How do you waterproof a laundry?

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Typically in bathrooms, you would waterproof floors, shower enclosures, around your bath and the toilet area. If your laundry walls are plasterboard then they can be painted with a suitable bathroom paint which includes a mould preventative.

Here is a helpful step-by-step D.I.Y. videos on How to waterproof your bathroom floor. Typically, walls are not waterproofed, however you can continue the floor membrane up the wall if you wish to do so. - MitchellMc