W.F. Taylor Co. Inc. has released Acous-Tec Sound Reducing Liquid Underlayment Patch and Leveler. The patent-pending product is designed to reduce sound transmission in all floating floor systems, as well as patch up to 1/8-inch cracks and level substrates. The low-VOC and GREENGUARD-certified underlayment has a one-hour cure time. It is unaffected by concrete slab alkalinity, can be installed on porous and non-porous surfaces, and has low permeability ratings. Acous-Tec offers an ASTM E492/ASTM E-986-06 impact rating of up to IIC of 71 and an ASTM E90-04/E413-10 sound transmission loss rating up to STC 67.