Without Equal in the Marketplace. Ion-Bond Armor Industrial-Grade Concrete Sealer delivers unmatched penetration and superior waterproofing for concrete floors, walls, cinder blocks, and concrete block foundations. Outperforms standard silane and siloxane sealers, and is the only silane/siloxane sealer effective against negative side water pressure in basement walls. Can be used in conjunction with RadonSeal Plus for the tightest possible seal against water intrusion and moisture vapor.







