Recent content by hazymat

Thanks. Yes I'm just using basic cheap shuttering ply, 18mm. When you say 660kg per sq m, do you mean that's the weight (i.e. pressure) of the concrete? Or do you mean that's what the timbers can cope with? I worked the concrete out at 638Kg per sq m, so roughly the same. I just need to know...

I'm planning my first concrete slab. Structural engineer has spec'd a 200mm slab with 2 layers of rebar that bends upwards when it meets the walls (2 walls are poured concrete, the other 2 are concrete blocks), with a minimum 100mm bearing onto all walls. The area is 4.7x4.8 = 22.56m2, giving...