Slide-Lok of Grand Rapids, LLC is now Quantum Floor Prep & Coatings with the same owner and team and a new name that highlights not just the product we sell but what we do and how we do it. Quantum Floor Prep & Coatings has been independently owned and operated by John Trimberger since 2010 and is a local Slide-Lok authorized distributor. Quantum Floor Prep & Coatings has installed polyaspartic floor coatings to residences and businesses across West Michigan with an emphasis on quality, cost, and a professional manner. John is a licensed concrete contractor with over 30 years of concrete experience having owned and operated Quantum Concrete for 25 years. John knows and understands the problems of your concrete and how to make it look beautiful and functional and at the best cost possible.