RAINSTOPPER® 2000W Clear is a combination of a silicone emulsion with a reactive silane producing a penetrating concrete and masonry sealer and water repellant.RAINSTOPPER® 2000W ClearBRAND RAINSTOPPER® INDUSTRY Commerical Transportation RESOURCES/DATA SHEETS Spec Guide: Brochure: Technical Data Sheet: PDF Safety Data Sheet: PDF FEATURES A Viscosity Comparable to Water One-Component Ready-To-use No Catalyst Required Reactive Silane to Chemically Link to the Substrate for Permanent Protection BENEFITS VOC Compliant Protects Against Moisture Chemicals and Salts Breathable, Allows Moisture Vapor to Pass Thru From Interior RECOMMENDED OVER Architectural Concrete Aggregate Brick Gravel Masonry Precast Concrete Stone Stucco Synthetic Stone