Spray Foam Insulation Experts
A well-insulated home will make you more comfortable in every season.

Home Insulation Services
Spray foam insulation is the best choice for both new and existing properties available today.
For new construction, spray foam insulation speeds up the build time and reduces energy costs. Spray foam insulation seals drafts and moisture issues in existing homes, creating a more comfortable environment for families.
Insulate your walls and crawl space to keep heat in and bills down, seal your damp or musky basements to reduce moisture and mold growth and seal your attic to reduce energy loss.
Whether you need open-cell foam for interior soundproofing or closed-cell spray foam for extra strength and moisture resistance, we’ve got you covered!
Proudly Serving: Brooklyn, Queens, Nassau and Suffolk County Long Island, Westchester County NY., and Fairfield County, CT.
Benefits of Spray Foam Insulation:
- Energy Savings: Helps hold in heat and cooled air - reducing utility costs by preventing energy loss.
- Year-Round Comfort: Minimizes temperature swings indoors, keeping more of the air you heat or cool inside.
- Air Sealing: Blocks drafts, improving indoor air quality.
Ready to upgrade your insulation?

Why Choose A&J Insulation for Your Spray Foam Needs
Are you thinking about upgrading your home’s insulation to boost energy efficiency and enhance comfort?
Spray foam insulation is likely your best solution. At A&J Insulation, we provide high-quality insulation services that make homes and commercial properties more efficient, comfortable, and cost-effective.
Known for our customer service, craftsmanship, and attention to detail, we’ve helped countless homeowners save month after month on their energy bills and enjoy year-round comfort to boot.
Book a consultation to discuss your insulation needs.
Our Services
Offering both open cell and closed cell insulation, A&J provides expertise in locking in the heat.

Open Cell Spray Foam Insulation
Open cell spray foam insulation is ideal for indoor applications where soundproofing and energy efficiency are essential. This cost-effective option provides a lightweight barrier against air leaks and is especially suited for walls and ceilings.
Learn more about Open Cell Spray Foam Insulation ➜

Closed Cell Spray Foam Insulation
Closed cell spray foam is denser and provides a superior moisture barrier, making it perfect for areas exposed to high humidity or requiring added structural support. This type of insulation is commonly used in basements, crawl spaces, and exterior walls.
Learn more about Closed Cell Spray Foam Insulation ➜

Attic Insulation
Attic insulation plays a crucial role in maintaining indoor comfort and controlling energy costs. Our spray foam attic insulation seals every crevice, preventing heat loss and temperature fluctuations for year-round efficiency.
Learn more about Attic Insulation ➜

Ceiling Insulation
Ceiling spray foam is an effective solution for properties needing thermal and acoustic insulation. Ceiling insulation reduces heat transfer between floors, providing both soundproofing and energy savings for multistory buildings.
Learn more about Ceiling Insulation ➜

Basement Insulation
Basements often experience moisture and temperature control challenges. Our basement insulation solutions prevent heat loss and moisture buildup, creating a more comfortable and usable space.
Learn more about Basement Insulation ➜

Wall Insulation
Our wall insulation services create an airtight barrier in any room, helping maintain consistent temperatures and reduce noise transfer. Wall insulation is a great way to improve comfort and energy efficiency throughout your home or business.
Learn more about Wall Insulation ➜

Crawl Spaces and Basements
Crawl spaces and basements are often vulnerable to moisture and temperature fluctuations. Spray foam insulation seals these areas, creating a protective barrier that helps to prevent mold, increase energy savings, and improve indoor air quality.
Learn more about Crawl Space Insulation ➜
Why Choose A&J Insulation
Experience
Our technicians have years of expertise
Efficiency
Fast turnaround time without the red tape
Financing
Customer financing available for your project
Customer Service
Premium customer experience and support

About A&J Insulation
As a trusted insulation provider, A&J Insulation has helped homeowners across Brooklyn, Queens, Long Island, and Westchester County achieve a more comfortable, energy-efficient home. Our commitment to quality and professionalism ensures every attic insulation project is done right. Contact us to find out how we can improve your attic insulation today.
FAQs About Spray Foam Insulation
What is spray foam insulation, and how does it work?
Spray foam insulation is a liquid-applied material that expands to fill gaps, cracks, and cavities, creating an airtight and energy-efficient seal. It provides both thermal insulation and a moisture barrier.
Spray foam insulation creates an airtight seal that’s perfect for the four-season climate in Brooklyn, Queens, Long Island, and Westchester. It keeps your home cooler in the hot, humid summers and warmer during the cold winters, reducing energy costs year-round.
What’s the difference between open-cell and closed-cell spray foam?
Open-cell foam is lightweight and flexible, ideal for interior applications and soundproofing.
Closed-cell foam is denser, offering a higher R-value, better moisture resistance, and added structural strength.
For homes in urban areas like Brooklyn and Queens, open-cell foam works well for soundproofing and tight interior spaces. In coastal areas like Long Island, or for older homes in Westchester, closed-cell foam offers superior moisture resistance and higher insulation values to protect against the elements.
Is spray foam insulation safe for my home?
Yes, once cured, spray foam is entirely safe. It’s non-toxic, resists mold and mildew, and contributes to improved indoor air quality by sealing out allergens and pollutants.
Is spray foam insulation suitable for older homes in these areas?
Yes! Older homes in Brooklyn, Queens, Long Island, and Westchester often suffer from drafts, uneven temperatures, and poor insulation. Spray foam can be installed in walls, attics, and basements to seal leaks, improve energy efficiency, and maintain the character of your home.
Can spray foam be installed in existing homes?
Absolutely! Spray foam is ideal for retrofitting older homes, as it can be applied to attics, walls, basements, and crawl spaces to seal air leaks and improve energy efficiency.
How long does spray foam insulation last?
Spray foam insulation is highly durable and can last for decades without losing effectiveness, making it a smart long-term investment for your home.
How does spray foam help with seasonal challenges?
Spray foam insulation keeps out winter drafts and prevents heat loss, essential for homes in Westchester and Queens during frigid months. In summer, it reduces cooling costs by sealing out heat and humidity, making it perfect for Long Island’s coastal climate and Brooklyn’s dense urban environment.
Comfort and Quality: The A&J Insulation Difference
At A&J Insulation, we believe comfort and quality go hand in hand. That’s why we provide top-tier spray foam insulation solutions tailored to your home’s unique needs. From improving energy efficiency to creating a more comfortable living space, our commitment to excellence ensures long-lasting results. Experience the A&J Insulation difference—where your home’s comfort is our top priority.
