


Family-owned and operated since 2000, Complete Basement Systems (CBS) is proud to be Long Island’s longest-standing basement and crawl space repair company. For more than 25 years, we’ve helped homeowners protect their most valuable investment by preventing water and humidity damage. Our consultative approach sets us apart—we don’t just fix problems, we educate homeowners and deliver tailored solutions designed for lasting peace of mind.

Founded in 1984, PTS Foundation Supply (PTSFS) has been the Northeast’s go-to resource for helical piles, driven anchors, and installation equipment. From design to installation, we know how complex foundation projects can be. That’s why professionals across the region count on our 100+ years of collective experience to provide reliable products, expert insight, and a partnership that helps every project start—and finish—on solid ground.

Since 1973, Premium Technical Services (PTS) has been the Tri-State area’s trusted partner in foundation repair, below-grade waterproofing, and grouting. With more than 50 years of service and over 100 years of combined expertise on our team, we bring proven solutions to keep your foundation strong, dry, and secure for the long run.
Family-owned and operated since 2000, Complete Basement Systems (CBS) is proud to be Long Island’s longest-standing basement and crawl space repair company. For more than 25 years, we’ve helped homeowners protect their most valuable investment by preventing water and humidity damage. Our consultative approach sets us apart—we don’t just fix problems, we educate homeowners and deliver tailored solutions designed for lasting peace of mind.

