Johnstone’s Stainaway Review – Stain Block and Finish Coat in One

Johnstone’s StainAway Review – Stain Block and Finish Coat in One

By Mike Gregory


Johnstone’s StainAway is an emulsion that acts as a finish coat and stain block in one, eliminating the need for a separate product. It is available in white or tinted to any colour from Johnstone’s extensive range. You can pick it up in 2.5L, 5L or 10L from any JJC, a million other merchants, or online at places like the Paint Shed.


You must adhere to the 4-hour recoat time of this product in order for the stain blocking capabilities to work. I’m about to get into my Johnstone’s Stainaway review. I hope you find it useful.


On Application


The opacity of Johnstone’s StainAway is awesome. You can easily achieve an extreme colour change in two coats, which is ideal really. You’ll find it easy to use, but does it do what it claims? Block stains and act as a finish coat in one?

Johnstone’s StainAway as a Stain Block


Well, it does work as a stain block, but I wouldn’t put it up there as one of the best paints to block a stain. Johnstone’s Stainaway will handle nicotine, minor watermarks, minor mould, blue tack residue and the like, but if your stain is quite bad, then you will need something a bit more suitable. There are still many jobs Stainaway is capable of, so just pick and choose where you use it.


Johnstone’s StainAway The Finish Coat


I’m going to start by saying this product is lovely to spray and leaves an amazing finish. If you are a paint sprayer then you will have no issues at all.


If you’re using a brush and roller then you will experience a few issues. Although Johnstone’s Stainaway will cover in two coats, the second can picture frame or flash. Roller marks are visible on light sensitive areas. It’s a shame really.




Johnstone’s Stainaway is a stain block and finish coat in one, however it is a compromise of both. It will block stains unless they’re stubborn. You can use it as a finish coat, but the finish isn’t perfect.


To put it another way; Traditional stain blocks will work better on stains and traditional emulsion will work better as a finish product.

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Johnstone’s Stainaway Review – Stain Block and Finish Coat in One