USG Corp.’s Tile and Flooring Division has introduced Ultraflow Floor Underlayments, a new family of poured, self-leveling cement underlayments. All four products come presanded.
Ultraflow G-1.0 Floor Underlayment is a fast-setting, nonshrinking underlayment designed for use in residential, light commercial and renovation construction. It can be applied over wood and concrete subfloors from 3⁄8 inch to 2 inches thick, and features a compressive strength of 3,500 psi to 4,200 psi at 10 to 14 days.
Ultraflow 2.0 Floor Underlayment is an economical portland-based cementitious underlayment designed for fast application and setting. Ideal over concrete and over wood substrates with metal lathing, it provides a crack-resistant surface that can handle light construction traffic 24 hours after pouring. It can be applied from feather-edge to 2-inch thicknesses and offers a compressive strength of 5,500 psi at 28 days.
Self-drying and moisture resistant, Ultraflow 3.0 Floor Underlayment is a polymer-modified engineered cement that is designed for leveling or topping rough and spalled concrete when downtime is critical. The product permits light traffic within three hours and will accept floor coverings after 24 hours. It can be poured from feather-edge to 11⁄4-inch thicknesses, and offers a compressive strength of 4,350 psi at 28 days.
Ultraflow 4.0 Floor Underlayment is a premium, self-drying cementitious wear surface designed to act as either a final floor surface or high-performance underlayment. The polymer-modified product permits light trade traffic within 24 hours. It can be poured from feather-edge to 5⁄8-inch thicknesses, and offers a compressive strength of 4,350 psi at 28 days.
For more, visit www.usg.com or circle #61 on the Reader Service Card.