Tanking slurry over pebbledash?

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Hello,

Does anyone have any experience/advice for painting a pebbledash wall?

The dashing on the rear of my house has a few cracks which is causing water to drip from top reveals of a couple of Windows.

I am planning on applying a tanking slurry over the dashing before painting over it.

A last resort as I have attempted to repair cracks but its a losing battle.

Any advice would be appreciated.

Thanks

Jack
 
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You may want to consider Toupret Fibacryl. It is a caulk like product that has fibres in it (available in tub or 300ml tubes).

It does shrink back but you can then apply a suitable filler over the top and attempt to replicate the texture.

I was late to the game with regard to Fibacryl, having only used it for a couple of years, but I have been very impressed thus far.

Apropos a tanking slurry, I don't have enough experience of using them to comment. My concern would be that too might crack. You may want to ask the mods to move the question to the plastering section of the forum.
 
I've just painted over canterbury spar pebbledash.

Every technique I read was different, including the slurry you've mentioned.

The surface was very porous, throw a cup of water on it, and is soaked into the wall before it got chance to make it to the ground.

In the end, I painted with white sandtex smooth masonry, slightly watered down.
Then a coat of good quality smooth masonry, I will only be needing one coat, as the coverage is very good. (Johnstones stormshield masonry) I've had it mixed.

So far it's been 30L of white first coat, to 15L of colour.

I filled the odd crack with tourpret filler, but there were hardly any.

If the surface is chalky and brittle, you could always use a stabiliser first, I have used Everbuild 406 before, it turns crumbly surfaces to a hard finish.

Its not a job I'd like to repeat, it's quite time consuming, but the final result is worth the effort.
 

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