Radon: What is it? How to Get Rid of It
See how radon, an odorless, colorless gas, enters your home and what to do about it. Learn more: bit.ly/1VaNMCp
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Transcript:
My home office is down here in the basement, the other day I was reading an article about radon and wondering if I might be at risk.
So just what is radon?
Radon is a colorless, odorless gas that's created by the decomposition of radium. Radium is a naturally occurring element found in all rock and soil to one degree or another. So whether or not a home has a radon problem depends upon how much radium is present in the soil that the structure is built upon. Testing is the only way you're going to know whether or not you have a problem.
Where is the highest concentration of radon likely to be?
Homes with finished basements are more susceptible to elevated exposures. So by all means, whenever testing you test the lowest lived in level of the home. So a family room in the basement constitutes that.
There are do it yourself radon testing kits available that are easy to use. Set the unit in place, leave it undisturbed for the prescribed amount of time, then send the device to a testing lab for results.
I've decided to have the tests professionally done. Another online search leads me to Home Spec, a local home inspection company specializing in radon. The next day, Ross Prevett comes by the house and sets up an electronic radon detection and measurement monitor in the finished portion of the basement. Two days later, he returns and downloads the test data. The results show that the amount of radon in my basement is 50 percent higher than the Environmental Protection Agency's action level of 4.0 picocuries per liter. Based on this EPA standard, I'm substantially above the level at which action should be taken to reduce radon concentrations, but just what kind of a health risk does this pose
Based upon extensive exposure there's an increased risk of lung cancer. Radon is thought to be the number one leading cause of lung cancer in nonsmokers and the second leading cause of lung cancer in the general population, after smoking.
I know I've got elevated radon levels and I also know that that can be a serious health hazard. So I'm going to have to do something about it. I'm going to go online here and look under radon mitigation.
A search revealed several local companies and I decided to contact this one, Connecticut Basement Systems Radon. After an initial consultation, I elected to have them do the work. A few days later, Rafael and Javier arrived to install the system. A Radon mitigation system draws air from beneath the basement slab through a hole bored into the floor. A pipe or duct is inserted into the hole and run outside where an inline fan expels the air and radon gas above the roofline, but how does radon get into the home in the first place?
Radon enters the home via many different entry points, through the ferocity of the concrete itself, through openings in the floor, whether it be through floor cracks, openings in the perimeter, floor drains and sump holes or dirt crawl spaces. Anywhere, where there's any kind of permeability and there's a source underneath the home, radon will find a way in.
Before the actual installation begins, the technicians bore two test holes on opposite sides of the basement floor. They apply suction to one of the holes and use a vacuum meter on the other. This test will verify that air beneath the slab can in fact be evacuated.
With the test complete, a three inch hole is bored through the basement floor. A section of PVC pipe is inserted into the hole and the gap around the pipe is sealed. Three inch PVC is now run across the basement, the joints are cemented and the pipe itself is hung from the joists with J hook pipe hangers. The pipe run is then connected to the vertical section coming up from the floor. Once it's determined where the pipe will exit the basement, a smaller locator hole is poured through the room joist. Then a three inch hole saw bores a hole large enough for the pipe. A section of PVC is inserted through the hole and connected to the pipe run inside.
Пікірлер: 305
I would liked to have seen an after installation test performed to see the new Radon levels.
@davidreid6957
4 жыл бұрын
absolutely????
@trentongesler9637
3 жыл бұрын
I think the systems depend on the area, vent, and fan size. I have recently installed one and have tested before and after. I had 2 vents installed and it cut the radon levels by 70%.
@poka9771
3 жыл бұрын
Much like some scam
@PeterPete
3 жыл бұрын
@@poka9771 I agree - radon scam!
@Adrianruper
2 жыл бұрын
@@PeterPete lol what do you mean scam?
this video was created 7 years ago and I have used KZread for over 12 years and TIKTOK just made me aware of Radon today 🥺
@alexanderastl5445
Ай бұрын
I’ve been in construction over 20yrs and I’ve never heard of such a bs ever since I watched it on TikTok, my bs meter is going off the roof right now, and that’s only 2500-3000$ It’s a steal omg I wouldn’t even trust to where I get it tested at
The real problem is that the mitigating company usually does the testing which is a conflict of interest.
