No edge for paviors - Retaining the blocks

irishpaving · Post: # 39528Post **irishpaving** Wed Jul 08, 2009 9:26 pm

any idea on how to block at the edge of this wall without it moving once the surface concrete has been removed

gallery

click gallery for pic

Post: # 39568Post **Tony McC** Thu Jul 09, 2009 9:07 pm

Which side are you paving: top or bottom?

irishpaving · Post: # 39588Post **irishpaving** Fri Jul 10, 2009 11:20 am

the drive is the top one what the van is sitting on... ty

irishpaving · Post: # 39589Post **irishpaving** Fri Jul 10, 2009 11:21 am

Fri Jul 10, 2009 5:12 pm

well if the vertical edging is sound you can block to it, otherwise you would have to break it out and build a 225mm retaining wall.

if you block to it,i would bed the perimeter blocks on lean mix

LLL

Post: # 39713Post **Tony McC** Tue Jul 14, 2009 3:50 pm

What's the retainer edge? Is it cast in-situ or is it a standalone structure? I can't make-up my mind from that photie as to whether it's a cast concrete wall or it's a flag-on-edge.

irishpaving · Post: # 39738Post **irishpaving** Tue Jul 14, 2009 8:32 pm

it is cast concrete retain wall Tony

Post: # 39765Post **Tony McC** Wed Jul 15, 2009 7:20 pm

So it has to stay in place? How much will remain? Will the paving need to be laid over the top of it?

irishpaving · Post: # 39835Post **irishpaving** Thu Jul 16, 2009 9:49 pm

yes the paving has to be laid over the top

Post: # 39837Post **Dave_L** Thu Jul 16, 2009 10:15 pm

Nail the edge blocks down?

(Sorry that was a bad attempt at a joke!)

Post: # 39844Post **Tony McC** Fri Jul 17, 2009 11:49 am

Anchor bolt a length of angle iron to the edge of the existing concrete. You need an L-profile angle iron roughly 100mm x 75mm. Fasten the 100mm face to the existing concrete ensuring the bolts are somewhere around 75mm back from the face of the wall.

Next, bed your edge course or kerbs on a SBR mortar over the angle iron. The SBR will provide excellent adhesion while the upright flange of the angle iron acts as the retainer.

Given the perilous plunge to the lower side of this driveway, I'd be mightily tempted to use the kerb-with-upstand option rather than the plummet-over-the-edge version shown on the right.

irishpaving · Post: # 39860Post **irishpaving** Fri Jul 17, 2009 8:52 pm

lol nails.......... ok ty for that tony

Sat Jul 18, 2009 2:26 am

TBH irishpaving ,you have had a lot of help on this one,and the gaffers looks the best, in the past i have offered to do a neighbours drive at cost in this scenario and they still didn't bite.
the last solution looks good if complicated,if you build a wall it has to be 225mm thick,which reduces the drive
regards LLL

irishpaving · Post: # 39904Post **irishpaving** Sun Jul 19, 2009 5:05 pm

yeah will go wiv the gaffer's idea....

irishpaving · Post: # 39925Post **irishpaving** Mon Jul 20, 2009 6:46 am

Will put up some pics if it goes ahead.. TY for advice