30 year old double glazed windows

Question

Whilst the Anglian windows are still perfect the rubber seals are leaving black rubber residue on cleaning cloths and the black rubber coming off stains the external white finishes. A specialist says that the strip seals cannot be replaced due to their specialised profiling. Is there a clear silicone (or whatever) product that I can paint over the black sealing strips to reseal them?

Edward · Answer

The seals themselves are breaking down so any attempt to re seal would only be a temporary fix

Bill · Answer

No reason that the black gasket seals can’t be replaced, on the older style profiles the gaskets are added at the time of glass fitment, modern day windows now have co extruded gaskets ; one piece system as part of the glazing bead.

Paul · Answer

Unfortunately there is nothing you can do and do not use silicon on the gasket 
 if you get black marks on the window when cleaning the glass or the window frame you can use a. Cleaning product called solvent only for white upvc windows

Lenny · Answer

You can get black rubber wedge gasket in all different thicknesses, just tap this on online you will be surprised how much is of there

Imre · Answer

Yes you can. You need to check the profile of the gasket and looking for same or similar on the internet or by a window factory. Not necessary to be same just watch the leg on the gasket. Sorry for my english!

Stephen · Answer

it would be very difficult to seal them and silcon probly wont adhere you are probly cleaning rubber with too strong a cleaner try using soapy water and clean black marks on window with acetone nail varnish remover}

Kirk · Answer

U need new rubbers  thay will start getting short in the corners wen thay dry out thanks

Patrick · Answer

Hi, it may be possible to cut existing black gasket out and replace with a black silicone seal very carefully.

Christopher · Answer

Hi there, If your windows are aluminium you can swap the gasket but if uPVC I would suggest a PVC cleaner for your white frames (white only). This will take away any black stains from the rubber seals. I would not suggest painting anything. I hope this helps. Thanks Chris

Ollie · Answer

There is 'forever clear' silicones you can use. But if your gaskets are starting to perish, it might be time for an upgrade.

30 year old double glazed windows

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