You may have heard that HEPA vacuums can filter out hexavalent chromium. But what exactly is it? Where do you get exposed to it? And how can you avoid it? Here we take a look at this compound. Breaking Down Hexavalent Chromium Unless you've taken chemistry courses, hexavalent chromium probably sounds like something from Star Trek. Chromium is an element, much like … [Read more...] about Working With Toxic Hexavalent Chromium
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This week we discuss how to fix puddling from improper concrete laying or settling. Q: I laid a concrete slab in my backyard last year for a one-sided basketball court for the kids. After it rains there is a lot of sitting water in the middle of the pad. It's not that big so I'd rather not tear it out. How do I repair it? - Tim Reese A: Thank … [Read more...] about Ask An Expert: Fixing Concrete Puddling
This Week We Discuss a Question Regarding The Toxicity of Drywall Dust Q: I do drywall for a living as I get contracted out to fix peoples walls, fix up buildings, help in building renovation, sanding joint compounds, you get the idea. I have worked with drywall every day for nearly 15 years as a tradesman. Of course it is messy and I'm often covered in drywall after a long … [Read more...] about Ask An Expert: Is Drywall Dust Toxic?