Spray Foam Insulation in New Hampshire & Southern Maine
Home of the Weathertight Igloo
Looking for a reliable way to cut energy costs and make your home more comfortable? At Weathertight Spray Foam, we provide professional spray foam insulation services across New Hampshire and Southern Maine, helping homeowners and businesses save money, improve indoor air quality, and enjoy year-round comfort.
Weathertight Spray Foam offers free consultations and estimates. Let us help you create your Weathertight Igloo!
Why Spray Foam?
ELIMINATES
DRAFTS
Spray foam insulation seals gaps and cracks in your home’s building envelope, helping eliminate drafts, reduce air leaks, and maintain consistent indoor temperatures year-round.
MONEY
SAVINGS
Spray foam insulation reduces air leaks and improves energy efficiency, helping lower heating and cooling costs while keeping your New Hampshire home comfortable year-round.
SOUND
CONTROL
Spray foam insulation helps reduce outside noise and sound transfer between rooms, creating a quieter, more comfortable home with improved sound control and insulation performance.
STRUCTURAL
STRENGTH
Closed-cell spray foam insulation adds rigidity to walls and roof assemblies, helping strengthen your home's structure while improving energy efficiency and air sealing.
Our Services
Weathertight Spray Foam uses top quality Gaco Western and Green Valley closed cell spray foam, 2 lb residential foam, R value 7.2/inch and Green Valley open cell spray foam, R value 4.2/inch.
Residential & Commercial Applications
- Walls
- Ceilings
- Floors
- Attics
- Crawl Spaces
- Foundation Waterproofing
- Under-slab (monolithic layer) of closed cell insulation
- Stone Foundations
- Blockers & Runners
- Windows/Doors
- Bed & bath, between floors, sound insulation
- HVAC Ducting
- Basements
- Decks/Sheds