Penetrating Sealer for Resealing Substrates Sealed with PS101 or PS102. * Combats Freeze/ Thaw, Repels Salt, Oil & Grease. * Limits Stains & Molds, Maintains Traction. * Restricts Moisture Absorption, Blocks Efflorescence & Dusting. * Increases Surface Strength, Enhances Abrasion Resistance.