AMES Blue Max Liquid Rubber Blue Waterproof Coating 5 gal BMX5RG por | 17 Jul 2026Blue Max Liquid Rubber Waterproofer is a water-based, strong and highly adhesive elastomeric coating & sealant with 1200% elongation that moves with the surface to resist cracking & peeling. Blue Max is ideal for waterproofing above & below grade...