Prepping concrete with the Helix grinder
Concrete is a durable and versatile material, but it requires proper preparation to ensure a smooth, clean surface ready for coatings, sealants, or polishing. Grinding is a key step in concrete prep, removing imperfections and creating an even surface. Whether you’re a DIY enthusiast or a professional contractor, this guide will walk you through the […]
Hard goods vs soft goods scraper
Removing flooring with a walk-behind scraper is an effective way to take up old flooring materials like vinyl, linoleum, carpet, or tile. National Flooring Equipment has 5 different walk-behind scrapers, each suited for different styles of removal. Today, we are looking at the differences between two of our most popular models; the 6280 Commander, and […]
The best way to re-scrape glue
The best way to re-scrape glue One of the questions we get most often is, “How do I re-scrape glue?”. National offers several options for scraping glue off the floor with our walk-behind or ride-on scrapers; razor blades, and 1-inch blades. If you are using a Ride-on scraper, like our popular 5700 all day battery […]
Struggling with thin set removal?
You can remove flooring efficiently when you have the right tool for the job. Thin set is used to bond ceramic tiles to the subfloor and is best removed by grinding or scraping the floor. Consider the following when removing this extremely abrasive material. Removal with a 110V grinder Using the 2-up half round PCDs […]
How do I use a 1-inch blade for epoxy flooring removal?
Removing glue, thin set, epoxy, or mortar from a floor is a tough job. Standard steel blades work fine for these jobs and are most often what contractors use. However, a quicker option for cutting through this material in one clean pass is a 1-inch blade. Available in 4, 8, 10, and 12-inch widths, these […]
Ceramic tile removal with a scraper
Removing ceramic tile with a walk-behind or ride-on scraper is a breeze with the right tools. Carbide-tipped shanks are your secret weapon for reliable removal of ceramic tile. Several features of this shank make it a great choice for ceramic tile removal. The angle of this shank is designed to get under the tile and […]
Why are there so many self-scoring blades?
National’s line of self-scoring blades are for carpet removal with a walk-behind or ride-on scraper. These blades come in a variety of different lengths, widths, and thicknesses. Consider your machine and the type of carpet being removed when choosing which style of self-scoring blade to use. 45-degree wings Removing thin carpet with a floor scraper […]
What makes a concrete grinder modular?
Broken down for transport or adjusted for operation – the Helix delivers. When designing equipment like the Helix 110V concrete grinder we focus on the most critical features our customers are asking us for. In this case, modularity was important to our end users and rental partners. A 110V grinder is a great companion machine […]
How much weight do I need on my concrete grinder?
Most concrete grinders on the market come with several ways to increase or decrease the weight of your grinder. With options to shift weight over the grinding head or back over the wheels for flexibility in the middle of your job, National’s 110V grinders have you covered. The weight needed is dependent on the specifics […]
Dual-Speed Grinding with the Helix
The Helix dual-speed concrete grinder, is a versatile tool that has revolutionized the industry with its ability to tackle a diverse range of tasks with unmatched effectiveness. While we have recommended best uses for each speed, this feature gives contractors options for additional adjustment if tooling and weight changes haven’t gotten the result they […]
Concrete hardness affects tooling selection
The hardness of your concrete is an important thing to know for choosing the proper tooling segment and bond. Matching your tooling to the hardness of your concrete will extend the life of your tooling. Metal bond diamonds on a planetary grinder come in super soft, medium, and hard bonds. A soft bond means the […]
Concrete grinder coating removal
The Helix 110V floor grinder makes quick work of removing coatings. One of the biggest challenges contractors have in surface preparation, is the removal of an existing coating. Without having laid the coating yourself, you can’t know what was put down, how well its bonded, and how long it’s been down. As with any surface […]