Insulation & Supply Co - Green Bay
Verified Pro
27½+ years online5.0
Insulation Services in Green Bay, WI
Compare 25 insulation services contractors near you in Green Bay and surrounding area with an average rating of 4.7/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated March 22, 2026
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Insulation Services in Green Bay, WI
Green Bay insulation contractors in this directory cover central Green Bay, Allouez, and surrounding Brown County. IECC Climate Zone 6A asks for R-49 attics and R-20 walls. Most pre-2000 Green Bay homes have R-30 to R-38 of settled batts — topping up with blown insulation runs $1.50-$2.30 per sq ft.
WPS (Wisconsin Public Service) covers most Green Bay electric and gas. Focus on Energy offers home-performance rebates. The 25C federal credit covers 30% up to $1,200/year. Green Bay's lake-effect snow makes ice-dam prevention via attic insulation critical.
Frequently Asked Questions
- What R-value should my Green Bay attic have?
- IECC Climate Zone 6A asks for R-49 attics. Most pre-2000 stock has R-30 to R-38 of settled batts.
- Why do I get ice dams?
- Inadequate attic insulation and air-sealing combined with lake-effect snow. Fix is attic insulation top-up to R-49+.
- Are there rebates?
- Focus on Energy home-performance rebates ($300-$2,000), 25C federal credit (30% up to $1,200/year).
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NeedInstall helps connect customers with local installation professionals across Green Bay and surrounding communities. Featured contractors have claimed their profile and verified their business information. Listings marked as "Verified Pro" have been confirmed by the business owner.