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  • Hairline crack/tiny hole in cast iron (?) radiator - what’s the go-to to fill it in? read about some two-part expoxies, but not sure if there’s a particular brand or product that suits best?

    Might be worth mentioning we’re planning on removing and stripping/repainting them all when the building’s central heating goes off (probably April)

  • what’s the go-to to fill it in?

    Rebuild with fresh sealing washers.

    Until then.
    Piece of softish rubber to plug the hole and a jubilee clamp to go around the joint and hold the rubber in place

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