Expert Concrete Prep Q&A for Your Epoxy Flooring Business

Don’t waste diamonds on the wrong concrete. In this expert Q&A for your epoxy flooring business, Paul from Niagara Machine shows you how to pick the right diamonds, tooling, and scratch test every slab so your grinders cut fast, your coatings bond, and your profit doesn’t grind away. 👉https://stonecoatcountertops.com/collections/flooring-epoxy 🔔 Subscribe for more real-world epoxy insights, tutorials, and transformation stories. ⸻ This project shows just how durable, customizable, and DIY-friendly an epoxy flake floor can be. We flaked this floor of our good friend Keith McGinnis' @kcdcdesigns in Nebraska. But this system works for garages, workshops, home gyms, basements, and more. 👇 Let me know in the comments: What’s your concrete like where you live — soft, medium, or ROCK HARD — and what grinder/diamonds are you running right now? 🧪 Need help on your upcoming epoxy job? Book a free call with our Pro Rep Rob: https://calendly.com/rob-stonecoat/stone-coat-pro-consultation-with-rob ⸻ 📺 Check Out our other Channels: Facebook - https://www.facebook.com/Stonecoatcountertops Facebook Group - https://www.facebook.com/groups/SCCinsiders/ Instagram - @stonecoatcountertop Pinterest - @stonecoatcountertops ⸻ 📚 Chapters: 0:00 - Why Concrete Prep Makes or Breaks Your Floors 1:08 - Diamond Tooling Basics: Color, Bond, Grit & Machine Weight 2:36 - CSP Explained: What Profile Does Your Coating Need? 5:25 - How to Do a Scratch Test (Mohs Kit Demo) 12:05 - Specialty Tooling: PCDs, Bush Hammers & Carbide Scrapers 20:37 - Planetary vs Rotary Grinders: Which One & Why 28:06 - HEPA Vacuums, Dust Control & the "Diaper Genie" Bag 29:35 - Shot Blasters: Getting Below Flat for Cracks & Spalls 34:23 - Oil Spots, Contamination & When to Shot Blast First 38:28 - Crack Chasing: Hairline Fissures, Spider Cracks & Repair 40:40 - Floor Patch PRO: Filling Voids & Final Prep ⸻ 🛒 Products Used Floor Patch PRO https://stonecoatcountertops.com/products/floor-patch-pro Epoxy Thickener https://stonecoatcountertops.com/products/polyfiber-ii-epoxy-thickener ⸻ 🙌 Follow our Friends! @bigmitchbuilds @LazyGuyDIY @GingerWoodworks @southernpinedesignco ⸻ Stone Coat Countertops was created to solve a simple problem we kept seeing over and over again: homeowners loved the look of exotic granite, marble, and other high-end natural stone—but not the price tag that came with it. Traditional countertop options can cost thousands of dollars once material, fabrication, and installation are factored in. For many homeowners, that meant settling for outdated laminate or postponing a remodel altogether. We believed there had to be a better option—one that was affordable, customizable, and accessible to everyday DIYers. That’s where epoxy comes in. Stone Coat Countertops developed safe, DIY-friendly epoxy countertop systems that allow you to recreate the look of luxury stone at a fraction of the cost. When installed yourself, our countertop systems typically range between $5–$10 per square foot, making high-end design achievable without hiring a full crew or breaking the bank. What makes epoxy even more powerful is flexibility. Every surface is fully customizable—color, movement, depth, and finish are all in your control. And because epoxy countertops are renewable, they can be refreshed or updated down the road instead of torn out and replaced. With Stone Coat systems, many homeowners are able to completely transform their kitchens, bathrooms, or workspaces in a single weekend. Beyond countertops, Stone Coat has expanded to offer professional-grade solutions for epoxy flooring systems, decorative flake floors, and woodworking epoxy, supporting creators, contractors, and DIYers across a wide range of projects. At the core, Stone Coat Countertops exists to empower people—to give you the tools, knowledge, and confidence to build beautiful, durable spaces yourself. ⸻ #Tags: #epoxyresin #MetallicEpoxy #StoneCoatCountertops #resinart #resintutorial #rivertable #woodworking