Radon mitigation equipment such as passive radon stacks are becoming mandatory in many regional building codes and the can be installed afterwards in some situations but it really depends on your specific level of finishing.
Radon ventilation system for basements.
If the basement is continuously wet the natural method is most likely insufficient and a more mechanical system may be.
Here are a few pages to read that may help how to remove radon gas from basements and crawl spaces.
Radon mitigation systems are great ways to remove radon from your home but they can be tricky to install.
Many homeowners with a finished basement are concerned about the radon mitigation process and although some of the options as to where the system can be installed may be limited it is still very possible to install a mitigation system in a finished basement.
Radon test kits are readily available online and in home centers.
Radon is a radioactive gas and known to be a carcinogen.
Can you install a radon mitigation system in a finished basement.
A wet basement needs additional ventilation such as fans or a dehumidifier.
Steps for installing radon mitigation.
It s not a problem everywhere but the bedrock in some regions produces enough radon for it to concentrate on basements enough to raise the risk of lung cancer.
Therefore it is imperative that any ventilation system does not further reduce the air pressure within your house and increase this pull.