Decking Foundation Advice Please

Joined
3 Mar 2012
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Location
Surrey
Country
United Kingdom
Hi all,

I’m replacing the original floating wooden decking the builders installed in my 13 year old house with a timber base and composite decks. Took up most of the old stuff today and found what I expected, mainly cemented slabs across the decking space. For my new decking I need a joist every 300mm across and so my cemented slabs aren’t always going to be located at the correct intervals. What are my options please? The ground is solid (builders rubble and concrete compacted. Could I cut some wooden support deck posts and bolt them onto the joists in between the slab supports where required?

Thanks in advance. Chris
 

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