Flooring Flexible, fluid applied systems are used to restore existing and/or protect new floors subject to vibration, thermal swings and impact. Uses include machine decks, turbine room..., and residences. Mechanical Room Flooring Flexible, fluid applied systems are used to restore existing and/or protect new floors subject to vibration, thermal swings and impact... These trowel applied surfacers (1/4" nominal thickness) will resurface badly damaged existing concrete floors or protect new concrete floors in heavy industrial environments...