Just fit the 6mm, you’ve had the advice, you clearly want to fit the 6mm crack on
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Overboard Chipboard Flooring in a bathroom
- Thread starter Bobbya82
- Start date
If it's your own house, do it properly and you won't regret.
I would remove the chipboard, install extra noggings, then line with 18mm plywood, seal that with exterior varnish, then 6mm or 12mm cement board.
Tray will never move.
I prefer to line floors first, then walls and use silicone where the wall and floor backboards meet.
I would remove the chipboard, install extra noggings, then line with 18mm plywood, seal that with exterior varnish, then 6mm or 12mm cement board.
Tray will never move.
I prefer to line floors first, then walls and use silicone where the wall and floor backboards meet.
Wet boards (aqua panel) and final flooring goes on/down after the tray is in and fully sealed.
Personally I tank any wet area in a bathroom.
Personally I tank any wet area in a bathroom.
When doing any job, be it for yourself or a client, it is prudent to mull over need for future repairs or instal failure. Undercut on proper strength of material only means that a task may subsequently need ripping out to carry out remedial work. Sting in the tail is, when doing everything by the book, even that can sometimes throw a wobbly, never mind cutting corners or saving on material
When I say final flooring, I mean the tiles/vinyl or whatever is to be the final floor finish which are usually cut up to the edge of the tray. Yes the tray would sit on whatever supporting material you decide to put in over the chipboard, for the tray to sit on.
What did you decide to go for in the end?
How did it turn out?
I have the exact same predicament. Have a fairly solid thick coated chipboard floor under a shower tray, but due to the larger than average hole cut for the waste there is one small area that has a very very slight flex in it. But its in no way a big enough problem to rip the floor out and replace. It's otherwise fine. Cant get in enough to fit more noggins.
But don't want to give a new tray any excuse to crack or flex. So thinking of laying ply on top for added strength.
Interested to know what you went for.
Went for the no more ply in the end, then put the tray on top. The it uses is really strong and all seems good.
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