Founded in 1984, PTS Foundation Supply (PTSFS) has been the Northeast’s go-to resource for helical piles, driven anchors, and installation equipment. From design to installation, we know how complex foundation projects can be. That’s why professionals across the region count on our 100+ years of collective experience to provide reliable products, expert insight, and a partnership that helps every project start—and finish—on solid ground.
Professional Spray Foam Insulation Services on Long Island: Save Energy & Money
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If you’re tired of high energy bills, drafty rooms, or persistent dampness in your basement or attic, you’re not alone. Many homes on Long Island were built with outdated or inadequate insulation that wastes energy and allows moisture to creep in. Spray foam insulation is a modern, high-performance solution that boosts energy efficiency, improves moisture control, and creates a more comfortable, stable home year-round.
Premium Technical Systems proudly serves homeowners across Long Island, the NYC Metro area, and the Hudson Valley as a combined team: Complete Basement Systems (CBS) and Premium Technical Services (PTS) have merged to deliver enhanced expertise and support. CBS provides spray foam insulation services for Long Island properties.
How Expanding Foam Insulation Works
Spray foam insulation is a high-performance material applied as a liquid that rapidly expands to fill gaps, cracks, and cavities. Unlike traditional fiberglass batts or loose-fill products, spray foam creates a continuous air seal while installing insulation, helping improve energy efficiency and moisture control in every season.
There are two primary types: open-cell and closed-cell. Open-cell foam is lighter and softer, ideal for interior applications where sound control and home comfort are priorities. Closed-cell foam is denser and more rigid, delivering a higher R-value per inch and excellent moisture resistance, making it perfect for basements, rim joists, and areas exposed to the elements.
By expanding into the tightest areas - around pipes, wires, and framing - spray foam helps keep heated or cooled air where it belongs. The result is a more efficient home with fewer drafts, more consistent temperatures, and a quieter, more comfortable living environment.
Benefits of Spray Foam Insulation for Your Home or Business
Whether you’re a homeowner or managing a small commercial space on Long Island, adding insulation with spray foam offers powerful advantages that go far beyond simple energy efficiency.
Lower Utility Bills & Long-Term Cost Savings
Spray foam reduces heat loss in winter and heat gain in summer, easing the load on your HVAC system. Over time, the cost savings from improved efficiency can help offset the initial investment, especially in a climate where heating costs can spike.
Overall, sealing air leaks and adding insulation can reduce your heating and cooling costs by 16% in the Long Island area. This estimate assumes you’re sealing leaks around basement windows and doors and improving R-values in the attic and floors over a basement, crawlspace, or basement walls.
Mold Prevention & Moisture Control
Dehumidifiers aren’t enough to keep your home dry and mold-free if you have major air leaks. Because spray foam forms an air and moisture-resistant barrier, it plays an important role in mold prevention and moisture control. By limiting humid air movement and condensation within walls and cavities, you protect your house from long-term damage and mildew growth.
Spray foam complements other strategies to prevent water damage and excess moisture, including basement waterproofing and exterior drainage systems.
Improved Indoor Air Quality
Spray foam helps insulate against outdoor pollutants, dust, and allergens entering through tiny gaps. This can create a cleaner, healthier indoor environment for your family or occupants.
Greater Indoor Comfort
You’ll notice improved home comfort with fewer cold spots, quieter rooms, and a more stable indoor climate across all seasons. No more frequent adjustments to the thermostat or cold drafts.
If you’re ready to make your home or small business more efficient and comfortable, call us today at (516) 409-6000 to learn more about spray foam insulation and schedule your on-site evaluation.
Benefits of Spray Foam Insulation for Your Home or Business
Whether you’re a homeowner or managing a small commercial space on Long Island, adding insulation with spray foam offers powerful advantages that go far beyond simple energy efficiency.
Lower Utility Bills & Long-Term Cost Savings
Spray foam reduces heat loss in winter and heat gain in summer, easing the load on your HVAC system. Over time, the cost savings from improved efficiency can help offset the initial investment, especially in a climate where heating costs can spike.
Overall, sealing air leaks and adding insulation can reduce your heating and cooling costs by 16% in the Long Island area. This estimate assumes you’re sealing leaks around basement windows and doors and improving R-values in the attic and floors over a basement, crawlspace, or basement walls.
Mold Prevention & Moisture Control
Dehumidifiers aren’t enough to keep your home dry and mold-free if you have major air leaks. Because spray foam forms an air and moisture-resistant barrier, it plays an important role in mold prevention and moisture control. By limiting humid air movement and condensation within walls and cavities, you protect your house from long-term damage and mildew growth.
Spray foam complements other strategies to prevent water damage and excess moisture, including basement waterproofing and exterior drainage systems.
Improved Indoor Air Quality
Spray foam helps insulate against outdoor pollutants, dust, and allergens entering through tiny gaps. This can create a cleaner, healthier indoor environment for your family or occupants.
Greater Indoor Comfort
You’ll notice improved home comfort with fewer cold spots, quieter rooms, and a more stable indoor climate across all seasons. No more frequent adjustments to the thermostat or cold drafts.
If you’re ready to make your home or small business more efficient and comfortable, call us today at (516) 409-6000 to learn more about spray foam insulation and schedule your on-site evaluation.
Why Choose Premium Technical for Spray Foam Insulation?
Premium Technical Systems brings together local expertise, industry-leading products, and a focus on long-term performance. Our professionalism shows in everything we do - from punctual appointments and clean job sites to honest recommendations that fit your goals and budget.
For homeowners and light commercial properties on Long Island, Complete Basement Systems provides spray foam insulation services you can trust. Our experienced contractors understand the unique challenges of coastal weather, older housing stock, and damp basements that are common across Nassau and Suffolk Counties.
Our insulation contractors offer certified installation using proven techniques and materials, ensuring your spray foam performs as designed and meets building code requirements. Because we operate as part of the larger Premium Technical Systems family, you also benefit from a team with broader mechanical and building performance knowledge when planning upgrades or renovations.
If you’re considering spray foam for your home or small business, call (516) 409-6000 today to discuss your project and schedule an evaluation.

