Some of the new battens have got black mould on them. I thought they should be treated to prevent that.
Will they be ok behind the tiles once dry or should I remove them or spray with 5star fungicide?
I don't want to cover over if going to be a problem in future.
Thanks
Will they be ok behind the tiles once dry or should I remove them or spray with 5star fungicide?
I don't want to cover over if going to be a problem in future.
Thanks