Is your floor level? Do you need to pre-smooth the floor? Is your substrate even? Is your subfloor rough? Do you need to level away from a wetroom tray? Are your large format tiles rocking when placed into position?Level IT TWO is a general purpose, mid strength two-part smoothing underlayment. Exceptional flow characteristics make this product very easy to apply to both commercial and domestic floors alike. It has a typical working time of 20 to 30 minutes and a walk on time of approximately 2.5 hours. If you apply 3mm of Level IT TWO it will allow most floor coverings to be laid on top in as little as 12 hours (all based on good ambient conditions). It has a moisture tolerant formulation making it suitable for pre-smoothing of floors prior to applications of surface damp proof membranes. Are you installing underfloor heating? The benefits of using Level IT Two with underfloor heating are:-Protects the wires during the tiled floor installation.-Creates a uniformed heat when the system is in full use.-Eliminates hot spots which may occur in direct to wire tile adhesive applications. -The underfloor heating wires are protected should there be a need to replace the tiles in the future. -A self levelled surface creates an ideal subfloor for large format tiling, avoiding uneven tile laying. Substrates Level IT Two is suitable for (always seek advice for priming recommendations):-Plywood overlays (min 15mm)-Concrete (excluding power floated)-Cementitious tile backer boards-Non-absorbent surface e.g. terrazzo, ceramic tiles, power floated concrete, painted floor-Calcium sulphate (anhydrite) always seek technical advice-Adhesive residues - scrape clean, remove any loose particles and at least 75% residues-Damp proof membranes (with primer only)-Floor grade mastic asphalt - scrape clean and remove any loose particles