lime plastering - expected costs vs gypsum

[Peter Taylor]

Anna Kettle wrote

Thank you Anna. So if they are chemically similar, why is it necessary to use lime putty rather than simply mix sand, hydrated lime and water?

Peter

[Anna Kettle]

If you buy hydrated lime then ts best to soak it in a tub of water for a day or two which makes it nice and plastic

remarkably like lime putty ;-)

Lime putty gets better with age as it soaks in the water so bought lime putty will be a better quality than a quick two day soak will provide. I like to use lime putty which is at least six months old.

Anna

~~ Anna Kettle, Suffolk, England |""""| ~ Plaster conservation and lime plaster repair / ^^ \ // Freehand modelling in lime: overmantels, pargeting etc |____|

01359 230642

[Peter Taylor]

Anna Kettle wrote

Got it! I've been pondering about that for years - it's just a matter of quality and plasticity. Thank you for sorting it out for me.

Peter