How to make lime mortar and plaster with hot mix (or dry slaking) / Mortier de chaux mélangé à chaud
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- Опубліковано 19 вер 2024
- In the video above, we show how we use hot mix (or dry slaking) method to make lime mortar in our Permaground RasJebal Farm, to build the stone stemwall of our cob house, following these steps :
1 / We place 1 volume of non-hydraulic crafty quicklime stones within a circle of 3 volumes of damp coarse sand.
2 / We add 1 volume of water in the center.
3 / We draw the sand rapidly over the quicklime. The heat produced by slaking drives off some of the moisture from the sand in the form of steam.
4 / We leave it slake for at least 45 minutes. As the quicklime slakes, it expands, forming fissures in the sand.
5 / The result is a dry powdered lime and dried sand. We mix the lime with the sand.
6 / To have a texture of mortar (and to store it), we add 3/4 volume of water, and we mix it again.
7 / We finally crush (or beat) the mix to expel air from the mix, and we use it right away or we pile it and cover it for storage.
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Great vid, I loved listening to you speak, its been a while since I practiced french and you have a very understandable accent.
Thank you very much for the explanations and I have been looking for this one
Thanks Levi for the support :)
I guess everybody loved (or hated) crushing the mortar with a wood trunk :)
nice information
This is india's old method.. which has band by english government in 1850
Anshuman Singh why was it band
@@kierenboimufc5940 becaue they need a big market for their product ( cement ). So they have to band.
This is Britain's old method too. The cement age started around the time you said, but I doubt that Britain banned lime. Any proof?
There was no ban. All the buildings in villages here were build with lime not with cement. Use of cement is very recent development here, say 20 years or so.
Considering Lime is one of the ingredients for Cement, I doubt your claim.
Good video the information is accurate but it's funny to see you without even a mixing Pail. Or a mixer or a wheelbarrow. But I one of like it also at the same time. These teqniques of building require skill and hard work not tooling.
good show old bean.....shows what a man can do on his lonesome......romans used pumice or crushed brickdust to waterproof......and tallow in the lime as you slake it works......think no u-tool shop for miles and you CAN work it out.....all you need to do now is get a tune going with your log like the old arab coffee crushing tradition.....happy heratige hunting.
its such a good little video. It makes me laugh, this hot lime is far superior to manufactured hydraulic limes which they will charge you for. What a crazy world. instead, relatively cost free, just go to the beach and collect some sea shells and heat them in a coal furnace to 900deg and collect lime and mix with aggragate (salt free), approx 1 part quicklime:3 parts sand by volume. oyster shells should be avoided as they can accelerate the setting (known as pozzolans) of the hot mix (only use in winter, 10% by volume of quicklime maximum). you can also make lime putty plaster from the quicklime, so again no need to pay for expensive lime putty plasters.
Jason Fallon but... Isn't pozzolan (Roman concrete) superior? Also I think that high slaking water temperatures as well as aging reduces particle size and thus improves physical properties of the concrete.
how can i have a water proof leak proof water tank in the earth using lime,rock powder(river sand not available here,or rock sand
@Pol Espinosa, yes, I believe it is, if you can hydrate you lime and let it in water for 5 years, it will improve greatly, but it will have less self healing properties than quick lime mix.
@ABBA K, look into tadelaqt recipe, adding marble powder and brick powder to the sand quicklime. I don't know if you can substitute sand by rock powder.
"... and heat them in a coal furnace to 900deg ..." Yea, I'll go out and buy a coal furnace JUST for this purpose. Maybe I'll find a used one on eBay.
Thought they were gonna drop a bo.. on ye, at approx 10:47, for making that limecrete.
interesting but you would have to have a big mound to make a volume to work with
Instead of river soil can I use ordinary available sand at the site
Yes
I slake all my putty needs from well 'kibbled' quicklime and how can this be a dry slake? Slaking is still a wet slake but stuff we saw in the film was a poor quality quicklime, there was no bubbling and great heat, perhaps it's old stuff. At the end Sofiane said it was ready when it was still unmixed, you could see the sand, the builder was also very slow and pretty inept.
کیا ہم چھت کی لپائ کے گارے میں ہم چُونا ڈال سکتے ۔
Why do you call it sand...it looks more like clay
Sand come in many colours,
Very slow, please be fast
p.s ....you will lose an eye if that lime spits and gets you ......not kidding it 'll burn it right out.
When I make tea I wear more protection.
hahaha
You have to mix the raw materials before adding water
no you don't
Only with powdered quicklime👍
Ça ressemble à de la terre pas au sable
c'est du sable granuleux vendu pour la construction, ici humide. Si votre terre ressemble a ca, pauvres plantes...
Who could be arsed..
very poor demonstration. I hope you will post a better one.