11 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Port Royal: Barrier South, CR Score 56/100; 4.8★ from 22 Google reviews.
Most-reviewed: Low Country Ducts, 320 Google reviews at 5.0★, the most of 11 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
11 Port Royal insulation contractors are ranked here by CR Score, from ten published factors. 2 open Saturdays, based on posted hours. The median Google rating is 5.0★ across 11 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Barrier South | 56 | 4.8★ (22) | Beaufort, 3 mi away | — | Overall |
| 2 | Atlantic Spray Foam | 54 | 4.4★ (39) | Bluffton, 12 mi away | — | — |
| 3 | East Coast Foam LLC | 54 | 5.0★ (7) | Beaufort, 4 mi away | — | — |
| 4 | Low Country Ducts | 54 | 5.0★ (320) | Bluffton, 14 mi away | — | Most reviews |
| 5 | Ecofoam Insulation and Coatings | 54 | 4.8★ (76) | Hardeeville, 24 mi away | — | — |
| 6 | Island Spray Foam LLC | 53 | 5.0★ (22) | Bluffton, 18 mi away | — | — |
| 7 | Efficient Foam & Insulation | 53 | 5.0★ (5) | Bluffton, 14 mi away | Sat | — |
| 8 | Palms spray foam | 51 | 5.0★ (13) | Bluffton, 21 mi away | — | — |
| 9 | Coastal Foam and Insulation | 50 | 5.0★ (10) | Hardeeville, 23 mi away | — | — |
| 10 | ES Foam LLC | 50 | 5.0★ (5) | Bluffton, 19 mi away | — | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and trade focus: 4.8★ from 22 Google reviews, listed on Google as “Insulation contractor”.
Based in Bluffton, 12 mi away
Ranked #2 because of its Google rating and trade focus: 4.4★ from 39 Google reviews, listed on Google as “Insulation contractor”.
Based in Beaufort, 4 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based in Bluffton, 14 mi away
Ranked #4 because of its Google rating and review volume: 5.0★ from 320 Google reviews, the most in Port Royal.
Based in Hardeeville, 24 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 76 Google reviews, listed on Google as “Insulation contractor”.
Based in Bluffton, 18 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Insulation contractor”.
Based in Bluffton, 14 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based in Bluffton, 21 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Insulation contractor”.
Based in Hardeeville, 23 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Insulation contractor”.
Based in Bluffton, 19 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based in Beaufort, 8 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Painter”.
11 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 |
|---|---|---|
| Airtight Sprayfoam | 14 mi | |
| Coastal Foam & Insulation | 3.0★ (2) | 12 mi |
| Coastal Foam & Insulation | 8 mi | |
| Coastal Foam and Insulation | 12 mi | |
| Elm Energy Group | 5.0★ (1) | 22 mi |
| Energy Solution Coatings LCC | 4.0★ (2) | 19 mi |
| Insulation by Cohen's | 5.0★ (1) | 24 mi |
| Sealtight Insltn | 1.0★ (1) | 14 mi |
| Southern Foam & Coating Inc | 5.0★ (1) | 18 mi |
| Tidal Foam Insulation | 7 mi | |
| TopMark Insulation Inc. | 12 mi |
National price ranges in USD, not adjusted for Port Royal. 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 11 Port Royal 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 Port Royal 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 |