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radon

  1. General DIY Discussions
    I store nut coal in my basement and burn it upstairs. Trying to get my radon levels lower, I sealed my cracks in basement floor but the radon levels went up after sealing the floor. Did not install a fan yet. Does storing coal give off radon ?
  2. Building & Construction
    Why we need to inspect our house and done radon gas testing? Is this necessary for selling or buying a house? Let me know your thoughts
  3. Concrete, Stone & Masonry
    Hi, we had an internal foundation drain installed and with that a 'miradrain', which is basically a dimple mat that extends up the wall to channel the water in to the drain from the wall. While the wall does not actively flood out, there is some dampness and the idea WAS to install a vapor...
  4. Safety
    I am considering buying a home without a basement in a "Level 2" radon area. Should I get a radon inspection from a professional? I believe the home test kits can sample over more days than the professionals. I am not sure if the professionals have better tests or if I will incompetently...
  5. Flooring
    n the basement of my house (built in 1900) in NE Ohio...Half of the basement floor is finished, the other half is dirt floor covered by a few inches of crushed stone gravel (see pics). I had a mold issue, so looking to put a vapor barrier over the gravel floor. Also am getting slightly elevated...
  6. HVAC
    I'm looking for some advice with the following situation. I have a recently remodeled house with a full basement and a second story. I live in the upper mid-west with extremely cold temperatures. Last winter we had excessive moisture due to how tight our home is after the remodel. I installed...
  7. HVAC
    I seem to have dug quite a hole for myself and am looking for expert guidance. It started when we bought a 30 y.o. home last December (southern Illinois). We decided to renovate it by installing a hardwood floor (I did it myself), where there was once carpet, throughout the whole first floor...
  8. Building & Construction
    Hi, guys. When we got our home inspection in 2009, the radon levels in the basement were at 16ppm; 4x the recommended level in our area. My wife has told me that we are going to do something about it, now. Roger that, darling. Had a guy come out for an estimate. Price was as I expected...
  9. Plumbing
    I am in the process of soliciting bids for a contractor to take up my basement concrete slab, lower the grade a foot, and pour a new concrete floor. My radon levels were 2.4 and 2.0 when I bought the house five years ago. Fairly low, but I thought they could be lower. Therefore, I have...
  10. New Member Introductions
    I am interested in offering assistance to home building inspectors and their clients pertaining to asbestos, mold, lead paint, radon, formaldehyde and other environmental issues. I also own a housing pre-hab business so I expect the experts here may be able to help me on occasion. What I call...
  11. Building & Construction
    Basics: Cookie cutter house, Colorado, built in 1996. Half the basement is a crawl space, the other half is about 400 sq-ft I'm remodeling in to a 4th bedroom. I purchased in 1999, tested for radon and came out pretty low. Recently one of my neighbors installed a proper mitigation system after...
  12. Building & Construction
    I may need to solve a radon problem in my floating slab basement. Home is 34 yo, floating slab was in the design. Help ??:(
  13. HVAC
    I am considering installing a 2 zone HVAC system. One zone for the basement and one for the 1st floor. How do I avoid recirculating radon from the basement to the main floor? Should I install a second unit for the basement?
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