The subfloor secret that prevents tile failure To level a subfloor for large format tiles you must achieve a flatness tolerance of 1/8 inch over 10 feet. This requires grinding high spots, filling low spots with high-flow self-leveling underlayment, and verifying the substrate with a mechanical straightedge to prevent lippage and cracked grout. Most guys…
The physics of the thirsty slab and the double primer solution Most guys skip the leveling compound. They think the underlayment will hide the dip. It won’t. I spent three days grinding concrete on a job last month just so the floor wouldn’t click like a castanet. That job taught the crew a lesson they…
Most guys skip the leveling compound. They think the underlayment will hide the dip. It won’t. I spent three days grinding concrete on a job last month just so the floor wouldn’t click like a castanet. When I finally got to the pour, the guy before me hadn’t primed. The whole floor looked like a…
The Brutal Truth About Why Your Subfloor Needs Grinding Before Leveling Most guys skip the leveling compound. They think the underlayment will hide the dip. It won’t. I spent three days grinding concrete on a job last month just so the floor wouldn’t click like a castanet. I once walked into a project where a…
The Secret to Leveling a Concrete Floor That Slopes to a Floor Drain Most guys skip the leveling compound. They think the underlayment will hide the dip. It won’t. I spent three days grinding concrete on a job last month just so the floor wouldn’t click like a castanet. I once walked into a basement…
The subfloor secret that saves your back The marble test measures the self-leveling underlayment fluidity by pouring the mixture into a standardized cylinder and measuring the diameter of the spread once the cylinder is lifted. A successful test ensures the material has the correct water-to-powder ratio for optimal structural performance and a flat surface. Most…
The subfloor secret no one tells you The primer mistake that causes floor leveler to pop off concrete is usually a failure to assess surface porosity or the use of an incompatible, non-penetrating primer on a sealed surface. Without proper mechanical or chemical bonding, the leveler sits as a separate, fragile layer. Most guys skip…
Most guys skip the leveling compound. They think the underlayment will hide the dip. It won’t. I spent three days grinding concrete on a job last month just so the floor wouldn’t click like a castanet. That slab had a three quarter inch birdbath right in the middle of the kitchen. The previous installer had…
Stop Floor Leveler from Vanishing Into Your Crawlspace Most guys skip the leveling compound. They think the underlayment will hide the dip. It won’t. I spent three days grinding concrete on a job last month just so the floor wouldn’t click like a castanet. That job taught me that if you do not respect the…
How to Mix Floor Leveler Without Getting Lumps or Dry Powder I spent three days grinding concrete on a job last month just so the floor would not click like a castanet. Most guys skip the leveling compound. They think the underlayment will hide the dip. It won’t. I have seen countless five thousand dollar…
