Dynamite

Thanks for the heads up. I will put battens behind anyway, whichever product choose if I do go ahead with this.

i have used celotex, if unsupported behind with battens and held in at the front face it distorts or bows some 50mm over 1250mm,that was...

yes might be an option but was just trying to use some palletwood i have and is free too.

If the membrane is breathable then skip the air gap and use insulation to the full depth. Insulation effectiveness is considerably...

Why not just use insulation, ie Kingspan or Celotex between joists, either pinned in or expanding foam ( best option IMHO),, then staple...

maybe look into some 6mm ply to minimise weight, though that might also minimise any ability to attatch anything to the ply

Yes, see your point. Can’t be any heavier than plasterboard or ply though I guess.

That was my way of thinking too.

Careful with the weight covering the insulation with pallet wood will increase the loads on the roof by quite a bit.

Wood is a pretty good insulator! And allows you to attach things to the ceiling...

The membrane will be better than any felt that could have been used. What does the pallet wood overboarding add? Other than being a bit...

Hi all, i was after knowing what you all think about my shop roof plans. It’s a standard garage sized workshop with traditional apex...

You'll be surprised how quickly it happens 😎😉

I just love this thread. I keep finding people who are worse hoarders than I am. It's better than therapy. I'm feeling so much better...

These guys are good for shellac flakes https://bolgers.co.uk/