Northeast's Trusted Insulation & Fireproofing Experts
From spray foam to firestopping — we protect your building, cut your energy costs, and meet every code requirement. Residential and commercial.
Complete Insulation & Fire Protection Services
Every service backed by our workmanship guarantee. We don't cut corners — your building deserves the best.
Spray Foam
Maximum air sealing and R-value for residential and commercial structures.
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Fiberglass
Proven, cost-effective insulation for walls, attics, and crawl spaces.
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Batt Insulation
Pre-cut panels for fast, clean installation in new and existing construction.
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Blow-In
Seamless coverage for attics and hard-to-reach cavities — no gaps, no cold spots.
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Fireproofing
Code-compliant passive fire protection for steel, concrete, and structural elements.
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Firestopping
Seal penetrations and joints to contain fire and smoke spread in any building.
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Licensed & Insured
Fully licensed in NY, NJ, and CT. Comprehensive liability coverage on every job.
Commercial & Residential
From single-family homes to large commercial builds — we handle projects of any scale.
Energy Savings Guaranteed
Our insulation solutions reduce energy bills by up to 40%. We stand behind every install.
Fast Turnaround
Responsive scheduling, on-time crews, and clean job sites — every time.
Trusted Across the Northeast
"ApexSeal is our go-to insulation sub. Professional crews, clean work, and they always hit the schedule. No one else comes close in the tri-state area."
Mike D.
General Contractor, NJ
"Our energy bills dropped by 35% after ApexSeal spray-foamed our basement and attic. The team was professional, fast, and left the house spotless. Highly recommend."
Sandra R.
Homeowner, Westchester NY
"We brought ApexSeal in for fireproofing on a 12-story commercial project. Flawless execution, code-compliant, and zero punch list items. They earned a long-term partner."
Tom B.
Project Manager, CT
Real Customers. Real Results.
From homeowners to general contractors — here's what people say about working with ApexSeal NY.
"ApexSeal handled fireproofing across 4 floors of our building. On time, on budget, and the DOB inspection was a non-event. That's all I ask for."
James K.
Property Manager, Bronx NY
"I got three quotes. ApexSeal wasn't the cheapest but they were the most thorough. They found air leaks nobody else mentioned. My house is a different place now."
Rachel M.
Homeowner, Long Island NY
"I've used ApexSeal on six projects now. They show up, they do the work right, and they don't create problems for the rest of my crew. That's rare."
Carlos V.
General Contractor, Bergen County NJ
Ready to Seal the Deal?
Get a no-obligation quote from the Northeast's most trusted insulation and fireproofing team. We respond within one business day.
- Free on-site assessment
- Detailed written estimate
- No pressure, no obligation
- Fast scheduling available