Putty - add linseed oil to soften old putty

i recall my father used to revitalise old putty using linseed oil. well, i think it was linseed oil. he used to add it to those little pots of selley's putty (with the green lid). does anyone know how much to add?

lindseed oil is correct, when i was young and we were building our house, (making our own windows) we made our own from lindseed oil and whiting. (i assumed at that time it was ground up fish but believe now that it is finely ground limestone with no impurities) …. in terms of how much, i would say how dry is the putty? …. just add a little and try to work it into the putty and keep going until it gets pliable


regards david

Yes add linseed oil if the putty has dried out too much, how much depends on what you intend to use the putty for.
If you add to much just add calcium carbonate, easy to find as Pollifilla powder at the hardware store.

If you are glazing windows the calcium carbonate can be dusted with a soft brush to remove the oil marks on the glass once you are finished.

I keep my small tub of putty in a large jar of water with a screw top. Does not dry out and go hard, lasts for years.

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Originally Posted by burraboy

I keep my small tub of putty in a large jar of water with a screw top. Does not dry out and go hard, lasts for years.

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Good trick.

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Originally Posted by droog

Yes add linseed oil if the putty has dried out too much, how much depends on what you intend to use the putty for.
If you add to much just add calcium carbonate, easy to find as Pollifilla powder at the hardware store.

If you are glazing windows the calcium carbonate can be dusted with a soft brush to remove the oil marks on the glass once you are finished.

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Hey droog. Filling nail and screw holes prior to painting. Haven't done a window in years. I think last time was over 10 years ago. Memories, like the corners of my mind....

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Originally Posted by robbygard

lindseed oil is correct, when i was young and we were building our house, (making our own windows) we made our own from lindseed oil and whiting. (i assumed at that time it was ground up fish but believe now that it is finely ground limestone with no impurities) …. in terms of how much, i would say how dry is the putty? …. just add a little and try to work it into the putty and keep going until it gets pliable


regards david

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Thanks Robby. Where did you build?

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Originally Posted by ajm

Thanks Robby. Where did you build?

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we lived on 5 acres at wetherill park in sydney west. .. the street on which we lived is no longer in existence and is wall to wall houses. ... before that we lived (again) on 5 acres at bossley park .. that place is now the car park of fairfield? hospital

regards. david