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ConcreteNetwork.com NOVEMBER 2009
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Contractors Review Their Favorite Countertop Mixes
Read about the prepackaged mixes and other countertop supplies contractors are recommending after using them on their own projects. How nice of them to do the trial runs for you! 

Pro-Formula mix

Also, check out our Buyer's Guide to Concrete Countertop Mixes for a complete roundup of the products available.

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Don't miss your chance to attend the Rocky Geans Business School for Concrete Contractors, to be held February 26-27, 2010, in Dallas. Geans will share his management expertise and show you the business tools and systems he's developed for running a successful concrete company.


Search Icon FIND SUPPLIERS OF MIXES FOR COUNTERTOPS
Six Tips for Using a Prepackaged
Countertop Mix



Greetings!

Buddy Rhodes mixAlthough mixing  concrete from scratch for your countertops gives you complete control and creative freedom, you can't beat the convenience and ease of use of a bagged mix. All the necessary ingredients are preblended -- all you do is add the water and a pigment, if desired. Consistency is another big plus of using a bagged mix. Most of the variables have been removed from the equation, as long as you follow the manufacturer's instructions. That means you don't need to be a whiz at mix design or worry about troubleshooting a mix that's not cooperating. But even when using bagged mixes, you need to know what you're doing and understand their limitations. Here are some tips for getting the best results.

Jim Peterson,
The Concrete Network

Countertop casting

Match the Mix to Your Methods
Make sure the mix is right for the specific casting, forming, and finishing methods you plan to use. Many can accommodate both precast and cast-in-place countertop production, but not all.


Consider Your Performance Requirements
Since bagged mixes are proprietary products, they will all perform somewhat differently in terms of compressive strength, workability, setting and curing times, weight, texture and other variables. Use a product that provides the best combination of characteristics for your needs.

Mixing bagged concrete

Mix Up a Trial Batch First
Don't assume that a bagged mix will always yield the same results. External factors, such as temperature, can have an impact on water requirements. Mixing up a trial batch or two will get you acquainted with the proper "feel" and consistency of the mix. Be sure to add water gradually until the desired stiffness is achieved.

Don't Be a Control Freak
Bagged mixes are certainly more user-friendly than from-scratch mixes, but they won't permit much tweaking if you want to modify the workability, physical performance, or setting time of the concrete. If absolute control over these factors is important, you may be better off mixing up your own materials in the desired proportions. (See How Do I Design My Own Countertop Mix?)

Customizing

It's OK to Experiment a Bit
Even though the modifications you can make to bagged mixes are limited, you can customize many of them to some degree to achieve different looks, such as seeding them with decorative aggregates.

Make Sure You Have What It Takes
No prepackaged mix -- no matter how reliable or easy to use -- can make up for poor workmanship. You still need the proper equipment, skills, and training to achieve great results. For advice on mixers for concrete countertops, watch this video.

SHARE YOUR PROJECTS AND PHOTOS

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