ (7) | 9 mi |
| 29 | Shelter Foam | 52 | 5.0★ (3) | 6 mi |
| 30 | 31-W Insulation | 51 | 4.1★ (33) | 6 mi |
| 31 | Insulation Commandos of Greater Chattanooga | 51 | 5.0★ (14) | 20 mi |
| 32 | Spray Foam Insulation Systems | 50 | 4.9★ (8) | 17 mi |
| 33 | iFoam LLC Chattanooga | 50 | 3.0★ (4) | 17 mi |
| 34 | Tri-Star Spray Foam Insulation | 48 | 5.0★ (5) | 21 mi |
| 35 | SPI - Specialty Products and Insulation Inc. | 47 | 4.2★ (6) | 10 mi |
| 36 | Therm-Con, LLC | 45 | 3.9★ (43) | 11 mi |
16 more insulation contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| Abg Caulking & Waterproofing | 10 mi | |
| Anthem Insulation & Home | 5.0★ (2) | 8 mi |
| Apex Foam & Finishing, LLC | 8 mi | |
| B&B Thermal Insulation, Inc. | 6 mi | |
| Cleveland Spray Foam Solutions | 17 mi | |
| Drynamic Studio | 3 mi | |
| Foster Insulation | 5.0★ (1) | 13 mi |
| Halchak Remodeling Company LLC | 5.0★ (1) | 11 mi |
| Hernandez foam LLC | 3.0★ (1) | 24 mi |
| Moreno's group llc | 4.0★ (1) | 5 mi |
| Pittman Construction | 25 mi | |
| Sci Remediating | 10 mi | |
| Sealed Up Spray Foam | 11 mi | |
| Signet Contracting Inc | 10 mi | |
| Spray Foam Insulation | In Signal Mountain | |
| SprayFoamEtc | 10 mi |
National price ranges in USD, not adjusted for Signal Mountain. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Attic insulation | $1,700 | $2,100 | $2,500 | Per attic: typical range of customer-reported jobs (about $1 to $3 per sq ft). US national range | October 2026 |
We scored 36 Signal Mountain insulation contractors on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Signal Mountain data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |