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Coat the underside of the Fundo base with cement-based
flexible adhesive to a minimum thickness of 4-5mm.
It is important that no adhesive gets onto the
main sealing collar. Leave a gap of 2.5mm (right).
Lubricate the outside of the main sealing collar
with plumber's silicone. Position the Fundo over the drain very
carefully. Push the main sealing unit into the drain body until
you are satisfied that the two are fully connected and the base
unit is firmly bedded down onto the sub-floor with the adhesive
(right).
Level out as required and leave the cap-tool
in place until tiling of the base begins.
It is recommended that an evenly-distributed
weight of 3 kg be placed on the unit while the adhesive dries.
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