Hanson Instant Concrete Bag 25KG (Just add water!)
Hanson instant concrete is a rapid setting concrete for general use.
Instant concrete is also ideal for steps, paths and wall foundations.
Description:
Dry pre-blended cementitious material to BS 5838 Part 2, containing, Portland cement and graded sharp sand.
Mix ratio:
1 part cement : 3 parts sand
Uses:
Paths, patios, drives, shed bases, garage floors etc.
Coverage rate:
Bag size Coverage m² at depths
Maxi - 0.5 @ 25mm and 0.25 @ 50mm
Midi - 0.3 @ 25mm and .015 @ 0.15mm
Instructions for use:
Dig out the area to be surfaced using a sharp spade to create firm edges or alternatively make a shutter using timber. Pour in INSTANT CONCRETE direct from the bag, working from one end to the other. Even out to a maximum depth of 50mm with a straight edge to create either a level surface or a slope to allow drainage. A smooth flat surface can be achieved by finishing with a plastering float. Use a watering can with a fine rose to apply a small amount of water lightly and evenly to the INSTANT CONCRETE (without pooling) until the surface starts to turn a uniform dark colour. Do not add more than 3 litres of water per square meter. Too much water will weaken the mix. Using either the edge of a plank or a plasterers float tamp the dampened surface lightly, stopping 300mm short of the undampened surface to avoid disturbing the remaining material. Increase the pressure on the float or timber plank to compact the surface. INSTANT CONCRETE is now strong enough to walk on to treat the next section.
After 2 hours sprinkle with approx. 3 litres of water per square metre (avoid direct water pressure on the surface). Further water should be added after 12 hours in internal situations or very dry conditions where quick drying takes place. Continuous areas should be limited to no more than 2m² to avoid possible cracking as a result of movement.
