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When it comes to laying paving, try and use a coarse grade sand like packing sand, paving
sand, or washed river sand. These sands have the unique property of packing down tight
underneath the pavers.
The next step in the paving process is to set your screed rails. Screed rails are used
to set your levels. They can be any round PVC pipe, [gel] pipe. In this situation, in
this demo, we're just going to use a couple of conduits. Set your conduits into the sand,
and now level it off. When you set your screed rails, make sure that you have a 15-millimeter
fall away from the house, every one meter stretch of paving.
Now, screed the sand off along the screed rails using a piece of timber, a concrete
screed, any flat surface, really. This will give you a flat surface, ready for paving.
After the screeding is finished, pull out the screed rails and just backfill the screed
rail holes with a bit of the sand. Float the sand off, so that your surface is leveled
and ready to pave. Pull out the other roll, and repeat the process on the other side.
We're now ready to pave. The next step is to set some string lines along the boarded
edge. For this demonstration, we're just using the timber edge of the box as our boarded
edge. Start placing your pavers in a pattern you've chosen. In this particular case, we're
going with herringbone. Herringbone pattern is quite good, because it interlocks each
paver, and adds strength to the whole job.
All right. Once you've laid all your full block pavers in, as you can see, you've got
a lot of half blocks. These can be cut with a diamond wheel blade on a 100-millimeter
grinder, and added in at the last moment. Once you've actually added those in, it's
just a matter of tapping them down. Once the tapping is done, use a fine grade sand to
lock off the joints.
Finish off the edge with a bit of concrete, and that's your paving job.