Foundation cement mix

[aaront]

Going to be repairing the foundation (above dpc level on my 1910 Victorian flat. I meed to re lay 2 courses of bricks directly underneath my back door.

Is the 1-3 cement/sand mix ok? Do I need to put any additives in?

 

[Antwerpman]

I picked up this very useful link see
this

 

[renovator]

a decent mix is 1:3:6 , cement/building sand/ 20mm max gravel

 

[oilman]

You could use a mildly hydraulic lime instead of portland cement. This would blend better into the existing work and if your bricks are soft reds, they will be less likely to get frost damaged. The mix ratios are different but it's easy stuff to work with.

 

[mildmanneredjanitor]

Oilman,

are you advocating the use of lime products again???



I''l have a dash in my lager!