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Touching up/repairing old polyurethane?

Posted: Fri Oct 05, 2018 9:54 am
by robgil
I have a large chip in some polyurethane that I need to repair, I need to fill it in, the original has yellowed over the last 40 odd years to a golden honey colour. If I fill with new polyurethane will I have to tint it to get it to match the existing? Im not after an invisible repair, just want to minimise the damage and make it look less of a mess.

Also, can I thin polyurethane so it will leech under some finish thats still attached but lifted from the wood?

Any help would be greatly appreciated.