Depth of sand question

All forms of block paving, brick paving, flexible or rigid, concrete or clays, new construction or renovation
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Bodine
Posts: 2
Joined: Mon Apr 05, 2010 12:38 am
Location: Tallahassee, Fl. USA

Post: # 47713Post Bodine

I am laying a brick paver patio on a slope. Is it acceptable for my sand to vary in depth over my sub base? My sub base is a clay soil, which has been mixed with soil cement and compacted. My sand would be 5 inches to 1 foot in depth. I am sorry I am not good with metric measurements.
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richie_jones
Posts: 50
Joined: Thu Feb 19, 2009 4:48 am
Location: North west (Mold)

Post: # 47714Post richie_jones

Best practice is to Vary the sub base not the sand....
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seanandruby
Site Admin
Posts: 4713
Joined: Mon Jun 26, 2006 11:01 am
Location: eastbourne

Post: # 47717Post seanandruby

Hi bo. Was the soil stabilisation done professionally?
Sounds like if it was'nt then your patio will fail. You cant really lay a patio on a slope, you want a slight fall at most. The sand at that depth, is a complete no, no. You only want the bedding layer to be 40 ml. You will probably have to dig out and place a sub base. :(
sean
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lutonlagerlout
Site Admin
Posts: 15184
Joined: Fri Aug 04, 2006 12:20 am
Location: bedfordshire

Post: # 47722Post lutonlagerlout

the OP is in florida so i guess things may be different there ,but 1 foot of sand seems extreme and likely to fail
LLL
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Bodine
Posts: 2
Joined: Mon Apr 05, 2010 12:38 am
Location: Tallahassee, Fl. USA

Post: # 47725Post Bodine

You have re assured my thoughts, I will be adding more base and topping with a consistent depth of sand.
Thank you for your replies.
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