Browse Forums Flooring & Floor Covering 1 Dec 19, 2012 10:03 am I was hoping someone could tell me if there are any issues installing floorboards over 12mm plywood over concrete? Boral says 15mm is required. I think the Australian standard says 15mm, but a lot of installers are quoting with 12mm. Even Taits have 12mm in their showroom display. If it matters our boards will be 130mm x 19mm secret nailed. Re: 12mm or 15mm ply for solid timber over concrete? 2Dec 19, 2012 6:56 pm 12 mm is fine, check the lengths of your staples. And get your ply from Amerind Re: 12mm or 15mm ply for solid timber over concrete? 4Dec 19, 2012 7:51 pm We have been quoted from two well known companies in SE Qld 14mm solid blackbutt and they will both use 12mm ply. I have no idea re issues though. Engineering timber is certainly a less fuss option, times cheaper to supply and install and better withstands humidity. 1 15884 If this is a custom build then I would expect the builder to set out the door frame closer to the wall to avoid the gap between architrave and the wall and or specify… 9 8287 Much a do about nothing. You can see the fall heading to the actual drains. Stormwater ingress will be minimal and it's far better to have the top sitting flush rather… 12 6180 |