In article ,
The Natural Philosopher wrote:
Dave Plowman (News) wrote:
In article ,
The Natural Philosopher wrote:


Most of these 'rubber in groove or groove in rubber' things are
designed to not need glue at all.

So how do you prevent water siphoning underneath?


The same way any compressed rubber seal works. By filling all the space
with rubber.

Car doors don't tend to have a micron perfect fit. And in most cases
aren't round, either.

Even Drivel doesn't use silicone on his pushfits.

You seem to have moved on from decorator's caulk...

--
*How much deeper would the oceans be without sponges? *

Dave Plowman London SW
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