@MrPatdeeee
4 жыл бұрын
Amen, amen and AMEN! I would imagine that in over 75% of the installations of Radon protection; there is shoddy work and/or downright scams. Oh indeed yes. Sadder is that is happening in EVERY single thing; when it comes to home repairs. If you haven't had this to happen, you are either ignorant to this malady; or you have not "lived" yet.
@Mike1614b
3 жыл бұрын
its not a real problem. radon tests are hard to fake.
@RileyNRV
2 жыл бұрын
Usually the buyer does a Radon test, if the levels are high, the seller uses a different company to perform a second test. If the averages of the two tests are above 4.0 piCO, the seller has a mitigation system installed. Your worry of conflict of interest isn't present in this type of transaction.
@Mike1614b
2 жыл бұрын
@@MrPatdeeee what are your qualifications to say those things?
@RileyNRV
2 жыл бұрын
@@elainelivingstonky Just do another Radon test lol. It's 100 bucks. It causes cancer over YEARS, not a cough btw.
Thanks for this excellent video. I am a UK person moving to US and had never heard of Radon testing before, but the house I’m buying in WI just tested at 4.5 Pikachu’s per Godzilla square foot. It’s all jumbo jumbo to me and the inspector recommended I have a mitigation system installed. Thanks to this video, I now can grasp what it all means! 👍
Excellent video extremely informative just one little suggestion -- do a follow-up test to see if the mitigation actually works and to what extent.
RIP Ron, just found out about this. You had some very informative and well put together videos.
Came here after Michael Scott throws away Radon test kit and had no clue what was this about. This video answered all my queries. Good job 👍
"well above the roof line...." of the ground floor extension, right next to bedroom windows. Hmm...
Hey Ron! Fantastic video, very informative and well put together -- thank you very much for sharing it! I have to agree with many others, though: a test to show the radon levels after the installation is a must, and I would be curious to hear what you have to say about the concerns of rain water entering the system from that seemingly exposed final section of pipe.
@drums25K
2 жыл бұрын
yes they need to add a rain cap on top similar to what chimneys have so that water cannot get in but radon can get out
The whole exercise is undermined by the failure to perform and demonstrate an 'after' test to determine whether the installation has made any difference to the radon level in that basement. Shame.
@SCU3A_S7EVE
5 жыл бұрын
F-
@psalc1
5 жыл бұрын
there should be something like a barometer attached to the exhaust pipe in your bsmt. if it is at "< or == 1.0" it's working the way it should. you can get decent electronic radon detectors that will give you almost real time readings. there are seasonal variations.
@pasqualz
4 жыл бұрын
Almis Peter Salcius - Can you recommend a brand and model of electronic radon detector?
@PatrickWagz
3 жыл бұрын
@@pasqualz hi, any luck finding an accurate electronic radon detector? thanks!
Buying a house in the UK & just had our 1st report that the house is in a possible risk radon area (where "Some parts of this 1km grid square are in bands of elevated radon potential. Maximum radon potential is 3-5 %", but it's non-descriptive as heck). I've had 2 houses so far & we've never heard about radon until now, buyers should be informed about radon even if they're not in a high risk area so they can prepare more for it before putting an offer on a house.
Why didn’t you do the test again to see if it actually worked. These days you have to make sure that any installment of any device is really working.
@timebasile
4 жыл бұрын
the gauge inside tells you the level
@JoeLewis14
4 жыл бұрын
@@timebasile The gauge tells you if there is a vacuum, not if the radon has been reduced.
@MrPatdeeee
4 жыл бұрын
@@datguy729 Why do you use obscenity name and calling to make your point? Huh? You NEED to look in the mirror when you do that.
We have a nice pipe open at the top leading straight down to an electric fan. Maybe it never rains where you are.
@Mike1614b
3 жыл бұрын
the rain that falls into that exhaust pipe will go back to the soil under the slab. Some states require the top of the exhaust pipe to look exactly like the one in this video, and in many states mitigators turn the top down to exclude rain
I see so many ways a person could get screwed and scammed by these people. Starting with the fan failing with rain water running through it and shorting out. I think self testing and DIY install and after testing would be the best answer.
@briansmith1027
2 жыл бұрын
You can get a mushroom cap for the top of the pipe to save rainwater getting in
With the exposed vent in that position, how do you deal with rain and what's the impact on the system?
