The shower room (one of the last two rooms in the Bunglalow to finish) progresses - and this is key as it's the last thing on the building notice!
Anyway - the screed will have been down a week by Saturday so safe to walk on. I'm going to start altering the ceiling.
It's an "outhouse" affair - sticks off the back of the house, lead roof. Now has 100mm of celotex on the ceiling (with soffit vents - some rather nice slim ones the BCO suggested).
The ceiling/roof has a strong slope and I'm planning to soften this with battens hung down off the rafters - plus this will leave a small void for cables and lights.
So I was wondering - is there any merit in moisture resistant PB for this? Didn't bother in the main bathroom, but the whole ceiling has the floor void above and it's warm and dry.
This could in theory run cool, despite the celotex and there's only a small void linking to the main house roofspace, so the PB will be less ventilated.
What are the properties of green PB? Can it get damp without wilting?
I was also wondering if green PB would be suitable for a shed/workshop to give a fireskin over the inside? Normal PB would wilt like crazy in that environment.