On Mon, 26 Oct 2009 14:05:10 GMT, pete wrote:

The secret to any bath / wall sealant is to have absolutely no flexture
between the bath and wall, from when the bath's empty to when it has
200kg of water + person(s) in it. Without that, nothing will work.

That's why you should fill the bath with water before you apply the
silicone sealant, then leave it full for at least 24hrs afterwards.
The gap will be at it's widest with the load and will put the seal
into compression when empty. Rather than sealing with the bath empty
then having the seal in tension (thus prone to failure) when the bath
is used.

--
Cheers
Dave.