Great viedo!!! Just bought a home that has a radon mitigation system and I had no idea what it did. Your viedo was very informative I now understand what it's actually for and how it works!! Thank you!
Hi, Ron, I saw your video and found it to be very educational and helpful. My question to you, is it a problem to have the top of the PVC pipe located at the highest point of the roof installed, facing outward the side instead of upward? In other words use an elbow shape instead of a straight shape? won't the rain falling straight into the pipe be an issue?
@purplepixie274
Жыл бұрын
I would have thought it would need a roof vent over it, also what if you have those windows open in the attic? Shouldn't the pipe go higher than highest point of house?
I feel like this is really easy to do on your own. Drill some holes, install some pipes, get a fan
Clutch information here. Explanation and demonstration on point!
That’s fantastic that the cities with high radon levels neglect to let new residents know of the potential dangers... I developed multiple Myeloma as a result (bone marrow cancer) I’m only 20 years old... thanks
@5:54: That appears to be unprotected Romex outside. Also, it's unclear how that system manages (1) condensation in the exhaust pipe and (2) rain into the pipe.
a followup test would be nice
Thanks a lot for sharing your video and experience with us. Very helpful and informative!
The real question is would you rather do the mitigation or have the seller. Personally I would rather do the mitigation and just take some coin off the top. That way I make all the decisions on the system
@tulasideviful
Жыл бұрын
Yes!
The Safety Siren Corporation Is A Radon Gas Monitor Called Pro Series That At Home Or At School Can Find Nuclear Radiations For The Details Of Nuclear Energy
5:13 It might be "well above" THAT particular roof line, but there's another one right behind it that goes up another story. How far horizontally does the pipe opening have to be from those windows??
Awesome video 👏
You cant interview a guy about radon who's bread and butter is radon mitigation. That's like asking a salesman for the Kemps dairy company if he thinks people should drink more milk.
Is that all you do for your rain cap? This is why I do things for myself.
Just got diagnosed with stage 4 lung cancer and I've never smoked. I wish I had known this before.
@Xoletta
5 жыл бұрын
I'm so sorry. My aunt (a lifetime smoker) had the same. The pain killers they gave her made her feel so sick, she couldn't eat. If you're able, I would try the more natural route, and opt for medical marijuana, which is so much more gentle on the system, and doesn't make you lose your appetite. Take care.
@TruckTaxiMoveIt
4 жыл бұрын
Sorry to hear about the diagnosis it sounds like you believe that radon might be the issue you still might want to mitigate your problem for your family
@truthseekerKJV
3 жыл бұрын
Asbestos can give you lung cancer as well.
@paulmaxwell8851
2 ай бұрын
@@truthseekerKJV Long, long occupational exposure to asbestos generally leads to a very specific cancer: mesothelioma.
My wife and me have lost 6 or possibly 7 family members to radon exposure. At this time Im living on bottled oxygen and doing pretty well. This situation is so insidious. I should have called Javier when I was made aware of radon levels in my immediate neighborhood.
@LizNeptune
Жыл бұрын
I’m so sorry to hear that… I hope that your health improves!!! Where about do you live?
@markr.devereux3385
Жыл бұрын
I appreciate your concern. Honestly I was playing with everybody. I remember years back when the hysteria was centered around radon and the lobby pushed through an inspection on houses being sold in many states. It certainly smells like a scam.
@darylsmith9318
10 ай бұрын
I have a similar story. My wife was attacked by radon simply because she made eye contact with it. It was a brutal assault and radon is nothing to be truffled with.
That was a ridiculously thin slab. I just installed a mitigation system in mine and it's 5" thick. But I contracted and supervised the construction so it was supposed to be 5" thick.
i hope that fan also works as a water pump, i don't quite understand why the vent is straight up and unshrouded, the leaf/pest screen won't keep out water.
Nice thermal bridge you made with that pipe...
@sonofsats
4 жыл бұрын
when non architectural people mess with houses and destroy the R values.
they didn't install a rain shield on the top of the pipe, its just going to fill with water.
Great video. I would have liked to see a radon retest with results...
Connecticut half the workers driving around dont even have a license or green card but they do a good job
I am buying a house and is winter. And let me tell you readings came out more than 5.5. So do it people is only about 150 to 250 depending on what state. Your health is more important over a house, especially when you have young ones living with you.