The Spray Foam Insulation Installation Process
When you choose Premium Technical Systems, you get a clear, step-by-step installation process delivered by a team that treats your property with respect. Our goal is to provide professional service from start to finish, using high-quality materials and expert contractors who know how to get the details right.
1. Assessment & Planning
We start with a thorough inspection of your home, focusing on crawl spaces, walls, attics, basements, and other areas where insulation can make the biggest impact. We evaluate existing conditions, including any old insulation that may need to be removed, air leakage points, and moisture concerns.
2. Preparation
Our crew protects floors, furniture, and belongings before work begins. In many cases, we’ll safely remove or work around old materials to ensure the new foam bonds properly. Venting, access panels, and drywall openings are planned carefully so we can reach every important area. We verify there are no moisture issues or water-damaged wood before applying spray on insulation.
3. Spraying the Foam
Using specialized equipment, our expert contractors apply spray foam to the targeted sections. The foam expands quickly, filling gaps and sealing cracks in rim joists, roof decks, interior walls, and other hard-to-reach areas.
4. Curing & Cleanup
After application, the foam cures and hardens, forming a durable, long-lasting insulation and air barrier. We then trim or shave excess material as needed, prepare surfaces for new drywall or finishes, and thoroughly clean the work area.
Throughout the process, we communicate clearly so you know what to expect, how long areas will be off-limits, and when your upgraded insulation will be fully ready.
Spray Foam Insulation Cost and Savings
When you look at spray foam insulation through a cost comparison lens, it typically has a higher upfront price than blown insulation or other materials such as rock wool, cellulose, or fiberglass insulation. However, spray foam delivers superior air sealing and moisture resistance with a higher R-value.
Did you know that air leakage accounts for 25% to 40% of your home’s energy use for heating and cooling? Improving residential insulation can translate into significant energy savings on heating and cooling bills year after year.
For both new construction and existing homes, spray foam is a long-term investment rather than a quick fix. Many customers see a strong ROI as their HVAC system runs less often, rooms feel more comfortable, and the risk of costly moisture damage or mold problems is reduced. Over time, the monthly savings on utilities can offset the initial installation cost.
If you are working within a budget, our team can target the highest-impact areas first, like attics, rim joists, or crawl spaces, to make spray foam a cost-effective upgrade. We will walk you through options and pricing so you understand how spray foam can improve comfort, protect your home, and increase energy savings.
Get a Free Estimate for Long Island Spray Foam Insulation
Ready to make your home more efficient, comfortable, and protected against moisture? Premium Technical Systems has you covered with energy-efficient insulation solutions tailored to Long Island homes.
Reach out today for a free consultation and personalized estimate with our insulation experts. We’ll inspect your space, explain your options, and answer all your questions so you can make an informed decision. To get started, contact our local pros at (516) 409-6000 and schedule your spray foam insulation evaluation.
Spray Foam Insulation FAQ
Spray foam insulation is a liquid insulating material made from polyurethane and isocyanate, which expands and hardens after it's applied to a surface. Foam insulation is a highly effective type of insulation that seals air leaks and improves energy efficiency. It's ideal for homes and businesses in the Northeast to improve comfort and reduce energy bills.
Spray foam insulation is usually better for performance or a small project, while blown-in is better for upfront cost or open, larger areas. Spray foam provides higher R-values per inch and excellent air sealing, which can significantly improve comfort and energy efficiency. Blown-in (cellulose or fiberglass) is more affordable and still improves insulation, but it doesn’t air-seal as well and may not control moisture and drafts as effectively as spray foam.
R-value is a measure of how well a material resists heat flow. The higher the R-value, the better the insulating power for a given thickness. Different materials have different R-values per inch, so you can compare how effective they are at slowing heat loss or gain in walls, attics, and other parts of your home.
On average, homeowners can expect to pay between $1,500 and $3,000 for a typical home. The cost of spray foam insulation depends on the size of the area and the type of foam used (open or closed-cell). The average cost of spray foam insulation per square foot is $1 to $3.00 for open-cell foam and $3.50 to $5.50 for closed-cell foam.
If mold or moisture issues are discovered, it may increase the cost of the job by a few hundred dollars to more than $1,000.
When properly installed, spray foam insulation can last for up to 100 years or the lifespan of your home. Its longevity depends on the quality of installation and factors like moisture, UV exposure, and damage caused by pests or renovations. However, its R-value and performance generally remain stable over time.
Spray foam insulation is generally considered safe when installed by trained professionals and allowed to cure properly. During installation, workers and occupants should follow important safety guidelines and ensure good ventilation due to chemical fumes. Once cured, spray foam becomes an inert, nontoxic material, but it should always be used in accordance with building codes and instructions from manufacturers.
Spray foam insulation can help with mold prevention on Long Island by reducing air leaks and limiting moisture-laden air from reaching cold surfaces where condensation can form. It creates an air and thermal barrier that helps keep wall cavities drier, especially in Long Island’s humid coastal climate. However, it must be combined with proper drainage, ventilation, and waterproofing to be fully effective.



