Primitive Technology: Wood Ash Cement

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Primitive Technology : I think I have the chemistry right. If any chemists are watching correct me if I'm wrong. The calcium compounds are converted to calcium oxide in the second firing, turn to calcium hydroxide in the water and then set to calcium carbonate in the air. There maybe a pozzolanic effect due to the alumina and silica in the ash too. The end product is a cube made only from wood ash (fired twice) and crushed pottery. It sets hard after 3 days and will not dissolve in water even when fully submerged for 24 hours. Thanks.

IE B : Wow the changed avatar almost threw me off, thought this was a ripoff channel for a sec.

Ya Boi : Primitive Technology: 8.5 Mil Subs without uttering a single word

ThomasYTube02 : Can you show us your primitive gym because we know you have one.

SIMPLE TON : I wonder if those are gym gains or primitive lifestyle gains

Ryan D : This guy would do amazing on 'Naked and Afraid'

Poisonedblade : Time to build a castle!!!

A nonamous : I accidentally did something similar. Charcoal grill was full of ash so I dumped it in the rock driveway. Later that night it rained and I now have a small corner that's cemented

Potatou : primitive cocaine

Aaron 117 : I’ve heard of and used “survival cement”. It’s basically a blend of mud, clay, grass, and pine needles for building. But never wood ash cement! Pretty interesting stuff. Thanks for posting.

moharexx : Minecraft is so popular they made it into a real thing!

Justin Y. : Woah, new profile picture. Cool!

696 subscribers with 0 videos challenge : give this guy some time and sticks, and he will build a mansion for you

Pendragonx1 : 'Fore long this forest is gonna have paved roads with candle-lit lamp posts down the side leading to a wattle and daub cottage.

1ls376 : 2:01 I thought that was some ones leg in the fire.

sangetube : That guy is taking Minecraft way too far.

Poisonedblade : He needs a competitive neighbor who race through the tech ages!!!

Dead Rs : 2:20 he just put that flaming hot rock in the water with his bare hand

lヽ༼ຈل͜ຈ༽ノ : @Primitive Technology I recommend that you make a geopolymer as the ancients did. 1. dry clay by the fire and powder it. 2. Create acidic plant extracts. In england I would use sorrel, rhubarb etc. I don't know which plants in Aus are highly acidic but they are likely the plants eaten for thier sour taste. 3. Boil the dry clay bowder in the acid and leave to soak, creating a reactive activated clay. 4. Make caustic lye from wood ash, and dry it on the fire. 5. Mix the activated clay with the solid lye in a 50/50 ratio by weight. 6. Mould it to the shape required and leave it in a warm place to cure. It will take up to a week to cure completely at 25c or up to 5 hours in the ashes after a fire. Keep up the interesting work.

Muhanmed Omer Sahin : Türklerden izleyen +1

Crimson Arrow : He should train people to do that like do everything that he is doing

Spooky Spookleton : Could I do this with a relative's ashes?

이재인 : 혹시..한국분 시청자 있음?ㅋㅋ

Open World Gamer : Minecraft: Hardcore mode

Musti KNT : DOLAR 6 OLUNCA BUNLARI İZLİYORUZ bunu yazarken dolar 6mış 7 oldu

Nezzero : Time to build a castle in the forest in the most inefficient way possible by burning down all the trees!

Harry Forsyth : Next episode, he will build a massive bungalow out of this

TheNguyenGPham : Did you steal that thumbnail from Minecraft?

Василий Васильевич : Make bricks and build a brick house.

The Hh : Cool new branding with the channel logo and cover art!

Mythic Cobalt : *_Here's one i made earlier_*

Dragon Survivor : Wtf u lost 2 million subscribers

Captain Qwaz Caz : Build a tree house then set it on fire.

Wassup Productions : —-(👁v👁)—-

Trent Gibson : Did any one notice that at 2:20 he was holding the ball with his fingers but it still made the water sizzle

Marlin the clown fish : still available after patch 2.09?

Muhammet Ceyhan : Türk yok mu bi el kaldırsın🙋‍♂️

Sıla Öz : Dolar yükselince yerimizi aldık fşddölcöslxçsşxçdndsmnxc

Corbyn Smith : I was thinking about how you could make a floor out of it. Maybe use it in a future shelter-making video.

Detektorpower : As always great video of you. If you need metal, let me know, I'll pass the metal detector

Mahir Cave : I don't think I will ever get tired of watching your videos

Dutch Prepper : So much enjoying your videos. Wish I found this channel much earlier !!

モンハンの天ぷらおうどん : やだ……こんな原始人みたいな生活で強く生きていけるなんて……なんてイケメン!

Samnang vtube : Wow the changed avatar almost threw me off, thought this was a ripoff channel for a sec.

The Legion : Bork.

Crucial Muzic : Me: Wood Ash Cement, oh that should be easy. Me 2 seconds later: (╯°□°)╯︵ ┻━┻

Maeve : I want a game like this

JakobHogn : that new Zombie Meat Harvester you made is just perfect

August Nyblom : What is the land you are in???.

n.555 jankovic : Lol