Excellent video! What's a ball park cost to have a system like yours installed?
Great !!! What happens when it rain and fills up that pipe ?
this reminds me of the all in the family episode where archies house needs aluminum siding.
Without proper treatment the holes in the siding basement and walls are going to overflow with buildup like mold and dirt and will eventually raise heir to more problems down the road. They live in ct tho so hopefully its not too humid assuming by the foliage they have less rainfall than average
@btbbelesky
Жыл бұрын
My thoughts exactly. Seems like another item to leak and just cause further problems down the road
Thanks for the informative video. We had a radon test done by a home inspector and the radon level was 4.3 pCi. The house had been all closed up for a long time as it was a foreclosure and basically abandoned. The test kit was left inside for 52 hrs. I'm now looking into a radon meter so we can monitor radon levels over the next few months before we fully move in. Does anyone have a recommendation for a radon meter? They have a few on the internet including one by Airthings being sold on Amazon. Are these devices accurate? Also, if we put in a fan, will this cause heat loss in the winter? Our house is in a cold climate in Upstate NY.
Does this system need its own circuit from electrical panel. Does the company usually do the electrical work
Was this home retested to see if this system works? If so it should have been put into this video.
My concern would be creating a negative pressure within the home affecting ventilation of carbon monoxide created by the furnace and water heater.
Is that Schedule 40 Pipe being used for your Radon Mitigation System?? It is required by Code that Schedule 40 Pipe be used. Some contractors also use gutter material. I am Certified with the NRSB (National Radon Safety Board) and always use Schedule 40 pipe. Contractors use the other types of pipe because it is much cheaper than Schedule 40 which means more money in their pockets! However, it will not pass if the right person sees it and knows what to look for. I believe in doing things right and giving my customers what they pay for! Nothing less!!! Someone mentioned the fan being outside and water being in contact with it..... certain fans ARE designed to be on the exterior and also the Radon Mitigation System SHOULD be slightly sloped so that water/condensation that does enter the pipe will drain back underneath the slab.
@shawnp8429
5 жыл бұрын
Yes sir, they used thin wall drain pipe 🤣🤣🤣
@Xoletta
5 жыл бұрын
Hi Mike Bolling, have you ever heard of Perma Seal? They install something like a 'French Drain' INSIDE the house, all along the outside perimeter, which guides any incoming water to the sump pump. I have this in my home, but didn't understand enough about radon to feel concerned at the time of installation. After knowing more, I AM concerned, now. I have a hundred year old home in Chicago with a painted concrete slab foundation, and now no apparent way to seal off anything. Do you have any thoughts on this? Thanks.
@wd8dsb
4 жыл бұрын
Hi Mike, your code might say schedule 40 is required, but that would just be for your specific location. Too many people think that because their code requires something that the code is universal. While I am on it, lots of people commenting negatively on the internet about fan being placed in the basement, but lets set some things straight. Actually Canada says the basement is the best location to prevent damage to the fan. I live in Fishers Indiana, and the city allows installation of the fan in the basement. If you think about it, if you don't allow the Fan to be located in the basement, then you should not allow gas furnaces or gas water heaters to be located in the basement. As Canada says regarding radon fan installation, "properly installed fans and pipes will not leak radon into the building and are usually installed in the basement". I will soon be installing my Radon Fan in the basement, no doubt about it (regardless of EPA recommendation). The NRSB is a money maker, and has nothing to do with being a government regulator agency.
I'm curious why it has to vent out so high? Also, what keeps the rain from getting in? Oh, also, does this system increase your AC and heating costs any?
@BigTony2Guns
2 жыл бұрын
code--above roofline
@msk3905
Жыл бұрын
You want above roofline so its past living space, no sense blowing it out basement to breath it on second floor. It is moving air from under slab not in the space so shouldn’t affect HVAC. If it does suck in some conditioned air what is your preference getting cancer or saving a few $ a month?
My radon fan is upside down. Its literally pumping the radon into my home! Get this: My new system looks very professional. But as I said, I discovered that my fan is upside down!! I was suspicious because a crack in the floor next to the radon pipe is blowing air into the house! It should be sucking down into the dirt. (actually should have been sealed) Next, my manometer says 4.8. (seemed high) Next, I climbed on the roof. My vent pipe is sucking down!! Finally, my radon level went from 4.6 to 6.8! And that's away from the room with the cracked floor. I'm currently testing over that crack. In about 40 more hours I'll get a reading. I bet its sky high over that crack. The installer needs to fix this. Hasn't called me back yet.
