About Us
Family Owned and Operated
GSI is father-son owned and operated, with over 40 years of experience as an insulation contractor. We have the solutions for your project no matter the size or budget, whether you're interested in spray foam insulation, wet-spray cellulose, fiberglass, etc. we've got you covered. So breath easy, because when the owners are doing the job, you know it's going to get done right. Satisfaction guaranteed. Greenshield is operated out of Kalamazoo, MI.
Experience You Can Trust
Greenshield been an insulation contractor for a long time, and go the extra to mile to see that you're satisfied. Not until the job site is completely cleaned and you're satisfied with the work performed that you'll be ask to pay.
Schedule a FREE estimate
Give GSI a call at (269) 743-3121 to discuss all you're insulation and ventilation questions, including the popular spray foam insulation. We'll gladly come to you and provide a FREE estimate.