Ideally suited to timber floors, Ardex FA 20 is reinforced with Microtec fibres, resulting in a flexible, crack-free finish that provides incredible stability for smoothing timber floors before floorcovering application. Rapid hardening and drying walkable in just 2 hours Can be applied directly to floorboards Excellent smooth surface finish Multipurpose, also ideal for levelling and smoothing cement/sand screeds, steel and existing tiled surfaces Suitable for use on screeds containing underfloor heating Unit Size Available: 20kg Coverage: Approximately 5m2 at 3mm thick per 20kg bag