(1) Using a pressure washer
If you do not have a pressure washer, you can rent them for a week-end quite
But it is important to make sure the rental company has a tool called a whirly-gig.This is
a rotary pressure washing tip contained within a circular body and on 4 wheels.
The tip spins around and cleans a circular patch from 12 to 18 inch depending on the size
you have, and as the tip is contained within the body of the whirly-gig, there is much less
overspray to deal with.
Believe me, this tool will speed up the clean, and save you a great deal of
If you just use the pressure washing lance provided with the machine, you will find that
this will strip out a good deal of sand from the joints and this will need replacing when you have
But also this sand will be spread all around your garden and deposited on all of your
walls and windows, meaning that these will all need cleaning when you have finished your
You might need a dustbin to act as a reservoir tank, if your water pressure is not very
- To do this you would place a hose pipe into the dustbin
and allow it to fill up, then place the feed pipe from the pressure washer into the
You will certainly need an old set of clothes or a pair of water-proofs, as cleaning
this way can be quite messy.
When using lances, it is best to use a support belt that
helps to take the weight of the lance and also helps to control the whip when you apply the
After using the whiry-gig you will notice there are some
areas that it has not been able to reach, this is where you use the lance.
You will need to wash off the excess sand from the drive using this lance.
Don't wash this sand down your drains, bag it up and let it dry. You might be able to
re-use it, once it has dried off.
If you intend to re-sand the joints or to seal the blocks with a water-proofing chemical,
you will need to let the drive thoroughly dry out.
To re-sand, wait for a dry day, and simply brush the sand
into the joints,using a soft bristled brush, working your way up and down the drive.
If you intend to seal the drive, do this after you have re-sanded the joints.
Again you need to do this when the drive is dry.