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How to paint newly plastered walls.

Top Tip If you are having a new warm roof or new conservatory, one of the final trades with you, will be our plasterer. We know you will be keen to get decorated and start using your new space but painting a newly plastered room requires a little more preparation. Follow these steps for a professional finish.

Newly plastered warm roof conservatory
Newly plastered warm roof conservatory

1. Leave the plaster to dry

First things first, let your plaster dry properly! Plaster is extremely permeable, which means it’ll soak up any moisture quickly. If you don’t let the plaster dry and apply emulsion paint to wet plaster, it’s likely to crack and peel off. You should see the colour of the plaster change from dark to light pink. In warm weather and with good ventilation this could take 1 - 2 weeks.

2. Apply a mist coat

Mist coat paint is simply watered down emulsion paint, which acts as your primer. All you need to do is get some white emulsion paint and thin it out with water – it’s that easy! Three parts paint to one part water should work. Once painted, leave to dry for 24hrs to seal the plaster. Be warned this watery coat can get messy!

3. Apply your top coat. The final step for painting new plaster is the most exciting – adding your top coat and that all important splash of colour. With all the prep work done, you can now paint your wall and decorate your room as you would normally.


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