Just taken delivery of the new bath tub, and a Geberit waste/filler for
it. Instructions are mostly in picturese (which I don't speak,
prefering English, German, French, Spanish or Japanese), I shall be
asking them for some proper instructions or they can have it back.

One panel right at the end of the instructions actually has some Englis
in it, saying:

"When foaming the cavity, the two mechanism housings need to be sealed
with self adhesive tape." - picture shows the the cavity under the
bath in dark grey.

Ok, I understand that we don't want polyisocyanate foam in the
mechanisms, but I have never heard of anyone 'foaming the cavity' under
a bath before. Is it one of these new Part Z stupidities, or do people
really do it?

R.

In article , TheOldFellow
writes
Just taken delivery of the new bath tub, and a Geberit waste/filler for
it. Instructions are mostly in picturese (which I don't speak,
prefering English, German, French, Spanish or Japanese), I shall be
asking them for some proper instructions or they can have it back.

One panel right at the end of the instructions actually has some Englis
in it, saying:

"When foaming the cavity, the two mechanism housings need to be sealed
with self adhesive tape." - picture shows the the cavity under the
bath in dark grey.

Ok, I understand that we don't want polyisocyanate foam in the
mechanisms, but I have never heard of anyone 'foaming the cavity' under
a bath before. Is it one of these new Part Z stupidities, or do people
really do it?

It's been discussed here before and I think it's a really good idea,
adds support to the bath and insulates.

One dissenting voice mentioned the risk of trapping moisture against
framing and risking rot if there were leaks in the bath sealing but I
think that is avoidable, perhaps by engineering a small gap behind the
bath.
--
fred
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