One aim is to prevent condensation emerging on the outside walls of a bathroom.
I assume he means mould, if there's a foot of insulation the condensation won't stick around long assuming there's some vague form of heat and ventilation in the roomThe tiles will still be a cold surface for condensation in a bathroom if you put a foot of insulation on the wall.
I assume he means mould, if there's a foot of insulation the condensation won't stick around long assuming there's some vague form of heat and ventilation in the room
AgreedCeramic tiles will provide a suitable cold surface at a convenient dew point for air to condense on within any bathroom environment. Insulation won't make a bit of difference to that.
Not true, if the temperature outside is 0c then an uninsulated surface will always be so cold that any condensation won't evaporate quick enough to prevent mould. That's why there's a limiting u value given in the building regulations, to prevent this exact problem. As you mention, ventilation is also essential, which is also in the building regs.How soon the condesate evaporates away afterwards will depend on the OP's ventilation arangements, again notthing to do with insulation
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