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Painting on top of coloured render

tdiman · 2016-05-09 12:36:38

House is about 9 years old. Want to paint over render. It is a warm cream colour and have found a close match with regular masonry paint. Render has a fleck in it. There are patches that are well weathered. Also some patches with the red starting to come through. Wanted to ask: 1. Treating red marks, have head multiple…

09-05-2016 12:36pm

#1

tdiman

Registered Users, Registered Users 2 Posts: 37 ✭

Join Date: April 2007

Posts: 20

House is about 9 years old. Want to paint over render. It is a warm cream colour and have found a close match with regular masonry paint. Render has a fleck in it. There are patches that are well weathered. Also some patches with the red starting to come through.

Wanted to ask:
1. Treating red marks, have head multiple causes and treatments for this. Which is best? What pre treatment is needed?
2. For weathered patches, how best should I tackle these - what undercoat should I use?

Thanks for any help.

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