Quick question: When laying Celotex sheets, does it matter which side faces 'up' - the printed side or the plain side?
Laying Celotex between floor slab & screed
- Thread starter CHarr
- Start date
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Printed side up. It looks better 
No it doesn't matter.
No it doesn't matter.
Add a layer of vapour barrier on top though to prevent screed seeping into the joints.
....or tape the joints like wot we do.
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Or that!
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