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How long does paint last once opened?
I've got half a tin of dulux emulsion left over from about 18 months ago. Is it still usable, and how can I tell if it's gone off?
Expert Trade Answers
"It will smell of rotting eggs, 18 months is a long time, for water base paint, specially when it as been open before"
Answered on 1st May 2026 - Member since Jan 2018 -
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"I reccomend not to use that paint. 18 months is definitely too long for emulsion.
To avoid further pell of please recycle it in nearest recycling centers"
To avoid further pell of please recycle it in nearest recycling centers"
Answered on 1st May 2026 - Member since Mar 2025 -
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"It depends on where you keep it stored and if its well sealed, there is no specific time limit but if you open it and t smells it's not good"
Answered on 1st May 2026 - Member since Jan 2017 -
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