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Primitive Technology: Wood Ash Cement & Fired Brick Hut paccione .co.uk 2 Views • 6 months ago

Primitive Technology: Wood Ash Cement & Fired Brick Hut
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About This Video:
I built a hut from fired clay bricks and mortared them together with a cement made from wood ash left over from the firing process. When I developed wood ash cement years ago in a previous video, it was in response to the need of a cement made from material other than lime stone, which is absent in my location. Wood ash was suitable because it contains calcium oxide, the active cementitious material for making mortar. I made clay bricks and fired them in a kiln made previously. Then I collected the wood ash and made them into pellets storing them for later use. When it was time to make the mortar, I put the pellets in the kiln and fired them. Here it's important to note that the ash needs to be fired at a high temperature with oxygen, ordinary ash from a camp fire won't work as is because they don't get hot enough. It needs to be pelletized and fired again in a kiln before use. I mixed the fired ash pellets with sand (1:3 ratio by volume) and used it to mortar the bricks together. It's important to use a trowel (flat piece of wood here) instead of bare hands to handle the mortar due to lye burning the skin (I got mild lye burns on my fingers). The ash left over from firing the bricks was enough to mortar those same bricks together. The hut was 2x2 m and 2 m high at the gables. Wooden beams were placed onto the gables to form the roof and secured in place with mortar. Then I made barrel roof tiles and lay them onto these beams. The whole project took 6 and a half months to build. The hut sheds rain well and the mortar is water proof (won't dissolve in water), surviving many rainstorms even before the roof was up. The main take away from this video is to always look for a way to take a waste material (wood ash) and make it into a resource (cement).

About Primitive Technology:
Primitive technology is a hobby where you build things in the wild completely from scratch using no modern tools or materials. These are the strict rules: If you want a fire, use a fire stick - An axe, pick up a stone and shape it - A hut, build one from trees, mud, rocks etc. The challenge is seeing how far you can go without utilizing modern technology. I do not live in the wild, but enjoy building shelter, tools, and more, only utilizing natural materials. To find specific videos, visit my playlist tab for building videos focused on pyrotechnology, shelter, weapons, food & agriculture, tools & machines, and weaving & fiber.

#PrimitiveTechnology #WoodAshCement #FiredBrickHut

How to Make a Concrete Sidewalk - Do It Yourself paccione .co.uk 2 Views • 6 months ago

Bosch demo hammer: https://amzn.to/2zSqJuy still needs the shovel attachment: https://amzn.to/2z6CQnm
A well reviewed option for less than $200: https://amzn.to/3dD7pjC
Quikrete Concrete Expansion Joint: https://amzn.to/2A30IIX
Due to requests, I am now including links to products when possible. These links are provided for reference, no company or individual paid to be in this video. Depending on the vendor, a small commission might be paid and if so, would be used to support continuing this channel.
Amazon Prime free 30-day trial: https://amzn.to/2U9pttN

More Teresa and YNH: https://www.youtube.com/playli....st?list=PLjTMbsoHW2e

Installing a walkway can be a very labor intensive job, but if you do it yourself, you can save a lot of money over hiring contractor.

Before you get started, you’ll need the following materials.
-fiber reinforced concrete
-claw hammer
-line level: https://amzn.to/2AxwsFX or https://amzn.to/3gYpxGL
-wooden stakes
-expansion joints: we used https://amzn.to/2A30IIX
-wood forms
-trowel
-wheelbarrow
-Bosch electric shovel: https://amzn.to/2zSqJuy or manual equivalent
-concrete mixing tools
-broom
-tape measure

First, determine how long and how wide you want your walkway to be. After you’ve measured the width, drive a stake into the ground on both sides of where you’ll begin, these stakes will be your reference points for the remainder of the project.

Then, attach a screw to the lower third of the first stake. Use a line level to make sure you’ve got the proper angle of drainage away from the house.

The line level is basically a long piece of string strung through a small level. The string fits through two holes on top of the level, so you can slide the level along the string.

Take one end of the string, attach it to the screw you’ve installed on the first stake, drive a second stake at the end of your proposed walkway. Attach the other end of the string to this stake and check to make sure that you will have proper drainage. In other words, you don’t want the bubble to show “level”,you want there to be a slight slope away from the house. (Failure to make sure water will drain away from your house could later cause foundation problems)

Next, use a shovel or the Bosch electric shovel, to dig out the area of your walk.

Once this is done, sink a stake about ever two feet on both sides of the cut out ground where your walkway will go. Then take 3” X 4’ pieces of plywood and attach them at ground level to the stakes. You can use a cordless screwdriver to hold the plywood to the stakes. These pieces of wood are your concrete forms which will hold the cement in place when you’re ready to pour the walkway.

But first, put in your expansion joints. Expansion joints are installed about every three feet and are used to keep your concrete from cracking during expansion and contraction in hot and cold weather.

Using fiber reinforced concrete, which we used in this segment, is a good idea. The hundreds of thousands of tiny fibers give the concrete extra strength as is hardens, thereby eliminating the need for wire mesh or re-bar to support ordinary concrete.

Mix your concrete in a wheelbarrow. Then pour the walkway into the forms. Use a trowel to smooth it out and make sure you have a nice even finish.

TIP: Before the concrete dries, use a broom to give the surface texture. Simply take a broom and lightly sweep across the concrete from side to side. This will put small grooves into the concrete surface as it dries and will reduce the chance of your walkway being slippery when wet.

After the concrete has thoroughly dried (usually five days) remove the outer forms and stakes and you’ve got a beautiful walkway.

WHAT WE USED

The material used to install the backyard sidewalk was Quikrete Fiber Reinforced Concrete.

Quikrete’s fiber reinforced concrete contains hundreds of thousands of tiny fibers which finish smooth, eliminating the need for wire mesh or heavy re-bar in many slab-on-grade applications like walkways, patios steps etc. Specially developed to minimize cracking, chipping and flaking.

Fiber reinforced concrete also dramatically reduces cracking caused by drying shrinkage.

Quikrete Expansion Joint Strips, https://amzn.to/2A30IIX protect concrete slabs from potential damage caused by expansion and contraction. Made from cane fiber, the five foot long strips are weather resistant, absorb very little water, and do not become brittle in cold weather.

Amazon Tool Deals: https://amzn.to/3eUkYLB

MORE FROM YOUR NEW HOUSE
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35 CEMENT IDEAS THAT ARE SO EASY paccione .co.uk 1 Views • 6 months ago

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