[nerd_flanders]

The alkyd oil based stuff wasn't it was a solid shell that didn't allow anything through.
Is water based enamel the same?

 

[chrisn]

no,it is not

 

[ccarlisle]

Only chrisn can say in 4 words what it would take me three paragraphs to say...of course, he's right!:laughing:

 

[Maintenance 6]

Agreed they are not the same, but both are permeable to some degree.

 

[Matthewt1970]

Permeable, Yes. However it is very very very slow for any liquids or gas/air to pass through.

 

[nerd_flanders]

thanks for your help.