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Old 01-05-2012, 04:02 AM   #1
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Having a hard time mixing grout


Hi, newbie here.
My shower tiles are cracking so we decided to re-grout it ourselves. We bought Polyblend sanded grout mix. And it's not working!! We bought 3 boxes and 3 times it don't work!!! It asks for 473ml water and 7lb ( a box ) of grout powder. Twice it came out chunky and flakey like consistency. I watched on YouTube that it's suppose to be like pancake batter mixture. 3rd time we poured the powder into water slowly but near the end I accidentally poured too much and it didn't work. I don't get it. On YouTube they don't measure water and just mix, while I'm following the box and it don't work!!! Help!!! I bought 2 more for tomorrow. Damn. With the money I spent in tools and grout mixes, I could of hired someone!!!!!

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Old 01-05-2012, 04:43 AM   #2
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Having a hard time mixing grout


How big are the grout lines? Sanded is for 1/8" and wider---

I mix my grout by eye---I put powder into a shallow bucket--and add water a bit at a time --mixing with a margin trowel or a metal stir stick--

I use a sponge to add the water--I find it easier to control than pouring--mix to the consistency of mustard---

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Old 01-05-2012, 04:59 AM   #3
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Having a hard time mixing grout


Also, remember to let the grout sit/slake for 10 minutes -
(after you have it mixed to the consistency you want) -
Then remix it (stir it) - Before you apply it.

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Old 01-05-2012, 10:01 AM   #4
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Having a hard time mixing grout


I mix it pretty much the way Mike does. I don't measure, but pour water in slowly. To mix it, I use an aggressive old paint stirrer in my drill. When it gets to the consistency of heavy pudding, I go to town.

It sounds like you're simply not getting enough water mixed in.

One of the problems you'll run across it that you only have about 15 minutes (max) before the grout begins to set. Because of that, if I'm doing a job of any size, I end up mixing 2-3 "batches" of grout.


Good luck!
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Old 01-05-2012, 10:49 PM   #5
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Having a hard time mixing grout


Are you guys serious about adding the water to the powder?

Original poster-don't add so much powder that you can't mix it.

After you let it slake, it will be more difficult to mix. At that point, it is good to have a mixer. Then as you are grouting, re-mix it every now and then. As you smash it down with your grouting trowel, this will help temper it as well.

Just test maybe 8 oz water and 2-3 pounds of grout to start with.
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Old 01-05-2012, 11:19 PM   #6
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Having a hard time mixing grout


I add water to powder as well, a bit at a time. Never had a single problem doing that. It mixes smooth and I simply add what I need to get the consistency I want. I tend to mix it to the consistency of toothpaste, give or take, then let it slake for 10 minutes. Have never had a problem mixing it again after it slakes.
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Old 01-05-2012, 11:24 PM   #7
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Having a hard time mixing grout


How wide are the grout lines?
Answer that question.
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Old 01-07-2012, 08:49 PM   #8
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Having a hard time mixing grout


grout should be very difficult to work with...hard to mix, hard to press into the joints..

kind of clumpy is very close to what you want....pancack batter is definitely too much water.

look up youtube for hydraulic cement videos, the grout should be about like that....most people use wayyy too much water.
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Old 01-07-2012, 09:13 PM   #9
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Having a hard time mixing grout


How wide are the grout lines?
Answer that question.
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Old 01-09-2012, 11:08 PM   #10
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Having a hard time mixing grout


Grout should be thick like peanut butter or tooth paste ...the size of the grout joint determines the type of grout to use .unsanded = less than 1/8 th inch
Sanded = more than 1/8 th inch
If you are doing a regrout make sure to remove old grout first . Sealers or soap film wont allow new grout to adhere.
Goods luck
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Old 01-09-2012, 11:40 PM   #11
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Having a hard time mixing grout


Quote:
Originally Posted by Sweethartz View Post
It asks for 473ml water and 7lb ( a box ) of grout powder.
You misred the directions somehow!

I buy the polyblend in 25 lb bags (11.34 Kg) and add the maximum recommended amount of water (2.4 liters = 2.4 kg). That's roughly one liter of water per 5 kg of powder.

Proportionately, 7 lb of powder will take 672 ml of water.
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Old 01-10-2012, 05:45 AM   #12
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Having a hard time mixing grout


Quote:
Originally Posted by abracaboom View Post
You misred the directions somehow!
.

Real men don't read instructions!!!
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Old 01-10-2012, 06:22 AM   #13
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Having a hard time mixing grout


Pancake batter? Mustard? Peanut butter? Pudding? Damn.......... now I'm hungry. Be back after I make a sandwich.

BTW ............ has anyone asked how big the grout joints were?
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Old 01-10-2012, 07:02 AM   #14
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Having a hard time mixing grout


The poster wouldn't answer that question----
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Old 01-10-2012, 09:15 AM   #15
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Having a hard time mixing grout


I wonder how wide the grout lines are?

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