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Vesalii t1_j5lgre7 wrote

I would have done concrete under the floor before insulation. Even if it wasn't in a basement. Also, bit of a shame to drill in those new times to hang the shelf imo. Other than that, nice work!

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Gryllan OP t1_j5n8uho wrote

Under the insulation. Well, for what rly? And then another layer conceling the floor heating? Well, you gonna have to drill. Clothes hanger, showerwall, shelves etc.

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Vesalii t1_j5nmhdh wrote

The concrete supports your walls at their base and keeps moisture from coming through your floor from the earth.

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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

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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.

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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

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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.

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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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