Decking On Uneven Concrete Surface DIYnot Forums
Decking On Uneven Concrete Surface. Discussion in 'In the Garden . with soil for plants around the edge. Would it be possible to lay the decking on this uneven foundation or would it be easier to make the foundation even first? . Once all the bricks are level you can start laying your joists to take the deck boards. [/img] tomos, 6 Jun 2007 #2.