Hot tubs - Sub base

Patio flagstones (slabs), concrete flags, stone flags including yorkstone and imported flagstones.
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bignob
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Joined: Wed Aug 31, 2005 10:57 pm
Location: hartlepool

Post: # 9421Post bignob

Heck of a web site, by the way.
I'm expecting the delivery of a 7ft x 7ft hot tub shortly, to be laid on a new 16 sq metre patio area (probably Bradstone oldstone) but I'm unclear as to what strength of sub base I should use. I mean, the tub won't be moving about (like a car on a driveway), but it will weigh a lot when full of water and my wife.
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Tony McC
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Location: Warrington, People's Republic of South Lancashire
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Post: # 9454Post Tony McC

Oldstone flags? For this type of project, they will need to be laid on a full concrete bed, preferably 100-150mm of ST1 concrete.
Site Agent - Pavingexpert
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ABILITY
Posts: 101
Joined: Sun Jun 13, 2004 10:26 am
Location: Cheshire
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Post: # 9498Post ABILITY

Think must mean Old Town flags.

Hot tub supplier will usually provide spec for base, as Tony says 150mm compo slab. We usually sit tub straight on reinforced slab and pave around it, but no good if you are going to ever move it.
Don't forget cable for power supply, if to run under paving.
Ability.
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bignob
Posts: 2
Joined: Wed Aug 31, 2005 10:57 pm
Location: hartlepool

Post: # 9583Post bignob

thanks everyone. I've laid 100cm concrete base - and it looks sturdy!
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