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Sorry, yes. If you are having a gap - have it on the cold side. Definitely also look at the SIPS option if you have the access. I didn't
No. It's a timber frame.What, even those that are occupied (garden office etc)?
So are most roofs.No. It's a timber frame.
My roof does not have a vcl, I bet yours doesn't either.So are most roofs.
All the vaulted ones do yes.My roof does not have a vcl, I bet yours doesn't either.
"all upstairs ceilings to be 12.5mm Duplex boards....etc"My roof does not have a vcl, I bet yours doesn't either.
And why don't the other ones?All the vaulted ones do yes.
See above.And why don't the other ones?
Are you suggesting garden offices are unoccupied, are bereft of things like kettles and heating, or are only used when it's warm outside?And why don't the other ones?
I'll tell you, because they don't need one.
Whether a timber frame needs a vapour membrane is a matter of design, construction and use. A timber shed-like building does not need one because there is no persistent condensation risk.
I'm asserting not suggesting that a kettle and a little heater in a timber shed/office/summerhouse/gym/playroom/chilloutzone is not going to have the timber rotting any sooner than the normal expected life of that timber building.Are you suggesting garden offices are unoccupied, are bereft of things like kettles and heating, or are only used when it's warm outside?
And there is the crux. Folk are paying many more £££'s per meter these days for their garden rooms. Long gone are the glorious days of a sneaky cheap sherry in the potting shed.the normal expected life of that timber building.
Oriented Band Strord?with obs
That's the max eaves height if within 2m of a boundary and measured from the highest part of the ground, so you can end up with it higher at one end if the ground slopesI know that there is a height limit of 2.5m. But where is that measured from?