Australian Builders High strength Concrete is a premium quality DRY MIX blend of sand, cement & aggregate. 40 MPA at 28 days. Conveniently packed to ensure the correct amount for the right application. Just add water! Australian Builders High strength Concrete is ideally suited for many home maintenance and renovation requirements such as: Building path ways, mower strips, fish ponds Securing posts & clothes hoists in the ground Small concrete slabs Small project brick work footings Repair work to concrete | Australian Builders 20kg High Strength Concrete