We are proud to offer the Sherwin-Williams™ line of Loxon Exterior Masonry Solutions. LOXON coatings have been specifically formulated to protect masonry and concrete. Whether subjected to severe sun, wind-driven rain, heat, humidity or salt air, LOXON coatings provide an attractive and durable appearance on new work or repaints. LOXON coatings also feature strong mildew resistance.