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  • 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?

  • Have a look at Gardz, I'm not sure if it's designed to do what you want but it's similar.

    Double lining is an option but you don't mention what type/weight of lining paper you're using.

    As already mentioned the walls should be 'sized'. In this day and age that's normally with the same paste as you're using for the paper. There are a couple of different types of paste but I usually use it premixed and I don't dilute it for sizing.

    It seems from your description that the paint didn't have enough time to dry properly, I've seen this happening with papering before, normally it's a light colour and doesn't permeate the paper. I always use a thick lining paper these days, the lighter stuff isn't worth the problems it can give you.

  • I'd not heard of 'sizing' or lining paper until it all started to go wrong honestly.

    The instructions that came with the wallpaper mention sealing a wall if pourous, but I thought it would be ok with two coats of white paint to onto. How necessary is the lining paper?

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