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Which of the following radon reduction systems could best be installed in a home with a crawl space beneath it?

A. Block wall suction
B. Drain tile suction
C. Sub-membrane suction
D. Sub-slab suction

Answer :

Final answer:

The best radon reduction system for a home with a crawl space is sub-membrane suction, which uses a membrane to block radon from entering the living space. Alternatives like block wall, drain tile, and sub-slab suction are less effective in this scenario. Sub-membrane suction creates a barrier against radon accumulation effectively.


Explanation:

Radon Reduction Systems for Crawl Spaces


When addressing radon reduction in a home with a crawl space, the most suitable system is sub-membrane suction. This system is designed specifically for homes with crawl spaces, where radon gas can easily accumulate. In this method, a high-density polyethylene sheet (membrane) is installed over the crawl space soil, creating a barrier that prevents radon from entering the home.


Here’s a brief overview of the systems listed:



  1. Block wall suction: This method is used when radon enters through block walls, which isn’t applicable for a typical crawl space setting.

  2. Drain tile suction: Often suitable for basements with drain tiles in place, this system is less effective in crawl spaces which do not commonly utilize drain tiles.

  3. Sub-membrane suction: Ideal for crawl spaces, as it effectively prevents radon from infiltrating through the soil.

  4. Sub-slab suction: More applicable for basements where radon is suctioned out from beneath the concrete slab, but not useful in crawl spaces.


By installing a sub-membrane suction system, homeowners can significantly reduce radon levels and minimize the risk of exposure to this hazardous gas.


Learn more about Radon Reduction here:

https://brainly.com/question/20527349


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