ARDEX RAPIDLAY MEMBRANE is a specially coated, fiberglass-reinforced sheet underlay designed for efficient installation of floor coverings, particularly sheet vinyl, over a range of new or old sub-floors in residential and light commercial settings. It is suitable for diverse surfaces, including contaminated or damp sub-floors, old vinyl, ceramic tiles, sheet metal, and asphalt, offering a dimensionally stable and moisture-resistant base. This sheet underlay reduces installation time by bypassing typical drying periods, allows for easy removal of temporary flooring without adhesive d