Browse Forums Building A New House Re: Concrete Slab vs Timber sub floor? 30Dec 29, 2013 9:15 pm Just a comment re the fall of your block. You mention there is a fall of 600mm over the block. However how much fall is there over the actual building envelope. Given you are going two storey chances are there may be less fall over the slab area. If this means there ends up with only 300mm then a slab is a no brainer and should even be the cheaper option. Building Standards; Getting It Right! 1. optional, you can but normally just use the earth from the main switch board 2. should be enough but the distance determines voltage drop - sparky should work it… 1 29033 Engineering timber is certainly a less fuss option, times cheaper to supply and install and better withstands humidity. 1 16208 The concreter will take and reuse. In my case I bought structural LVLs and scraped them back and used them as joists. 1 5324 |