Aliphatic Polyurethane Two Component Protective Coating Carbyne™ SUP250 is a bio-based, water-based, two-component aliphatic polyurethane coating engineered specifically for garage floor applications. Designed to deliver long-term surface protection in residential and light commercial garages, Carbyne™ SUP250 combines ease of application with professional-grade durability. Formulated to perform on properly prepared concrete substrates, Carbyne™ SUP250 provides exceptional abrasion resistance, strong adhesion, and long-lasting performance under vehicle traffic, foot traffic, and daily garage use. With low VOCs and no odor, it supports improved indoor air quality during installation—making it well suited for garages attached to living spaces.