I need to mix up a small batch of stucco mix for a repair job. All the
recipes I find call for some lime to be added to the cement and sand. Why
is the lime added to the mix? Doesn't it weaken the mixture? I should add
that I will not be patching over old stucco. I will be applying this mix to
wonder board to blend in with the existing portion.
.Lime is added to turn your hands bright red, and make them sore. Just
kidding, but lime is devilish on flesh.
Why not just use stucco repair pre-mix?
My recollection is that lime slows setting time, so you have more time to
work it before it sets up. Not sure, tho.
Our electrical buddy put his finger on it. The lime makes it stick. That is
also why it is in mortar. Stucco is really just type S. If you just need a
little they sell it in 40 lb bags at the BORG ready to use... add water ;-)
A little acrylic ad-mix will really make it sticky
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