Spray Foam Insulation Across Wisconsin

Green Peak Spray Foam is your trusted partner for energy-efficient, high-performance insulation across the entire state of Wisconsin. We specialize in closed-cell and open-cell spray foam for homes, pole barns, commercial buildings, and more. With over two decades of experience and a commitment to quality, we deliver airtight comfort and lasting results statewide.

Where We Work

We proudly service the following cities and surrounding areas across Wisconsin:

• Milwaukee
• Racine
• Kenosha
• Madison
• Lake Geneva
• Wind Lake
• Waterford
• Janesville
• Oconomowoc
• Elkhorn
• Burlington
• Waukesha

Our Insulation Services

• Closed-Cell Spray Foam: High R-value, vapor barrier, and moisture resistance.
• Open-Cell Spray Foam: Affordable soundproofing and insulation for walls and ceilings.
• Garage Insulation: Convert your garage into a year-round space.
• Pole Barn Insulation: Agricultural and hobby structures sealed and protected.
• Attics & Crawl Spaces: Stop heat loss from top to bottom.
• New Construction & Retrofits: Residential and commercial builds done right.

Why Wisconsinites Choose Green Peak

• ✅ Locally owned and operated
• ✅ Licensed and insured crews
• ✅ Clean job sites and professional results
• ✅ High-performance materials and attention to detail
• ✅ Fast turnarounds and reliable scheduling

Request a Free Quote Anywhere in Wisconsin

Whether you're in the city, suburbs, or rural farmland — we come to you. Contact us today and we’ll deliver a same-day estimate and expert recommendations tailored to your building and your budget.