The Evo-Stik Waterproof Wall Tile Adhesive is ready-mixed easy to use and suitable for fixing ceramic tiles onto most interior walls and backgrounds including cement rendering plaster plywood plasterboard blockboard wood chipboard old glazed tiles glazed bricks and painted surfaces. The waterproof and non-slip formulation has an extended open time making it quick and easy to apply. The colour is an off-white and coverage with a Notched trowel is 1.2 msup2 per litre Solid Bed 0.3 msup2 per litre. These figures are approximate and do not include wastage. They also assume flat surfaces. NOTE that different trowels often apply the adhesive at different rates usually greater than the above.