Recommendations for an exterior levelling compound.

FreeBear

Bendy_House said: What's "Fibres can be bought from the merc..."? What are they called, these fibres?

https://www.diy.com/departments/bostik-white-concrete-fibres-bag/5010591004085_BQ.prd - Expensive.

https://www.tdp.co.uk/product/concrete-and-screed-fibres/ - You should be able to get this from any builders merchant.

MikeJXE

What ever you use for a thin screed you will still face the problem of frost heave blowing it all up, a channel is the best choice. 

stuart45

The exterior grade ones like Ardex K 301 won't if the surface is prepared properly first.

Bendy_House

Leon_W said:

Would it not be easier to channel a drain in along the edge of the building ?  Otherwise you run the risk of the water pooling somewhere else !

Good point - will check out if there's a route for that. Thanks

Bendy_House

stuart45 said:

Concrete & Screed Reinforcement fibres 100g bag (bradfords.co.uk)
Like these Bendy. Can you get a bit more fall on the screed?

Thanks.

And, sadly, probably not. I'd be happy with near-level.

stuart45

The only trouble with near level is that because it's never perfectly flat you still get a certain amount of ponding.
Also, I don't really like too smooth a finish on concrete, as it can get a bit slippery in the winter. I prefer a tamp or broom finish.

Bendy_House

Cheers.

By near level, I mean it will have a slope, tho' not much - but away from the building. Can't keep splashing through this inch of water, tho'...

And no risk of the finish being smooth :-(

stuart45

Bendy_House said:

Cheers.

By near level, I mean it will have a slope, tho' not much - but away from the building. Can't keep splashing through this inch of water, tho'...

And no risk of the finish being smooth :-(

Have you thought about insulated wellies Bendy?

Bendy_House

I do most of my work in sandals :-(