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[willi101]

when dot and dabing to walls should there be a gap 25mm from the floor level or can the board fit top to bottom floor to ceiling?

[kbrownie]

hi
it can rest on floor, but generally you find you need to lift the board a little so a nice tight joint at ceiling. I don't advise you to force board in if cutting a little to big as board will belly out!
Regards
KB