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Страница 2: ...e of the tray N B On concrete floors the ply is not required A trench for the trap and waste pipe will be required which gives sufficient access for connecting the plumbing once the tray is installed Cover the base with a full screed of a weak mix of sand and cement 5 1 ratio or an alternative cement based tile adhesive Spread the screed evenly where the base of the tray will sit do not allow the ...
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