Patio repair

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17 Jul 2019
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Leicestershire
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Hi all,

Just hoping to siphon your knowledge and experience to help me with a DIY patio fix.

So the slab patio in my back garden is wobbly and has grass / weeds coming through the joins.

I've lifted a couple of slabs up to see what the bed is like and it's as attached.

I was just wondering what would be the best way to fix the slabs. I want to keep the same slabs, just a new bed.

Can I just fill in the gaps between where the existing mortar is with new mortar and then re lay and re point?

:)
 

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Ufortunately the best fix is to relay properly with a full bed of mortar, that was laid by a caravan dweller at some point in the past, guaranteed to fail. If the subsoil was also not fully compacted you may be able to drive those dabs downward enough to be able to get a full bed of sand/cement in place.
 
Hi @Mike13 - Thank you for taking the time to reply.

It would seem as though under the dot and dabs, its just lose soil.

Would the best course of action be similar to;

- Remove slabs and existing mortar.
- Compact soil.
- Create and compact a new hardcore bed.
- Relay slabs using a full mortar bed instead of dabs.

I am very inexperienced with this type of thing and knowing that its likely to cost me a bit of money, i'd rather get it right first time and build it to last...unlike the previous owner.

Thanks again,

Adam
 

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