Please refer to the attached ACO installation drawing number 22007.
The HexDrain Brickslot channel should be laid into a concrete surround (minimum strength C20/25) with minimum thickness of 50mm x the full height of the channel.
The HexDrain Brickslot channel should be installed 3-6mm lower than the surrounding surface finish.
The “Y” dimension shown below indicates the full height of the channel less the upstand (83mm).
Installation into Block Paving:
The polymer modified mortar referred to is readily available from most builder’s merchants, but this can be a standard sand and cement mix with a “SBR” additive.
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