Hi All
I'm going to lay some 450 x 450 concrete slabs on the edge of my drive and I know they will eventually be driven on by wife & daughters - despite dire warnings not too.
So, I plan to put in 6" deep footings, 4" of hardcore & 2" of concrete, then lay the slabs on a solid bed of mortar - about 3/4" thick.
Is that going to be strong enough, or do I need to keep digging?
Dave
Do they still advise 'hardcore' in such things (I don't think they do in 'footings' etc)?
I know a local guy who just added a 3rd 'pad' to his front hard standing (to add a van beside the two cars) and I noted:
1) It was dug fairly shallow 2) They put hardcore in in places 3) There was an iron gate in one bit ??All the best ..
T i m
Depends on weight of wife and how many daughters. If in doubt - keep digging and increase the concrete thickness !!
Pete
Get strong thick slabs, not cheepie B&Q ones, you may have 1/2 a chance.
Rick
That will easily be enough. I toshed some 2" thick 600x600 conc slab on mud as a temporary (2 years ago!) measure to park a car and they ha only settled minimally and no cracks - surprised me!! Your build up wil be well adequate
-- Cordless Crazy
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