Preparing walls for paint

Philip_of_Smeg · 2026-05-18T20:26:21+0100

Hello

I have recently brought a house and I am starting to decorate. I have stripped all the wallpaper off in the small bedroom and the walls looks like this....

I'm not sure what this is, if its old paint or plaster. I am wanting to paint the walls and I have already washed the walls with sugar soap. I've read about using Zinsser Gardz but I'm not sure if this is right or just do a mist coat. Can you guys advise me on the best way to approach this?

My apologies but I initially posted this in 'Your Projects' section.

Thanks
Philip

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Preparing walls for paint

Philip_of_Smeg

DIYnot Local

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