Make your own Aircrete Garden Boxes! This is PART 3.6, showing options to make your lightweight garden boxes from Air Crete. You can build these forms and precast your own 48″, 36″, or 24″ reinforced lightweight concrete panels that link together to make long lasting and durable concrete garden boxes. #aircrete
Here is the weight of 3 cured panels made from regular concrete: . 48″ – 69lbs, 36″ – 50lbs, 24″ – 33lbs.
Background for the Aircrete Cast Concrete Garden Box Project – PART 3.6 #aircrete
This is another follow up post to Part 3 of my series on making garden box panels from lightweight concrete. And in this episode I’ll be pouring more aircrete.
I’ve been making these link-together concrete panels for rot proof garden boxes for a few years now.
In Part 3, I worked on concrete blends to find a mix that was light, strong, and durable. And the aircrete that I made in that episode had some issues and it failed the durability test. And it also cracked and distorted as it cured and dried.
So in this video I’ll make another attempt at casting a strong and durable garden panel from air crete. And also try some colour additives to see have that looks.
I’ll show the foaming agent, mixing the cement, pouring, and finally unmolding. Then look at the weight and durability results as compared to regular gravel-based concrete.
If you haven’t seen part 1 and 2 of this series then you might get more from this video if you watch them first. As I won’t be covering all the steps needed to make the forms and prep them for casting.
I’ll be using the plywood forms I built in part 1 of the series. I have plans available here.
The aircrete is made from only a few ingredients: Portland cement, shampoo to create a foam, and some glass fiber for extra strength.
So I begin by diluting the shampoo in water. 15 fluid ounces of shampoo to 2.5 gallons of water.
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This will be the dilution that I’ll use to create the foam. I use Suave Daily Clarifying Shampoo as my foaming agent.
DIY Simple Foam Creation
I like it as it makes a very good dense foam, it’s cheap, and it’s widely available.
I stir this with a paint mixer attachment for my drill on a low setting — just to dissolve the shampoo in the water.
In Part 3 of this series I was able to make foam with window screen attached to an egg-beater style mixing attachment on my drill.
I simply poured some of the shampoo dilution in a pail and whipped it up into a foam with the mixer.
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