Vesalii t1_j5nmhdh wrote
Reply to comment by Gryllan in Old disgusting bathroom gets a makeover (reupload) by Gryllan
The concrete supports your walls at their base and keeps moisture from coming through your floor from the earth.
Gryllan OP t1_j5nr2jb wrote
Concrete does not stop moisture. The walls go further down than the floor does so that doesnt make a difference
Vesalii t1_j5nscbd wrote
It does when it's thick enough and/or you add the right additives.
It's also easier to work on with your insulation.
Gryllan OP t1_j5nu377 wrote
Thick enough? Concrete is not hydrophopic. It gets wet and soaks water mate.
Easier to work on a concrete slab than? A packed sand/stone floor? Just a waste of money pouring 2 concrete slabs imo. Theres no problem packing and leveling without concrete
Vesalii t1_j5nzut6 wrote
Concrete that's thick enough does not let water through. A concrete slab is the default first layer over here:
Flooring (tiles in this case) Screed Insulation Concrete Plastic
The plastic is around 100 um thick and is only so water from the concrete doesn't go into the earth. To make sure the concrete cures correctly.
Gryllan OP t1_j5o1q3e wrote
Thick enough? You mean i should have 2meters of concrete? It doesnt seem like you are in construction mate. Yes, concrete does absorb water. The reason behind this is that concrete is a highly porous material that is made up of gravel, sand, cement and water. The final product appears hard but is full of pores.
Concrete burns even if it starts raining on it. Pouring. You often water a new slab to make it not cure too fast, in that case it will crack.
A packet soil ground is always the first start,under the concrete, and when you can level that you can skip the bottom concrete, (since it has no use at all). That way i save money, work, and height in this low-ceiling bathroom.
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