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How do I build a drive?

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Matt_H:

--- Quote from: "v8kenny" ---Matt
It's exactly like laying kitchen floor tiles but on a bigger scale ! - I even draw squiggly lines in the mortar with a trowel to give a "combed"  effect like tile adhesive before setting the slabs down
Area quoted is for mixed sand
Trug
Yes you can lay on a dry mix but you get a stronger and far better result using a wet mix - once you have tapped a slab in place the suction caused by the wet mix makes it surprisingly hard to lift off
A wet mix also flows better and is easier to level and to push the slabs into
--- End quote ---


Thanks for that - your instructions will save me masses of time, effort and potentially effort... now for the difficult bit - agreeing with the wife what slabs to buy!

Matthew

j99mud:

--- Quote from: "Matt_H" ---

also no hardcore or agregate needed (I assume the ground shold be firm and ideally rolled or stamped on)

Matthew
--- End quote ---


no for a drive way you need AT LEAST 100mm of crushed concrete or type 1, we allways put down 150 mm of it! lay the mortar fairly wet at a depth of 40/50 mm so the slabs bond to it well if it is too dry they come loose! make sure you do about 3-4 passes over the crushed/ type 1 with a decent waker plate also dont knock up too much gear in one hit if it is warm it will dry too quickly just do a couple of gauges and use them and repeat untill the job is done!
if u need any other info just shout

EDIT:- if you dont put dont a sub base of crushed concrete/type1 your drive WILL sink and look awfull!

regards james

Matt_H:
so we have
landscaper #1 v8kenny saying no base
landscaper #2 j99mud saying that it is essential

so who is right?

landscaper #3?

Matthew

j99mud:
definately need a sub base, you intend to drive a vehicle on it and it WILL sink without a decent sub base (you even need a 50mm sub base for pedestrian paving) you have a pm

Matt_H:
whats a sub base made out of?  How much does one cost?  Can I just buy a couple of tonne bags of smoething, I dont fancy trying to break up bricks and dont wantt o use one of those whacker things as the neighbours will only complain.

so thats added another 4 inches on top of the 2 inches mortar and 2-3 inches of slab - that makes 8 inches minimum I guess :-(

Matthew

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