Wallpapering newly plastered walls

Question

Should I PVA my newly plastered walls before papering to stop the moisture being sucked out of the paste?

Nathan Philip · Accepted Answer

Paint Tiling Preparation Guide


Nathan Mason
What's the best way to prep tiles for painting over them and what are the best primers, paints and sealants to use?


To prepare tiles for painting, you should:

Clean the tiles thoroughly with a degreaser and allow to dry completely
Sand the tiles lightly with fine-grit sandpaper to roughen the surface for better adhesion
Clean the tiles again to remove any dust
Apply a primer specifically designed for ceramic tiles such as Kilz Adhesion or Zinsser Bulls Eye 1-2-3 Plus 13 oz. Primer.
For painting, you can use a ceramic tile paint like Rust-Oleum Specialty Tub & Tile or a waterproof paint like Behr Premium Plus Ultra.

To seal the paint and protect it from moisture, use a clear sealer like polyurethane or a waterproofing sealant like Krylon Sealer or Aqua-Seal.




Nathan Mason
Should I PVA my newly plastered walls before papering to stop the moisture being sucked out of the paste?


Yes, you can use PVA (polyvinyl acetate) as a sealer on newly plastered walls before papering. PVA helps to prevent the moisture in the wallpaper paste from being absorbed into the plaster, ensuring a stronger bond and a more even finish.

To apply PVA, mix it with water at a ratio of around 1:5, then brush it over the wall and allow it to dry completely before papering. It's recommended to apply a second coat after the first coat has dried.

Keep in mind that using PVA as a sealer is optional, as some plasters have low suction and may not require it. It's always a good idea to check with the manufacturer's instructions or consult a professional if you're unsure.

John · Answer

Doesn’t have to be pva. You could use  a thin coat of emulsion or a thin coat of adhesive. It’s just something that seals the new plaster .

Stephen · Answer

Yes.always seal a newly plastered wall.we use a scratch coat as it's cheaper.just water down some emulsion.and paint whole area.that will seal.it

Adam · Answer

Use a watered down wallpaper paste or buy size. To be fair watered down pva will probably do the job

Charles · Answer

PVA does the job , but I would just paste the wall with the paste your going to use for the wallpaper that does the same job

Simon · Answer

Hi Yes that would be a good idea . Alternatively a mist coat is white emulation paint will do the same job .

Gezim · Answer

Yes but just add more water on pva when you mix the pva with water

To be breathable the wall

Andrew · Answer

Although this can work I would suggest sizing the wall, which is using a diluted wallpaper paste solution. There are specific wall sealing products or if you look on the back of a box of solvite all purpose paste it will give you the ratio needed. You must ensure the new plaster is completely dry.

William · Answer

On newly plastered wall's you should always prime the wall's first with watered down paste

Colin · Answer

Yes I would or sise the walls either way it’s going to do the job

Max · Answer

Make sure plaster well dried first or coat with wallpaper paste first and let it dry first

Alin · Answer

Yes You can pvayour walls  before wallpapering If You want.

Aaron · Answer

U can give your walls a miss coat witch is a matt paint and u mix up with some water

Wallpapering newly plastered walls

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