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Bathroom Fitting

Can loft boards be used in a bathroom to replace floor boards?

My builder cut a lot of my bathroom floor out as he said it was rotten (a tiny amount was but I'm not sure all what he cut out was), I have seen today these large wooden panels (look like chipboard type) which he said he was going to use for the bathroom floor - is this right? Thanks a lot in advance

5 Answers from MyBuilder Bathroom Fitters

Best Answer

Chipboard flooring is the norm these days.They should be green and moisture resistant though,not the rubbish that gets sold as loft panels.


Answered 28th Nov 2012

As mentioned in the previous reply, chipboard is extensively used these days as it is stable ( no warping or twisting). The suggestion that it needs to be moisture resistant is as an insurance against the sometimes wet conditions in a bathrooms, though a properly fitted floor covering should guard against this. I would make sure that the chipboard is of the same thickness ( 18mm. - 22mm.) as the original flooring, and all joints are cut so as to be fully supported by the floor joists.


Answered 28th Nov 2012

yes they can be used, no problem, although personally I hate them as they are nigh on impossible to lift without damaging.
In my mind, if a floor is made up of floorboards then replace like for like. same goes for chipboard. You have to remember that wood expands and contracts with heat.If you replace half a floor with different flooring it will react differently to the rest and could cause problems if tiling onto them.


Answered 29th Nov 2012

I personally would not recommend using chip board regardless of being treated
(not on the floor anyway) this can be used inside a shower cubicle ready to be tiled over, however on a bathroom floor i would recommend using a ply at least 10mm.


Answered 28th Nov 2012

yes he can replace the chipboard with like for like, but if they are tiling the floor they will have to use 12-18mm ply or backer board.


Answered 30th Nov 2012

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