Browse Forums Renovation + Home Improvement 1 Jan 13, 2024 6:24 pm I was wondering if we can frame directly onto floor joists, where in the NCC does it state if we need Subfloor then walls whether it's load bearing or not. it's for an extension, enclosed space with 90x45 mgp10 walls with flat roof on top, 7.5mm cement sheet cladding. thanks Re: Framing on floor joists 2Jan 13, 2024 9:09 pm pretty sure you can, cut in floor was the old way to do it, platform floor common now as you have something up walk on and the particleboard subfloor can take some rain while the walls and roof are built. Re: Framing on floor joists 3Jan 13, 2024 9:39 pm Pulse pretty sure you can, cut in floor was the old way to do it, platform floor common now as you have something up walk on and the particleboard subfloor can take some rain while the walls and roof are built. Yea I've seen old framing done this way, just wondering if it can still be done and if there's anything that says it won't be up to australian standards if it is done this way? Re: Framing on floor joists 4Jan 14, 2024 10:24 am Houses have been framed on floor joists since settlement, chipboard flooring is only around for 50 years or so, so why would it not be satisfactory? However exercise skill in spacing floor joists so your flooring has bearing. Foremost Building Expert in Australia,assisting with building problems/disputes, building stage inspections,pre-contract review advice for peace of mind 200 blogs http://www.buildingexpert.net.au/blog Thanks for all replies. I just noticed now the pictures I added to post right on top of page were wrong. I attached pictures showing "current" and my "suggested" floor… 9 14901 Hi All, about to commence a bathroom renovation and need some advice on subfloor works. Current subfloor is hardwood T&G floorboards on 90x45 joists, but intention is to… 0 6013 |