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Rebar has absolutely nothing to do with preventing concrete from cracking. You put it in your concrete so when it does eventually crack (which all concrete will do eventually), there's something to hold it together.
Rebar is a must for foundations and heavy duty applications, however i found using galvanized wire fencing is a good alternative in light applications.
I've always been for wet pour. but the red bags for post setting fast setting by quikcrete, has really got me wondering. suggestions on the bag say to just pour dry and add water. if infact this bag is as effective it may change the way concrete is poured. I'm not sure though how many psi the rating is.run a trial on this red bag
In case anyone is curious about how dry-pour holds up in lightweight applications, we did a dry-pour sidewalk area to enlarge our concrete entryway, and it has held up very well over the last 6+ months. Like he said in the video, I would not choose a dry-pour to use in anything structural or weight critical (such as a driveway area), but to support a lightweight structure like a chicken-coop or a shed, the dry-pour could work - it just depends on the weight.
Although I totally agree that the wet pour is by far the strongest, I've never done dry pours the same as shown in the video. I would never allow so much time between wetting the concrete. If it begins to harden, the "mist" will never fully reach all areas of the mix and it will never reach its full strength potential. I keep watering it slowly with very little time lag between adding water until I'm convinced the entire mix has absorbed enough water. I'll even build a damn around where I'm pouring to allow as much water as possible to be absorbed by the mix. On dry pours, I'm not concerned about the smooth surface texture as I would only use that method where looks don't matter. Strength, however, matters very much. I'll have to run my own similar tests to see how my dry pour system of misting holds up to the wet pour mix.
The question I haven't seen addressed is whether the weaker dry pour is strong enough for many of the tasks? If wet pour is 5000 psi, and dry is 3000 psi, but the force is 1800 psi, does the difference matter?
I believe the wet poar goes through a different reaction (process) that can only happen when homologically wet, and that reaction is enforced when mixed.
10:43 am I the only one worried about him not using his safety glass right now. Other then that very good educational video. I'm just worried about your eyes.
How does the timber panel exterior finish hold up against the elements? was it westher treated? did you use a special paint to repel the rain? Incredible video, the best I've seen to date, thank you 👏
The corp of engineers have been using dry poor in sand bags for erosion for years but chirt pop will cause major cracking on a load shift on the surface of the slab
Yeah it's about the method used. Wet mix will knit and bond well together plus there's less air in the mix.....Dry mix is exactly that it's dry and it won't mix or knit properly together.....Wet mix is my favorite way.
Hi, greetings from Germany. The color of the dry poor sample looks dark, that means wet. Comparing a wet concrete with a dry one would not be fair. Can you promise, that both samples were completely dry?
🤦♂When cutting stone of any kind (including concrete) wear a mask and ideally safety glasses!!!. And if you want to cut down on the dust use a misting water spray.
You have to dry pour a layer then wet it then pour another layer. Then you have to smooth out the top of it. People have had great luck with dry pour for what they wanted.
Most people don't know how concrete even works. It's a chemical reaction and it must be mixed wet. It's DESIGNED to be wet mixed. I don't want to mix concrete either, but dry pour is not even close to a solution. It's laziness and or ignorance to how concrete works. Great video sir. You saved a bunch of people from wasting time and money!
Thank you so much for making this video. I have a concrete project I’m planning and I was going back and forth about using dry pour or wet. I’ll definitely be using wet pour since it is a high-traffic area. Thanks again - great content!
We've been using dry pour to set fence posts for decades. Much easier than trying to pack dirt around the post. Put a couple of inches of gravel in bottom of hole, level post and pour hole full of dry mix. Just let ground water set the mix. Adequate strength for that application. I've never been tempted to use dry pour for anything else.
Very interesting and educational, but there were a couple of typos: “not viscous enough” -> too viscous “9 lb” -> 9 tons “6 lb” -> 6 tons “direct pressure” -> concentrated pressure
Think of dry and wet pour as making a cake. Do you just pour all the dry ingredients in without mixing in your liquids like milk and egg?? Or do you just mist it periodically with milk and egg? 😅 No you have to moisten and mix your batter before pouring it into the pan. Think of concrete as batter. Concrete has been perfected over thousands and thousands of years people. The ancient Romans were the first to make concrete. Stop fucking with the recipe!
