the warping and cracking is a result of uneven drying. You can see when you de-molded one how one side had white spots and the molded side was still dark. You need to slow down the drying of the exposed side. This won't help durability but will address the bowing issue.
2025-09-20 17:50:08
28
Sky Moulding Melbourne :
Can I have the recipy?
2025-10-30 09:05:12
0
Brick Boss Records :
Cover it whit plastic for a longer dry time maybe ? and cover it from the sun.
the strength will be higher after 30 days frist.
I have been told that wire whit mask can make it pull 🤷♂
hope you find the right recipe 🤝😎🔥
2025-10-26 23:03:55
1
Ziad Harik :
I suggest add some cellulose fiber and fiber glass
2025-10-30 12:22:56
0
Dwight Wilson :
first layer self leveling cement
2025-09-20 18:32:05
3
Phillip Broussard :
Aw yes… concrete soufflé
2025-09-20 19:10:58
3
1lIllIi1lIIl1 :
I understand you can cut this with a hand saw. is this the case?
2025-09-20 18:32:05
0
Cereal Killer :
Oddly similar to how you make macarons. 🤣 Shampoo and concrete instead of egg whites and almond flour👍
2025-09-22 14:45:39
5
zoop :
Probably more fiberglass but fold it in rather than beating it from the start
2025-09-21 03:11:59
2
You know it! :
Don't pour it in wood.
2025-09-21 23:24:01
2
Gecĸo :
use sodium silicate to densify the casting , it will help with cracking and warping along with aiding in its impact resistance.
2025-09-21 04:25:26
2
Dave :
Soak the panel in a tank of water as they cure for about 7 days. Keep the water around 75°. It should help. They might float with the foam, so you might have to weigh them down.
2025-09-21 15:23:34
2
kelargo :
is it concrete without aggregate? it's cement mortar mix? maybe add in more fiberglass.
2025-09-20 19:15:22
10
ggrady66 :
add perlite
2025-09-21 02:07:27
3
Evan :
add fiber to the mix and soak cure by submerging the entire panel in water for 4 to 7 days
2025-09-21 16:36:49
2
user5185817272153 :
small layer of normal concrete then add the aircrete maybe
2025-09-20 15:17:50
3
HtM :
they literally make: "Structolite"
2025-09-21 19:21:02
1
jamietom124 :
concrete flavored whipped cream
2025-09-20 21:31:03
1
Farzad IRAN :
1- replacement 10% of cement with silica fume or another pozolan to decrease the plastic and dry shrinkage
2 - add at least 20% flller ingredients same as lime stone powder or wind sand
3- use more fiber
4- HPMC is useful for provide viscosity and curing (0.5 - 1 gram per 1 kg cement is enough)
.....
2025-10-26 19:08:16
0
persiflermaxi :
try 30 foam & 70 cement ,50/50 no good.
2025-10-28 23:57:51
0
返品ハッ! :
luv ur concrete ideas. can you make a video on how you put the holes that connects the concretes?
2025-11-15 00:00:16
0
vss7183 :
fiberglass or paper pulp will do the trick
2025-11-02 19:47:58
0
Bread :
If you add little gypsum powder it will strengthen it and no cracks will happen
2025-10-31 01:39:28
0
jj salo :
Those are your words,,,,
2025-10-30 15:42:33
0
2fas2furios :
Try a small gauge wire mesh to give it some strength and also to cure concrete properly so it can become full strength you have to keep it moist and covered for a few days
2025-09-20 19:13:45
0
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