Underlayment - Standard is a high-strength, flexible, trowel grade, two-component, polymer reinforced, cementitious underlayment formulated to provide a durable, uniform sub-surface for a wide variety of surface finishes.

It offers exceptional bond strength and crack resistance and is pre-packaged for easy on-site mixing with water. This fire retardant material also provides good thermal and acoustical insulation making it suitable for use in many occupied space environments.

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