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You can use diluted paste to seal the wall.
Trad was to use Size which used to be animal skin glue - and has a distinct smell
😋
The diluted paste would still be water soluble though I guess, size would need heat to dilute
Alternatives are PVA or SBR.Caveat;
I haven’t done any papering for years (thank god).Edit; sealing the wall correctly is important, you want to be able to move the paper - so you do t want too much suction but you don’t want it totally sealed or the paste dries like a skin and will peel off.
I’d recommend Size.
absurdbird
Got away with yesterdays wallpapering nightmare as the good folk at Photowall are sending out a fresh set of paper foc.
Can anyone recommend something for sealing a newly painted wall to stop the paint from mixing with the paste again? Is a thin layer of paste applied first a good idea?