Do I need to prep walls before painting?

Question

I'm repainting a room where the walls are pretty smooth as they were replastered a few years ago. So, is there any prep I need to do or can I just slap the new coat of paint on?

Kevin · Answer

rub down walls withmedium sandpaper to remove any nibs then2 coats of emulsion

Jay · Answer

It’s always a good idea to flick over walls with a piece of fine sandpaper before painting.

Alan · Answer

Use sandpaper or a sanding block to dull any uneven surfaces, wipe away dust with a damp cloth and let dry thoroughly. Smoothing walls before painting is necessary for surfaces previously painted with a gloss or high-gloss paint. For previously painted water-based paint, sand with a fine-grit sandpaper

Michael · Answer

1st coat - Use a thin coat of paint called thinned as manufactures  recommendation, this is called a mist coat
2nd & 3rd coats - Straight from the tin, may need a little thinning for ease of use

Rodrigo · Answer

Yes, wall preparation is inevitable for a good finish.

Ilir · Answer

Hi,
Yes, preparation is very important b4 starting the painting 
Thanks J

Colin · Answer

And the answer ii yes a light sand for the desired effect

Lee · Answer

so easy to do take cap of we use stanley blade lift handle to open and remove two screws the hardest bit will be when you pull handle on the be a locating bar sometime ther 10mm and some could be 10 ml ones you buy now are normally around 30mm but you can cut the bar down with hack saw we use a grinder
hope that helps

Roger · Answer

Maybe use a white wash to seal the plaster if they haven’t been painted

Darren · Answer

Hi if u don't think u can see any knobs or cracks then put a miss coat on 1st then u will see wat needs filling or caulking.. pls don't be fooled just because it's plastered few years bak.. with decorating u will always find a crack or holes some where mainly be in the corners.. hope that helps

Do I need to prep walls before painting?

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