Can you patch render?

I was looking at the render on the side of the house over the weekend and thinking that it might be time to do something about it. Its an extension done in blueboard and the render has cracked on all of the blueboard joins. Do you think there is any way we can patch it or do we have to go the expensive route and pull off all the blueboard off the house and clad it again?

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Comments

MartyH

Looks like there wasn't allowance for the boards to move. The reasonably dark render colour probably doesn't help with the movement - especially if they cop plenty of sun. I think you would have to pull them all off and start again. I wouldn't use blueboard but something like Scyon. Can look great.

Brad

https://www.workshop.bunnings.com.au/discussion/comment/1766#Comment_1766

I would try scratching the loose stuff out and filling the cracks with no more gaps or a similar flexible filler and going over the lot with a textured paint using a roller.

AHoy

I don't really understand why people render - the darker colours often seem to crack and the lighter colours attract dirt and grime. I think weatherboards or brick are far preferable.

Brad

https://www.workshop.bunnings.com.au/discussion/comment/1770#Comment_1770

I think there has been some good merketing with before and after shots of just how good it looks new with no mention of what you have a few years latter.

At home the old unused wall airconditioner survives because it is a pain trying to match 1950's bricks if it came out, also had a similar problem with the meter box and the eventual fix was a new box inside the old one to avoid moving it and leaving a hole to be patched.

Barker

https://www.workshop.bunnings.com.au/discussion/comment/63162#Comment_63162

Thanks for the replies, I'll keep investigating.

Barker

https://www.workshop.bunnings.com.au/discussion/comment/94078#Comment_94078

I asked a builder about this recently and he recommended pulling it all down and replacing it.

Brad

https://www.workshop.bunnings.com.au/discussion/comment/113589#Comment_113589

That may be like asking a hairdresser if you need a haircut...

Barker

https://www.workshop.bunnings.com.au/discussion/comment/124408#Comment_124408

😀

It was a family friend so I trust his advice @Brad. Agree with the sentiment though!

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