What is Spray Foam Insulation?
Spray foam insulation is a high-performance material that expands on contact to seal gaps, cracks, and cavities. It forms a continuous air barrier that helps reduce energy loss and improve comfort throughout your home. Closed-cell spray foam is especially effective, offering a high R-value per inch and moisture resistance that makes it ideal for basements, rim joists, crawl spaces, and attics.
WHI installs spray foam insulation in new construction and retrofit applications. The foam is sprayed into walls, ceilings, or floor systems, where it expands to fill every crevice. This process eliminates drafts, reduces allergens, and prevents air infiltration that can compromise insulation performance.
Spray foam outperforms traditional fiberglass or cellulose in both insulation value and air sealing. It’s also mold-resistant and adds structural rigidity. When used alongside rim joist insulation or attic upgrades, it delivers long-term savings and indoor air quality improvements.
Whether you’re building a high-efficiency home or upgrading your current insulation, WHI provides expert installation and guidance on whether spray foam is right for your project.
20% Cost Savings
Spray foam insulation can cut heating and cooling costs by up to 20%
Closed-cell spray foam has an R-value of about 6.5 per inch
25%-40% Energy Loss
Air leaks can account for 25–40% of energy loss in a typical home
Free Estimate (Inline)
"*" indicates required fields
How Our Spray Foam Insulation Process Works
For spray foam insulation, WHI evaluates your home’s needs and applies closed-cell foam for a tight air and moisture seal. We protect nearby areas during application and ensure full rebate documentation afterward.
Project Evaluation
We assess whether spray foam is right for your space based on structure, ventilation, and goals.
Application Setup & Safety
We protect surrounding areas and apply closed-cell foam into targeted cavities to create an air-tight seal.
Curing, Inspection & Incentives
After curing, we inspect the coverage and supply all rebate documentation for qualifying projects.
Live More Comfortably While Saving Money on Energy
Client Testimonials
Recent Posts About Insulation
Explore expert tips, energy-saving advice, and insulation insights tailored for Wisconsin homeowners. Stay informed with our latest updates
Frequently Asked Questions
If you don’t see the answer to your question, feel free to give us a call to speak with one of our friendly associates.
What is spray foam insulation?
Spray foam insulation is a two-part chemical mixture that expands when applied, sealing gaps and creating a powerful air and moisture barrier. It provides both insulation and air sealing in one application. Closed-cell spray foam offers high R-values and moisture resistance, making it ideal for attics, crawl spaces, rim joists, and wall cavities. WHI uses spray foam to improve comfort, energy efficiency, and air quality in Wisconsin homes.
Where can spray foam be used in my home?
Spray foam can be applied in attics, rim joists, crawl spaces, basements, garage ceilings, and wall cavities. It conforms to irregular spaces and hard-to-reach areas, making it a great choice for sealing leaks and insulating tight spaces. WHI will assess your home to determine where spray foam will have the biggest impact and ensure safe, proper installation.
What are the benefits of closed-cell spray foam?
Closed-cell spray foam provides a higher R-value per inch than other types of insulation. It adds structural strength, acts as a vapor barrier, and blocks air movement. It’s also resistant to pests and mold. Unlike fiberglass, spray foam doesn’t sag or settle over time. WHI installs closed-cell spray foam for long-lasting performance and energy savings.
Is spray foam safe for homes?
Yes. Once cured, spray foam is inert and safe. WHI follows all safety guidelines during application and allows the foam to fully cure before re-entry. Proper ventilation and protective equipment are used to ensure health and safety for homeowners and installers. We only use high-quality, code-compliant spray foam approved for residential use.
How long does spray foam insulation last?
Spray foam insulation can last 30 years or more when properly installed. It doesn’t settle or degrade like some traditional materials, maintaining its performance over time. WHI guarantees proper application so you get long-term comfort and protection without frequent maintenance.
Are there rebates for spray foam insulation in Wisconsin?
Yes. Spray foam insulation may qualify for rebates through Wisconsin’s Focus on Energy program, especially when combined with air sealing or whole-home upgrades. WHI will guide you through the rebate process and provide required documentation to help reduce upfront project costs.