Richard's Shield's All 12% Silicone Masonry Water Repellent is a specially formulated clear water repellent designed to provide excellent waterproofing properties to both new and old exterior cementitious substrates. Easy to apply, it offers a long lasting breathable barrier that provides excellent resistant to water penetration, dirt, salts, acid rain, and alkali and efflorescence. It helps protect masonry surfaces from spalling, as well as helping reinforcing steel in masonry surfaces from corroding due to water intrusion. Silicone Alkyd Formula Excellent Waterprofing Properties Penetrates & Seals Protects Against Spalling Alkali Resistant Resists Salt & Acid Rain Easy to Apply Resists Efflorescence
