Alternative to concrete slab for small workshop

28 Oct 2017
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United Kingdom
I’ve been wondering what alternatives there could be to pouring a concrete slab for a small 2.5x3m workshop I’m building on the back of my garage. Part of the work we’re doing is extending the patio so I wondered about using the workshop as a practice area for laying paving. Apart from the obvious fragility of paving slabs compared to a poured concrete slab, what other considerations should be made on floor choice for the workshop?

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workshop for what? what is the rest made from?
concrete is cold.Timber is warmer to the foot
heavy stuff in there?
Its a single skin brick extension to the existing garage. Its basically just somewhere for me to fix stuff on a work bench. No heavy machinary ir anything.
don't know about cost but beam and block might be an idea?

you will still need to fill a trench with concrete
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If I'm mixing concrete I may as well just pour the slab. Interesting idea though. Can imagine the costs would be quite high compared to just a basic slab.
Council slabs (the 50mm thick pavement ones) properly bedded in (well whacked hardcore then sand blinded) will be fine and not at all fragile :). Get some of those interlocking plastic soft tile things to put on top of the slabs- will be less tiring to stand on and will keep the damp down (well worth sticking a sheet of DPM under your slabs, by the way :) )
Thanks for that, I've already got a load of the foam tiles which I'd planned on laying on whatever floor choice is put in there. I'll take a look around for these big slabs.

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