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How to concrete the perimeter round my house

nfds
Budding Contributor

How to concrete the perimeter round my house

I intended to concrete the perimeter round the house, but I find that there is a black plastic sheet jutting  out  from the  foundation of the house. Could I get some advise  on this?

 

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MitchellMc
Bunnings Team Member
Bunnings Team Member

Re: How to concrete the perimeter round my house

Hi @nfds,

 

That black plastic appears to be builders underlay film which prevents rising damp through the slab. I'd advise chipping off all that excess concrete so it is flush with the wall. You can then apply Crommelin Exterior Grade Brushable Waterproofer from the black plastic up over the concrete slab and then finish at the bottom of the first course of bricks. You then should install an expansion joint to isolate the new slab from the wall. Next, you'll form up your concrete path/perimeter and pour your new slabs.

 

You should find these step-by-step guides helpful:

 

 

 

 

Please let me know if you need further information or have questions.

 

Mitchell

 

 

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