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Cavity lean mix
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Dorset
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Joined: Wed Mar 25, 2009 11:18 am

Cavity lean mix

by Dorset » Sun Apr 05, 2009 10:19 am

Hi,

I have to put a lean mix into the bottom of the cavity 225mm below DPC.

I am unsure on what a lean mix is. is it sand and cement or ballast and cement and what ratios are used.

Your help once again is mucho appreciated
elwood
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by elwood » Thu Apr 09, 2009 12:12 pm

Hi

When ordering ask for concreting ballast.

A lean mix is a dry weak mix

Bye
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