Residential Spray Foam Insulation Brooklyn

Brooklyn homes were built to last — not to stay warm. Brownstones in Park Slope, brick rowhouses in Bushwick, and detached houses in Bay Ridge share a common problem: drafty envelopes, uninsulated attics, and basements that pull cold air up through every floor. Residential spray foam insulation is the most effective fix available, sealing air leaks and adding real R-value in a single application.

Why Spray Foam Beats Fiberglass in Brooklyn Homes

Fiberglass batts leave gaps around every pipe, wire, and irregular stud bay — and in century-old homes, those gaps are everywhere. Spray foam expands to fill the cavity completely, creating a continuous air barrier that fiberglass simply cannot match. The result: fewer drafts, quieter rooms, and heating and cooling bills that can drop 30–40%.

Closed-cell foam also adds structural rigidity to walls and acts as a vapor retarder, which matters in Brooklyn's humid summers and damp basement conditions. For interior walls and attics where moisture is less of a concern, open-cell foam delivers excellent air sealing at a lower price point. Not sure which your home needs? Our open-cell vs. closed-cell guide walks through the tradeoffs.

Where We Install It

• Attics: Seal the roof deck or attic floor to stop the biggest source of heat loss — see our attic insulation service.
• Basements & crawl spaces: Closed-cell foam on foundation walls ends cold floors and moisture — see basement insulation.
• Exterior walls: Dense-pack or open-cell foam in wall cavities during renovations.
• Rim joists: The often-missed band where the house framing meets the foundation — a top source of drafts.
• Garages & additions: Keep bonus rooms and converted spaces comfortable year-round.

Dealing with street or neighbor noise too? Spray foam also dampens sound — open-cell foam in party walls and exterior walls cuts airborne noise while it insulates, at no extra trip.

What a Typical Project Looks Like

Most residential jobs start with a free on-site assessment. We inspect your attic, basement, and accessible wall cavities, measure the space, and give you a fixed written quote — usually on the spot. Installation takes one to two days for most homes. We protect your floors and belongings, ventilate during application, and clean up completely. After curing (typically 24 hours), the foam is inert and safe for your family and pets.

Pricing depends on foam type, square footage, and access. Open-cell jobs in Brooklyn typically run $1.50–$3.50 per board foot; closed-cell runs $2.50–$5.00. Our Brooklyn cost guide breaks down realistic 2026 pricing by project type.

Serving All of Brooklyn — and Beyond

We install residential spray foam across Brooklyn — from brownstone Brooklyn to the waterfront — as well as Queens, Manhattan, the Bronx, Staten Island, and Long Island. Many of our customers also qualify for National Grid energy efficiency rebates — ask us what's available for your home.

Frequently Asked Questions