Myth #5 - I’ve been doing this for decades I can eyeball how much water I need.Īlways read the instructions on your product packaging, especially if you’re trying a new material. You should try to avoid whipping any air into your mixture by keeping the drill steady. That means you’ll wind up with air bubbles which show up as pinholes in cured grout. Moving the mixing paddle up and down in your grout can trap air in the mixture. Myth #4 - You can lift or lower the paddle during mixing, as needed. Higher speeds will generate heat - and lead to less working time with the grout mixture. Mix with a low-speed (under 350 RPM) drill to avoid flash-setting your grout. Using a higher speed might save you time, but it causes friction.and heat. Myth #3 - Get your high-speed drill handy. This eventually leads to cracking and color inconsistency. If water is added to “stretch out” the working time of your grout, it changes the structure of the mixture. Myth #2 - Just add water! Adding a bit more water will get more working time with your grout. If you stay within the temperature range provided on the instructions, you can plan adequate time to complete the project. But, the higher the temperature of the water or the powder, the shorter the working time of your grout mixture. Hot powder and/or hot water will cure more quickly than a cold mixture. The temperature of your powder and water plays a role in how quickly your mixture cures. Myth #1 - Temperature doesn’t make a difference. Let’s break down the top ten myths around mixing grout. If you’re an experienced contractor, you’re already aware that not all grout is created (or mixed) equally.īut there are a few incorrect myths floating around when it comes to using grout, especially since new products are now available to meet industry demands around tile and flooring. The grout that you choose to work with can make a big difference in your flooring installation.
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