Er OK - thanks for the NO NO NO silicone tips - the stuff I was thinking of probably has no silicone in it anyway - I get the feeling that the Dutch word for silicone is used as a generic term for that sort of sealant anyway...

...I might investigate roofing alternatives instead of the bathroom options... (Sorry to slightly thread jack)

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1992 W201 190E 1.8 171,000 km - Daily driver
1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone
1965 Land Rover Series 2a Station Wagon CIS recovery therapy!
1961 Volvo PV544 Bare metal rat rod-ish thing

I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior



Don't leave that there - I'll take it to bits!