I want to clad the stair-well of my cellar. The cellar has not been tanked & therefore the walls are somewhat damp (not too bad!). Will water resistant MDF t&g panels cope with these damp conditions.
I don't think the mdf itself would be too badly affected, I have had standard mdf shelving in my cellar (which can get a bit damp sometimes) for years and they still look the same. Maybe you should batten the walls to create a gap, and leave a small gap above the floor and below the ceiling to allow ventilation behind the cladding. Isn't there a paint for bathrooms that is more reststant to humidity that you could use. It may be worth painting a sample piece and leaving it down there for a while to see what happens to it.
Do you have any ventilation in the cellar,if not it might be a good idea to try to sort some kind of cross-ventilation in there to give it some fresh air instead of the old stale cool air all the time,this will probably help out some of the damp problem too.
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