How can i lay decking tiles on concrete slabbs securely?

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Carl Z asked:

Hello there,

Im looking at laying ready made decking tiles over my patio slabs. As ive never laid decking before i was wondering if anyone out there might be able to give me a short step by step guide as to how i may best do this.

The tiles i have are not inter locking, my main concern is how to ensure they are laid securely, my patio slabs are securely down.

Is it possible to lay them without taking any slabs up?

How do i ensure they all fit securely?

Is it possible to secure them direct to the concrete slabs?

Any help or advice would be much appreciated and i send my thanks in advance.



Comments (5)    Posted in Do It Yourself (DIY)    

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5 Responses to 'How can i lay decking tiles on concrete slabbs securely?'

  1. alan - April 30th, 2010 at 2:48 pm

    It should be possible to lay the decking over the patio slabs. What you would need to make sure of is that there is drainage and that the decking is firmly fixed down. Or you could attach each decking tile to each other.

  2. NotEckyBoy - May 1st, 2010 at 9:26 pm

    You just need to drill holes in the slabs and fit them using rawlplugs, surely? – with long screws?

    Use decent non- corroding screws because I have no doubt whatsoever that you will want to remove the decking again one day.

  3. Paul in San Diego - May 3rd, 2010 at 4:23 pm

    They don’t interlock? I find that hard to believe. Otherwise, how else do they expect you to install them on concrete?

    If they truly don’t interlock, I would look into the feasibility of installing them onto 1/4 inch plywood sheets with Liquid Nails glue. You could cut the plywood to fit on the patio, lay the wood down, and glue the tiles to the plywood. Tiles that overlap the edges of the plywood sheets would then secure them together.

  4. David M - May 6th, 2010 at 11:21 pm

    Not being able to see these tiles is a little pain to advise properly but this is what i would be inclined to do.

    I would not put them straight on the slabs anyway as they will eventually retain water & rot, even if you stain/protect them.

    1. Buy some sawn (rough not planed smooth as its alot cheaper) treated wood, 2″X2″ should be fine.
    2. Make a simple framework consisting of 2 sides & 1 top rail & 1 bottom rail. ***** these together.
    3. In lay how ever many 2″X2″‘s along the length & ***** these through the top & bottom rail.
    4. You’ll only need a few screws & raw plugs to secure this simple frame to the slabs. (if its level & does not wobble!)
    5. Then ***** these tiles to the wooden framework.
    6. For added measure you could add some damp proof course underneath the frame where it touches the slabs but its up to you.

    ps: From experience of going back to jobs that have used glue or any other epoxy type product to stick straight on to slabs, its never worked for long as the good old UK weather sees to that! & I have had to do the above to rectify it.

    Hope that helps a little. Shame we cant add pictures or drawings, would help you more!

  5. DaDiva - May 8th, 2010 at 6:48 am

    Maybe this site can help…

    Good Luck!


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