Verified record
No state license for this trade. New Hampshire doesn't license or register insulation & weatherizationbusinesses, so there's no state registry to check. That's true of every insulation & weatherization business in the state, not a mark against this one. Insurance is self-reported.
- Not rated by the BBB
- 6 customer photosOf completed work
Highlights
- Neat insulation work — a 2024 customer praised neatness and sound damping
- Prompt insulation service — a 2023 customer received evaluation and insulation promptly
A 2024 customer said Bill and his team insulated a new build using open-cell foam, closed-cell foam and rock wool. In the 2024 account, the customer praised the neat work, described a tight home and noted sound damping between rooms and bathrooms. A 2024 customer said Johnson Spray Foam arrived within a few days after a Massachusetts insulator had kept putting the job off, and cleaned up as needed. A 2023 customer received a quote, an onsite evaluation and insulation promptly despite a busy time of year, and described technician Mason as courteous and efficient.
Read the comments
Most recent comments
- 5.0May 2, 2024
These guys are incredible, got me out of a bind when a Ma. Insulator kept putting me off. Johnson SF was there in a few days! Very professional curious crew. Cleaned up as needed. Excellent work.
— Al LaddView on Google Reviews ↗ - 5.0Apr 16, 2024
Outstanding Job!!
— Donna BeauregardView on Google Reviews ↗ - 5.0Apr 7, 2024
Bill and team insulated our new build last year, combination of open/closed cell and rock wool. They did a great job, nice and neat, very tight home, sound damping between rooms/baths etc. Highly recommended.
— Aaron GrueterView on Google Reviews ↗ - 5.0Dec 13, 2023
Great experience! Despite the busy time of year, we were able to get a quote, onsite evaluation and insulation promptly. The technician, Mason, was courteous and efficient. Thank you, Johnson Spray Foam
— Mary CoombsView on Google Reviews ↗ - 5.0Aug 18, 2022
We have worked with JSF llc for decades and their work is excellent. They are knowledgeable and very helpful & great to have on the site.
— Blake SpencerView on Google Reviews ↗
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