Krystol T2 is a surface-applied crystalline slurry treatment that transforms new or existing concrete into a permanent waterproofing barrier. Applied as a second coat over Krystol T1, which has a concentrated amount of Krystol crystalline technology, Krystol T2 provides a harder, more durable finish that protects the Krystol T1 and insures complete surface coverage. When used together, Krystol T1 & Krystol T2 become part of the Krystol T1 & T2 Waterproofing System.