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Garden
planning
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Depending on your foundation,
either lay a 50mm (2in) layer of sharp sand on well-compacted subsoil and roll
it flat - the slabs are laid directly on to the sand - or lay 75mm (3in) of
compacted hardcore and cover it with 25mm (1in) of sharp sand. Bed the slabs on
fist-sized 'dabs' of mortar placed one at each corner of the slab and one in
the middle.
• A walkway for
occasional use can be laid directly onto a base of sharp sand.
•
A patio is best laid on pads of sand-and-cement mortar placed on compacted sand
over a sub-base of broken-brick hardcore.
Step: 1 Starting in one corner, put down the five
dabs of mortar (if applicable) and then lay the first slab, tapping it into
place with the handle of a club hammer.
While placing your slabs, stand on scaffold boards laid across the
sand base.
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Step: 2 Then lay the second slab in the same way,
using off-cuts of hardboard as spacers between the two slabs.
Step: 3 Continue laying slabs outwards from the
corner, using the spirit level and straightedge at regular intervals to ensure
the paving is flat.
To make your paving slabs easier to handle, lean them against a
wall and raise them off the ground on two lengths of wood.
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Step: 4 Having laid all the paving slabs, remove
the hardboard spacers and brush dry mortar mix into the gaps, then lightly
sprinkle with water to set it off. You will then need to finish off the edges
with moulded-concrete edging strips.
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