Laying a travertine patio - A little help please

Patio flagstones (slabs), concrete flags, stone flags including yorkstone and imported flagstones.
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worz
Posts: 6
Joined: Mon Aug 04, 2008 12:15 pm
Location: London

Post: # 30527Post worz

First of all, what an excellent website, its already been invaluable to me. However I am about to lay a travertine patio and just have a couple of questions i wanted to sort out before I start.

It will consist of 2 patios around a new extension, 1 approx 5mx3m and the other 2.5mx2.5m

Firstly my ground level is already about 5 brick courses below my patio doors and I want to bring it up nearer this level. Its currently compacted soil. I was aiming to use approx 75mm of type1 as the sub base then a 50mm of a sand and cement mix for the bedding. This will bring the level up near to my ideal height.
I know you are supposed to leave 2 brick courses below the damp course but can you go higher if you use gravel against the wall? If so how high and how wide does the gravel part need to be?
Is it better to do some sort of edging first or last?
For these slabs would screeding be the best method or just individual laying?
I have been advised to use white cement.
Do i need a compactor
Any other tips gratefully recieved.

Many thanks
David

slimdotjim
Posts: 43
Joined: Tue May 15, 2007 5:49 pm
Location: derby

Post: # 30556Post slimdotjim

NO you cant go higher and bodge with a strip of gravel, stay 150mm below and build a step. Use driveway kerb stones with 2 external corners fill the void and top with travertine, make the step as wide as the doors( its a safety thing)
Do your edging first. (helps with screeding)
If the slabs are of a very uniform thickness, then a screed bed would be acceptable.
If you have been advised to use white cement ( by the slab manufactures I assume) then use it.
Yes you need a compactor.
Travertine is best used in a south facing position as it can become slippery in any but the driest situations.
Personally I prefer to lay natural stone on a full bed of mortar.
If your slabs are random sizes work it out on paper first or use one of the many patio generators available

seanandruby
Site Admin
Posts: 4713
Joined: Mon Jun 26, 2006 11:01 am
Location: eastbourne

Post: # 30562Post seanandruby

............and read the main index its all there for you to look at.
sean

worz
Posts: 6
Joined: Mon Aug 04, 2008 12:15 pm
Location: London

Post: # 30571Post worz

Thank you for the advice guys.

Rich H
Posts: 884
Joined: Thu Feb 08, 2007 12:28 pm
Location: Reading

Post: # 30572Post Rich H

Good advice slimdotjim but I'd build the step out of brick and top with slabs, then face the risers with cut slabs so that the entire structure matches the paving.

slimdotjim
Posts: 43
Joined: Tue May 15, 2007 5:49 pm
Location: derby

Post: # 30573Post slimdotjim

Right posh ???

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