ARDEX SD-P LT Self-Drying, Trowelable Low Tension Concrete Underlayment is formulated with ARDEX REVOCem technology along with a special blend of Portland cement, and other hydraulic cements and polymers. It is a self-drying, fast setting, trowelable patch for smoothing and repairing concrete, wood and gypsum-based floors, ramps and stairways, as well as non-porous substrates such as terrazzo, ceramic and quarry tile, prior to the installation of new floor covering.

• A blend of Portland cement and other hydraulic cements
• Provides a smooth surface over a variety of substrates
• Ideal for ramping, patching large areas and screeding
• Fluid consistency for ease of application
• Install floor coverings in as little as 90 minutes
• Installs well up to 25.4 mm (1") and up to 7.6 cm (3") with aggregate
• Easy to mix with water only
• No primer required over concrete
• Exceptional bond strength
• Interior use only