Thermal Seal ExpertsInsulation contractor in Wilmington, DE
Thermal Seal Experts is an insulation contractor at 1104 Kirkwood Hwy, Wilmington, DE 19805. Open 7 days a week.
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Key facts
| Address | 1104 Kirkwood Hwy, Wilmington, DE 19805Get directions |
|---|---|
| Phone | (302) 993-0720 |
| Hours | Monday to Sunday: 8 AM – 11 PM |
Trades
Each trade shows the evidence we matched it on.
- Insulationmain tradeGoogle main category
Service area
Serves Wilmington and 11 towns within 25 miles: Elsmere, Wilmington Manor, Pike Creek Valley, Edgemoor, New Castle, Pike Creek, Hockessin, North Star, Bear, Brookside and Claymont.
Opening hours
| Day | Hours |
|---|---|
| Monday | 8 AM – 11 PMevening |
| Tuesday | 8 AM – 11 PMevening |
| Wednesday | 8 AM – 11 PMevening |
| Thursday | 8 AM – 11 PMevening |
| Friday | 8 AM – 11 PMevening |
| Saturday | 8 AM – 11 PMevening |
| Sunday | 8 AM – 11 PMevening |
- Open evenings (after 6 PM)
- Open Saturdays
- Open Sundays
Typical insulation prices
| Job | Low | Typical | High |
|---|---|---|---|
| Attic insulationPer attic: typical range of customer-reported jobs (about $1 to $3 per sq ft). US national range | $1,700 | $2,100 | $2,500 |
Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.
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