ARDEX Optima Coverage Calculator Note: Coverage will vary according to method of application, substrate condition, tile type and on site conditions, the above is designed for guidance only. For the latest Technical and Health and Safety Data on these products, please visit www.ardexaustralia.comSelect Adhesive*ARDEX OptimaClick on the box to see a list of adhesive optionsEnter area to be tiled (m2)(type in the square metreage)Select walls or floorsWallsFloorsTimber Floors(click on the box to see options)Total kg of adhesive required:Size 1.7L/5kgApproximate Units RequiredSize 10L/2 x 15kgApproximate Units Required Δ