Spray Foam Insulation Brooklyn NY

Brooklyn's Spray Foam Insulation Specialists

New York City homes are some of the draftiest in the country. Century-old brownstones in Park Slope, row houses in Bushwick, and pre-war co-ops across the borough were built long before modern insulation — and every winter, heated air pours straight through their walls, attics, and rim joists. That is why so many Brooklyn homeowners see gas and oil bills spike from December through March while upstairs bedrooms stay stubbornly cold.

Spray foam insulation solves the problem differently than fiberglass batts ever could. It expands into every crack, seals air leaks at the source, and delivers the highest R-value per inch of any residential insulation. For attics, basements and crawl spaces, and whole-house envelopes, it is the single most effective upgrade a Brooklyn homeowner can make.

At Brooklyn Spray Foam Pros, we install both open-cell and closed-cell spray foam for homes and businesses throughout Brooklyn, Queens, Manhattan, the Bronx, Staten Island, and Long Island. Every job starts with a free on-site assessment, and we will walk you through whether open-cell or closed-cell foam is the right call for your building — here is our plain-English guide to the difference.

Our Spray Foam Services

Why Brooklyn Homes Lose So Much Heat

Most of Brooklyn's housing stock was built between 1880 and 1930, when insulation meant "thick walls and hope." Brownstones and brick rowhouses share party walls that help — but their front and rear exposures, flat roofs, and uninsulated basements bleed energy all winter. Add in original single-pane windows and century-old framing with voids the size of a fist, and you get some of the highest heating costs per square foot in the country.

Spray foam is uniquely suited to these buildings. It expands to fill the irregular cavities behind plaster walls, seals the top plates and rim joists where fiberglass installers can never reach, and — in its closed-cell form — acts as a vapor barrier in damp basements. Many of our Brooklyn customers also qualify for National Grid energy efficiency rebates and federal tax credits for insulation upgrades, which can take a meaningful chunk off the project cost. Ask us during your free estimate and we will point you to the current programs.

Winter heat loss is not just a comfort issue. Frozen pipes in uninsulated crawl spaces, ice dams forming on poorly insulated flat roofs, and condensation rotting out rim joists are all expensive repairs that proper insulation prevents. A one-day spray foam install now can save you a five-figure plumbing or roofing bill later.

Open-Cell vs. Closed-Cell: The 60-Second Version

Open-cell spray foam is the lighter, more affordable option — about R-3.5 per inch, excellent at air sealing, and great for interior walls and attics. Closed-cell is denser and pricier — around R-6.5 per inch — and it resists moisture, making it the go-to for basements, crawl spaces, and exterior applications. Read our full comparison for the details, or call us and we will recommend the right foam for your specific project.

Frequently Asked Questions

Have more questions? Browse our full Brooklyn spray foam FAQs — covering renters, co-ops, historic districts, rebates, and timing.

Areas We Serve

We bring our spray foam rigs to every corner of the NYC metro: