In large projects that have wide spans, or in areas that need to have less supporting columns, then a waffle slab is typically used. They can either be for the ceiling or floor slab, to give it much more support, as they use beams that criss-cross and look just like a waffle when constructed. Read MoreWhere is waffle slab used?
In the foundations of home extensions or new houses, is where raft slabs are used. Heavy duty concrete beams get put down along with steel reinforcing, to go in both directions. This adds extra strength to a new slab, when the main pour is done, giving your house or garage floor stability and durability. Read MoreWhat is a raft slab?
The standard thickness for a garage floor slab is 4 inches. In areas where large trucks, caravans or other vehicles will be driven or parked, it’s recommended to go up to 5 or even 6 inches in thickness. Read MoreHow thick is a concrete floor slab?
In house and garage slabs, beddings or footings, it’s common in the concrete industry to use m10 or m15 grade concrete. M20, which is the next strongest grade, is usually for reinforced steel concrete pours – things like foundation slabs, supporting columns or beams. Read MoreWhich grade of concrete is used for floor slab?
It means a particular grade of concrete, that is has been left to cure for a full 2When concrete has been able to cure for a set amount of time – 28 days – it will be 100% cured and set. As a result it will have the compression strength of 25 N/mm, and where... Read MoreWhat does m25 mean for concrete?
A concrete worker can also be referred to as a “concreter finisher” – but there is a difference. A finisher is someone that levels and smooths out concrete surfaces, does stamping or stenciling. A concreter is usually someone that does the main supply and pumping of concrete. Visit: http://www.concreterssydney.net.au Read MoreWhat is a concrete worker called?
When concrete is freshly poured, it will need to be protected if there is any hail, snow or rain predicted. When a plastic covering is placed over the concrete, the concreter needs to be especially careful that it is not put straight over the surface. If plastic touches curing concrete it can permanently discolour or... Read MoreShould you cover concrete with plastic in cold weather?
If concrete is not allowed to cure properly, it will be weak, crack or collapse when heavy loads go over it. If curing is done correctly then the concrete laid will be stable, strong and resist cracking even under heavy loads. It is crucial that no matter how small a concreting job is, that time... Read MoreWhat happens if curing is not done?
In order for concrete to set and be durable and hard as it can be, it must go through a stage called curing. Longer is always better, but at least 7 days can be suitable for concrete to properly cure. It can also cure in temperatures as low as 5 degrees. Visit: http://www.concreterssydney.net.au Read MoreWhat is the minimum curing period for concrete?
When mixing concrete the ratio needs to be perfect. Too much water added will make the overall strength weaker, and cause shrinkage or cracking. If too little water goes into the mix then it will set dry, crumbling and breaking apart. It is one of the most critical parts of mixing, that just the right... Read MoreWhat happens if you add too much water to concrete?