Protective Coatings - Eco Friendly Specialty Coatings - liquiguard.com Protective Coatings that are Eco-Friendly, Non-Toxic and provide excellent wear and durability. Consumer, Commercial and Industrial Protective Coatings. Protective Coatings that are Eco-Friendly, Non-Toxic and provide excellent wear and durability. Consumer, Industrial and Commercial Protective Coatings.