The Natural Philosopher wrote:

Adrian C wrote:

I'm got the stuff used for a partition wall and celing in an
unheated garage. Not expecting too many problems with damp when heating
the enclosed and (kingspan/rockwool) insulated area (my workshop). But
do I need to paint or skim the bare boards?


But if you're using the area as a workshop, it would probably make a
massive difference to the quality of the lighting therein if you were to
splash a couple of coats of cheapo brilliant white emulsion over it -
wouldn't take any time at all and would be well worth it IMHO.

David