"Tim Mitchell" wrote in message
...
In article , R W
writes

snip

Well, all sealants are waterproof, but all are not created equal. If you
use the expensive silicone you will not have the problem. Some of the
cheaper ones are OK too but it's such a pain scraping it off, you may as
well spend a few quid more and use the best stuff. Your choice...

Quite - I apply the rule of thumb of dividing the "Guaranteed for X years"
figure by 5 to get the true figure. "Guaranteed for 25 years", for example,
means it may last 5 if you're lucky, and so on.


--
Bob Mannix
(anti-spam is as easy as 1-2-3 - not)