Browse Forums General Discussion Re: Insulation between joists - house on stumps Building A New House 2Feb 04, 2025 8:05 pm Hi Planning 90mm R2.5 between joists as a minimum in my upcoming extension on stumps. Will see if it's feasible to add more in any way after talking with the builder or something I can diy after completion. Cheers Like ⋅ Add a comment ⋅ Pin to Ideaboard ⋅ Perth Hi there, just looking for advice for insulation under subfloor for houses on stumps between joists. This is for under the… 0 1438 Many thanks for your reply. Yes I am concerned with the work done. I have another problem with my contractor and I hope this next investigation and review with the… 2 19764 Are they stumps or screw piles ? How much fill is there, is the site a class "P" ? A "H2" site is not supposed to have stumps it is supposed to have grid beams according… 1 13326 |