Residential Radon Mitigation Systems

 

Customizing a System For Your Home

Residential radon mitigation systems start with getting radon out of your house through a process called soil depressurization. The goal of depressurization is to draw radon-containing gas away from the house foundation before it even gets into the house.

The mechanics of depressurization involve the use of a fan which creates the necessary suction to vent the radon gas to the exterior of the house. This approach is referred to as active soil depressurization (ASD) and constitutes the vast majority of soil depressurization systems that get installed in home today.

 

Different Techniques for Different Homes

 

For Homes Built on a Slab

Sub-slab Depressurization involves cutting at least one 4 – 6″ hole through the slab. A small pit is hollowed out beneath the hole and a PVC pipe is inserted. This pipe is routed to a fan that creates a vacuum beneath the slab. A single radon vent pipe is often all that is required in a residence. A general “rule of thumb” suggests the use of one vent pipe for roughly every 2,000 square feet of floor space at ground level. The number of suction points depends on the permeability of the soil beneath the slab and the number of footings within the building.

 

For Homes with a Crawl Space

Crawl space depressurization helps reduce moisture in the crawl space. A length of perforated pipe is laid on top of the soil running the length of the crawl space. The pipe will collect the radon from beneath the plastic sheeting when connected to a fan. Perforated pipe used to collect soil gas is laid on the floor of the crawl space. A high density, cross laminated polyethylene sheeting is then laid on the soil. This type of sheeting is very durable and resists tearing.

 

Block-Wall Depressurization

With this method, at least one four to six inch hole is cored (drilled) through the slab. A small pit is hollowed out beneath the hole and a PVC pipe is inserted. This pipe is routed to a fan that creates a vacuum beneath the slab. A single radon vent pipe is often all that is required in a residence. A general “rule of thumb” suggests the use of one vent pipe for roughly every 2,000 square feet of floor space at ground level. The number of suction points depends on the permeability of the soil beneath the slab and the number of footings within the building.

 

Drain Tile Depressurization

Homes that have sump pumps or French drains for control of rainwater can be effectively mitigated utilizing the sump to collect radon from the underlying soil. Two types of drainage systems can be readily adapted to collect radon from the soil below a house and exhaust it safely outside. When the drainage system includes a sump, a lid with vent piping is placed on the sump pit. A radon fan connected to the vent pipe is used to draw radon from the soil and through the sump, to an outside exhaust point above the home’s roof. When placing a lid on the sump pit, it is important to remember to allow for future removal of the lid to allow servicing of the sump pump.

 

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Cook’s Radon – Residential  Radon Mitigation System
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Serving North Metro Atlanta

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Buford Suwanee Johns Creek
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Craig Desimone
Craig Desimone

5 out of 5 stars

posted 4 months ago

Tony installed a system for us for a cover-all fee to get radon below limit. It was reasonable as my house took three suctions and diagnostic / radon level was guaranteed. Don't try to save a few bucks and get it done right. Highly recommend!

Richard Baker
Richard Baker

5 out of 5 stars

posted 6 months ago

Showed up right on time. Explained the different options well and didn't try to bs me or sell me on the most expensive option. A little higher than we thought it would be, but you get what you pay for.

Ashley
Ashley

5 out of 5 stars

posted 1 year ago

My husband and I recently moved to the Alpharetta area. We found out about radon and immediately had our house tested. Our levels came back high, which really concerned me, as we have small children and pets. We found Cook's Radon via there website. When I called I talked to office staff that was not only polite, but educated about radon and what they could do for my family. I had an appt. set up that day for that very same week. When Tony came out he did a radon proposal, for FREE I might add!! This is a radon mitigation specialist who knows his stuff and saved us money. We were put on the schedule for our system to be installed. The crew that came out was very friendly and respectful of my space. The end result was a radon system that lowered my levels (keeping my family safe), a system with a lifetime warranty, and knowledge to spread around. If you want help with your radon questions or problems Cook's Radon is hands down the way to go.

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