6 Concrete Mixing Mistakes

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Mixing concrete is easy enough that anyone can do it yet there are a few ways it can go wrong. This video gives you 6 mistakes to avoid when mixing concrete.
If using a preblended concrete mix and it says just add water, the manufacturer still intended for the ingredients and the water to be mixed together before using to avoid failure of the concrete. Be sure to mix them well to get the best consistent finished results.
If you are making your own concrete or mortar mix, do not pre-blend your dry ingredients (sand, cement or sand, cement and gravel) unless you are using all of that mix within a short period of time.
If you are new to working with concrete and mortar, you may have a bit of a hard time figuring out just how much you need to mix for your projects. Be sure to mix just a little more than you need.
A lot of people when first starting out with concrete and mortar mixing tend to add way to much water to their mix and end up with a severely compromised finished product that will crack and fail early. A drier concrete or mortar mix is a stronger mix.
Cleaning up your tools and work space after working with concrete should be done immediately so it doesn't harden and ruin the tools and equipment.

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one time a friend builder told me: CLEAN TOOLS ARE HAPPY TOOLS! now thats always in my mind when working with concrete!

sssslaphie
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Great info. I can totally see people easily making these mistakes... like wanting to go ahead & premix your sand & cement, not considering the residual water. Let me please remember this advice one year from now, Lord, thank you, Amen.

cchemmes-seeseeart
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Excellent advice. So helpful. Many thanks mate.

jillpayne
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What about premixed bags? They sit premixed on shelves in bags.

mattbba
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Speaking of amount of water. When I use my mixer, there is a point when there is enough water to make the mix stick together in large lump, which revolves inside the mixer, drops down in one blob and then revolves again. It doesn't seem to be mixing anymore until some more water is added. That is my indication of how much water is enough. It is, of course, more than the "damp sand" definition you have given. So how do you mix "damp sand" mix in a mixer? Can you demonstrate?

AlexthunderGnum
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What about cement liquefier? I saw no this product that makes concrete more liquid but it’s not water. Should I mix the co Crete with this instead of water? Is it helpful to pour cement into molds? I’m trying to find a big mold to make big planters, but can’t find any large enough online… any tips?

Yambataller
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Hi, how are you? When rain falls, inside floor gets wet. I need to high the floor level with 10centimetrs. After my floor is high, I place nothing. What floor should I make

graceburlson
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What’s the best way to clean the tools? And where do you get rid of any residue? I’ll be working from home so won’t be able to dump in the sink. Also, I plan to make small decorative items so is it ok to make a slight runnier mix in this case? Thanks

chantell