A reader's General Construction question: Topping, waterproofing?
Mark Mc. from Logan, Australia had this Topping waterproofing question.G'day Bill,
I'm doing a bathroom reno and my google search led me to your bathroom renovation pages. This is a very informative site and is what I am referring to most with the unfamiliar jobs I'm doing; namely topping, waterproofing and tiling. My main question is how long after the mortar base is laid, can you apply the waterproofing? Many thanks for the info already posted.Kind regards
We don't wait too long, 24 hours between normally. Read the
manufacturer's instructions just in case.
Add to that, the fact that the waterproofing membrane is water based, and has flexibility in it and there is no need for a long drying time.
These products are designed with renovations in mind, so mostly you can't afford to wait what would be a normal drying time. Same with starting to lay the tiles after, start the day after the last coat has gone on.Best of luck with it.
If you didn't find exactly what you are looking for try this search tool that will search the site and the web.
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