How to Expose a Radon Testing Kit Within a Room

As you probably already know, radon testing kits should be exposed on all floors that come in contact with the ground. This means as a minimum you need to put at least one radon testing kit in each area of your home's foot print. For example, if the home you're radon testing has a livable basement and a crawlspace, then you need to put a radon testing kit in the basement and also above the crawlspace. If you have a basement, a crawlspace and an addition built on a slab, then you would need to put a radon testing kit in each of these areas.

If you're not sure how many radon testing kits you need or which rooms or floors need to be radon tested, then try out Home Radon Test's radon wizard. The two lovable animated characters, Rae and Dr. Don will help you determine the exact number of radon testing kits you will need to accurately radon test your home.

Where to Place a Radon Testing Kit Within a Room
Once you've decided which rooms to place your radon testing kits in, you will then need to determine the exact location within that room to place the radon testing kit. Proper placement of your radon testing kit is very important to obtaining accurate radon testing results.
  1. Be sure to read and follow the instructions that come with your radon testing kit.

  2. If you are doing a short term radon test (one lasting less than 90 days), then the radon test needs to be done under controlled conditions, sometimes called "closed house conditions". Closed house conditions means all windows and outside doors must be kept closed as much as possible while the radon testing kit is being exposed. This would be normal winter time living conditions in most northern regions. In addition, if you are exposing your radon testing kits for only 2 or 3 days, then "closed house conditions" should exist for at least 12 hours before starting your radon test. Also, don't begin your radon test if severe storms or unusually high winds are forecast.

  3. Place your radon testing kits at least 20 inches off the floor in a location where they will not be disturbed during the testing period. Avoid putting the radon testing kit in areas with drafts, high heat, high humidity or near exterior walls. A good rule of thumb would be to locate the radon testing kit between waist and shoulder height, towards an inside wall, out of direct sunlight or heating/cooling vents.

  4. Your radon testing kits should be placed in rooms that are regularly used (like a living room, playroom, den or bedroom) but not in a bathroom or kitchen.

To get more help choosing the right radon test kits for your home use our Radon Testing Wizard . Or if you know which test you need you can go directly to the order page.

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