How long does paint last once opened?

Question

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?

David · Answer

It will smell of rotting eggs, 18 months is a long time, for water base paint, specially when it as been open before

Wojciech · Answer

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

Ray · Answer

Don't use this it will smell if bad eggs... especially if it's been left in the cold

Michael · Answer

Personally I would chuck out 
It could be okay make sure you stir thoroughly

Matthew · Answer

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

Stephen · Answer

If you have secured the top correctly then should be ok for a while

If it smell funny then it's no use

Only thing I will say is if your using it for touch ups it will be no use now as the paint on the walls will be sun bleached so after 18 months it will be a different colour.

Get a new tin and do the full wall or walls

Awwal · Answer

Different points have different expiry dates but most paints could last up to two years

Mark · Answer

Water base Emulsion around 12 months . After that it usually start to spoil and will develop a Rotten egg smell

Carlos · Answer

If the tin was properly seal , is most likely you can used . To check if you can use it, check the  texture and the smell,  most likely if smells like rotten egg is al ready off

Georgios · Answer

It should be ok depending on were it’s been stored give it a good stir ,should be good to use

How long does paint last once opened?

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