The Natural Philosopher wrote:
> On 11/04/16 23:03, Capitol wrote:
>>
clive....@gmail.com wrote:
>>> Hi
>>>
>>> My bathroom walls are going to be finished with either tiles on marine
>>> ply or painted plaster on "Green" plasterboard. Now there is a tricky
>>> space behind the towel rail that protrudes too far. I can't cut the
>>> brackets supporting the rail much because the towel won't fit behind.
>>> My idea is to replace the 2cm ply behind the rad with 1cm thick ply
>>> and paint it a similar colour to the tiles. Without the tiles I will
>>> save 2cm thickness of wall. Where the towel rail is located in the
>>> bathroom, this thickness is crucial.
>>>
>>> I have a few descriptions online that painted ply has been used
>>> successfully on kitchen floors. Now if I prime, undercoat twice,
>>> paint, then seal twice with matt polyurethane varnish (I am thinking
>>> of giving the treatment you would to the hull of a wooden boat !) will
>>> mean the rad will receed a vital 2cm and mostof the painted wall will
>>> be hidden behind the towel rad anyway.
>>>
>>> Could this work? (please say yes). Better than that, has anyone
>>> experience of painted plywood floors in kitchens or bathrooms?
>>>
>>> Thanks
>>>
>>> Clive
>>
>> I'd expect some movement with humidity change.
>
> a little. Much less than with wood. about 0.1% max
>
>