DIYbanter - View Single Post - Internal rendering/Plastering with Sand/Cement/Lime Mix

In article ,
(Andy Hide) writes:
I have now changed to a 6:1:1 Sand/Cement/Lime with the sand being
Wickes (red bag) "for use in bricklaying and internal rendering". Is
this the same as plastering sand ? Would plastering sand be better in
this case ?

dont confuse 1:1:6 with lime mortar though, very different.

Can you explain the difference ? This is not 1 part sand, 1 cement and
6 hydrated lime is it ? Lime mortar uses a different type of lime?

Main difference is it contains no cement. The hydrated lime will
be in putty form. The powder form you have has been dried, and it's
not quite the same just mixing it with water again and using it
instantly. Lime putty has to be left in water (but sealed against
Carbon Dioxide from the air) for some weeks before it's used.
Apparently you have to do the same with the dried hydrated lime,
but it doesn't work as well (not tried myself though).

Is it possible to create a mix the same as what was originally used ?

Certainly, but probably not quite the same with convenience products
like bags of dried hydrated lime. What do you want to use it for?
Also, sand was not graded like it is today -- for a more realistic
mix you probably want to mix some different types of sand together,
but that makes it more difficult to use for some things.

--
Andrew Gabriel