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Painting & Decorating

Lining paper over the wrong undercoat

Anonymous user 23/02/2024 - 2.47 PM

Have spent an eternity removing the woodchip from my lounge walls. As you might expect, it revealed walls in poor condition, with several different paint colours and some areas of bare plaster. I bought some heavy grade lining paper but read it was best to paint the walls first to even out the colour. Unfortunately I figured this required 'undercoat' and merrily slapped it all over two of the walls before realising (only by reading the teeny tiny print on the tin) that it is undercoat for wood and metal. I've read that I should sand the walls so I can hang my lining paper, but I've been doing so (medium coarse paper) and it doesn't seem to be making much of a difference. Will this sanding be sufficient for me to properly hang my lining paper? The walls still look quite plastic-y. Or should I buy a tile primer and paint it over the top? Thanks for any advice you might be able to give!

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3 Answers

s.mooney

Rating: 5 out of 5
Leeds
to late but never paint walls before lining a good rub down with sander then pva then a light rub down with smooth sandpaper
Answered21 January 2019
2

MPEP Building Services

Rating: 5 out of 5
Seaford
Would it not be much cheaper and easier and less time to have it skim plastered over. Failing this PVA the walls give a light sand of and PVA again then should be fine to go onto. Get a Unibond make PVA or equivalent as it will not become live again if water comes into contact with it. Apply on sponge or roller and make sure no flakes of paint appear and peal of wall if they do then remove all loose paint and then i would plaster skim. Good luck
Answered3 November 2013
0

N J Broxholme

Rating: 4.9 out of 5
Worksop
Hi Wenders42 My advice would be to use medium grade sand paper wet and dry which will create a flat finish not plastic and then id use pva paste self activating for the lining paper. With you sealing the walls with an oil base a normal paste cant penetrate into the wall as well as the paper which is what should happen so pva is you best option. When you use wet and dry you will get what p&D call slurry this needs sponging off with clean water and keep changing your water keeping clean water. Hope this helps Nathan NS Decorators
Answered3 November 2013
0