At LKN Spray Foam, we know spray foam insulation is a top choice for your home. It's super efficient and fills every gap, giving you amazing benefits in many areas:
Beyond just energy savings, spray foam is also superior at blocking sound. This means a quieter, more peaceful home for you and your family to enjoy.
At LKN Spray Foam, the excellent benefits of our spray foam aren't just for homes—they're fantastic for commercial buildings too! With our spray foam solution, your business can enjoy lower heating and cooling costs because of its amazing insulation power.
Spray foam is perfect for many kinds of businesses, including:
Our spray foam is great at blocking sound, creating a quieter and more comfortable space. This can help your team be more productive and keep your customers happier.
Since metal easily transfers heat, steel buildings require excellent insulation, especially because their surfaces can be uneven or curved.
LKN Spray Foam is the perfect answer for these structures. It significantly reduces heating and cooling costs and controls condensation. Its superior sealing power effectively closes up gaps, flashings, and other tricky spots, giving you complete coverage.
We expertly insulate a diverse range of metal structures, including:
LKN Spray Foam is incredibly adaptable, expertly applied on both the inside and outside of buildings. It works perfectly with many different materials, including steel, wood, and concrete.
This premium insulation offers year-round protection, guarding against both winter's cold and summer's heat. It creates a safe and comfortable environment, making it the ideal choice for a variety of agricultural and livestock buildings including:
Small DIY kits are sold at U.S. home improvement stores, but whole-home insulation should be done by professionals. The pro-grade equipment uses high pressure and chemicals that require training, protective gear, and careful handling. An experienced installer knows how to apply the foam at the right temperature, thickness, and coverage so it performs safely and meets building codes. For lasting results, professional installation is the smart choice.
Spray foam is versatile and works in many areas:
Attics – stops hot air from entering in summer and keeps heat in during winter.
Walls – improves comfort and sound control.
Crawl spaces & basements – resists moisture and drafts.
Metal buildings, barns, and pole barns – adds strength and keeps temperatures stable.
New construction – ideal because it can be applied before drywall is up, giving full coverage.
People often want to know how spray foam stacks up against fiberglass and cellulose. Key comparisons include:
R-Value: Spray foam generally has a higher R-value per inch than traditional insulation, especially closed-cell foam.
Air Sealing: Spray foam creates a superior air seal, filling every crack and crevice to prevent air leaks and drafts. Fiberglass and cellulose batts do not provide an air seal.
Moisture Resistance: Closed-cell spray foam is a moisture barrier, while fiberglass and cellulose can absorb water, leading to mold and a loss of effectiveness.
Pests: Spray foam provides no food source for rodents or insects, making it more pest-resistant than other materials.
Cost: Spray foam has a higher initial cost but a better long-term return on investment due to energy savings.
Yes, spray foam usually pays for itself over time. While the upfront cost is higher than fiberglass, it does two jobs at once: insulation + air sealing.
According to ENERGY STAR, U.S. homeowners can save around 15% on heating and cooling costs by sealing air leaks and insulating key areas like attics and crawl spaces. Many people also notice their home feels more comfortable year-round—fewer drafts, more even temperatures, and less dust or pollen sneaking in.
Closed-cell spray foam is water-resistant and can serve as a vapor retarder when applied thick enough. This makes it popular in crawl spaces, basements, and flood-prone areas. Open-cell foam is not waterproof, but both types help reduce the chance of mold by sealing out humid air that can cause condensation. Spray foam won’t fix water leaks by itself—you’ll still need good drainage and ventilation—but it adds a strong layer of protection against moisture problems.
Lower bills: Less wasted heating and cooling.
More comfort: Fewer drafts and cold/hot spots.
Better air quality: Reduces pollen, dust, and humidity entering your home.
Durability: Lasts as long as your home.
Properly installed spray foam can last the life of your home without losing performance. During installation, the foam releases chemical fumes while it expands and cures. That’s why professionals wear protective gear and ventilate the area. Most manufacturers and the U.S. Environmental Protection Agency (EPA) recommend staying out of the work area for about 24 hours. After curing, the foam becomes inert and safe to live around.
The two main types are open-cell and closed-cell spray foam.
Open-cell spray foam is less dense, more flexible, and more affordable. It expands significantly upon application, making it excellent for filling large or irregularly shaped cavities. It's a great air barrier and also offers sound-dampening properties. However, it's not a vapor barrier and can absorb water.
Closed-cell spray foam is much denser and more rigid. It has a higher R-value per inch, adds some structural strength to walls, and acts as a vapor and moisture barrier. It is more expensive than open-cell but is a better choice for areas where moisture control is critical, such as basements, crawl spaces, or exterior applications.
Spray foam comes in two main types. Open-cell foam is softer, lighter, and expands more. It’s great for filling larger spaces, reducing noise, and lowering cost. Closed-cell foam is denser, stronger, and has a higher R-value (insulating power). It also adds structural strength to walls and resists water. In the U.S., both are widely used: open-cell in attics and walls, closed-cell in crawl spaces, basements, and metal buildings. Your installer will help match the right type to your project.
The R-value measures insulation’s ability to resist heat flow. In the U.S., closed-cell spray foam averages R-6 to R-7 per inch, while open-cell averages R-3.6 to R-3.9 per inch. That means closed-cell gives you more insulation in less thickness, which is helpful in places where space is tight. For most homes, either option will outperform fiberglass or cellulose because spray foam also seals air leaks.
Yes, spray foam is safe when installed correctly. During application, the area must be ventilated and kept clear until curing is complete (about 24 hours for most products). U.S. building codes require spray foam to be protected by a thermal barrier, like drywall, when used in living spaces. This helps with fire safety. In attics or crawl spaces, special coatings or assemblies may be used to meet code. When applied by trained installers, spray foam is both safe and code-compliant.
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