@Xoletta
5 жыл бұрын
What a nightmare you have on your hands!! I hope they fix it for you!
@JM-nh8yp
5 жыл бұрын
@@Xoletta They did come back and fix it. Radon went from 6.8 to 0.5, tested again in another area and got 0.3 within 4 days after repair.
@Xoletta
5 жыл бұрын
@@JM-nh8yp that's good! Glad it was worth it in the end!
@JM-nh8yp
5 жыл бұрын
@@Xoletta Yeah, thanks I didn't pay a penny for my new radon system. It was part of the deal before I agreed to buy my house a month ago. But I'm glad it works now .
@realismbystella9775
5 жыл бұрын
it would have been pumping fresh air into your home as long as the pipe leads to the outside. This will actually DILUTE the radon which in some cases could help
What about high ground water and coastal flooding? There would be water pulled UP from under the foundation, into the fan and out the top of the pipe... there must be a reason I've never seen one of these, despite years in property and commercial building maintenence.
Very beneficial video but the radon is still present somewhat in the air.
Wonder if there’s one that works automatically when reaching certain level... there must be one like that.
I have never heard of this, I only learned about it from my lease.
Great video. Thank you for sharing. Very well done.
I had no idea ab this and I'm well informed until this morning on cbs news I saw a woman who got lung cancer and she wasn't a a smoker and ran several marathons so she wz shocked with the diagnosis basements r not safe she had an office in her basement
don't you get rainwater into the pipe?
It seems that the pipe outside cannot handle the snow in winter right?
I plan on using this to help some Boy Scouts learn about radon for the nuclear science badge.
@royrice8597
5 жыл бұрын
Thayne Lybbert , Let them build a nuclear reactor like that other Boy Scout!!!
@bigsmilie07
4 жыл бұрын
Wtf
I've decided I don't want a house anymore. I'm going to sell mine and live in an RV. Too much ridiculous expensive unhealthy crap to put up with.
@CatholicK5357
3 жыл бұрын
have you seen the toxic off-gassing materials used to build RVs? That would be even worse. The best solution is to get an affordable air filter, whether living in a mobile home or a house.
@Mike1614b
3 жыл бұрын
in RVs? I agree
@coconutshells7018
3 жыл бұрын
@@CatholicK5357 yeah I think I'd rather have a van type traditional vehicle converted.
@CatholicK5357
3 жыл бұрын
@@coconutshells7018 Okay. I hope you use natural safe materials.
@coconutshells7018
3 жыл бұрын
@@CatholicK5357 most definitely would do that. But right now can't even find a used van or any appropriate vehicle for sale.
would be better extracting the radon that is in the room besides of below floor as in the video? how does the monitor work?
Thanks Ron 👍🏽Excellent video
I just purchased a home tester, made in the USA - the model was the SafetySiren Pro4 (4th generation) unit. I also purchased a 2 pack of the Accustar Alpha Track carbon radon testers to run alongside the SafetySiren electronic tester to compare the two for long term readings. My last reading was done 3 years ago with the a pair of the Accustar Alpha Track carbon testers only..... and they yielded a reading of 2.6 pCl. I have had the Safety Siren running for 2 1/2 days and the initial 2 day (48 hr) reading was 4.0 pCl..... I noticed last night the number has dropped to 3.9 and this morning it is at 3.8. I am wondering if the average level reading will continue to go down over time as I test it for long term radon levels.... due to radon fluctuations??? The owners manual said to not be alarmed at initial high ratings over the course of the calibration period of 2 days and that the longer term average is what should be focused on after it has been in place for several days to months. Would you find that to be accurate??
That’s a clean installation
What were the new readings? After the installation?.
is it weird i want to extract the radium from the soil?
Yes comparison readings , would tell the tale. It would interesting , kind funny that data was omitted.
Thank you for this information
Nice video, thank you!
This is scary I got a test kit for my grandma's house as her area is known for this I hope nothing bad is here
why install the fan outside, when you could put it in the furnace roomÉ
if the water goes up through the pipe? how do you solve it?
Thank you for this video 👍🏽👌🏽
We experience elevated radon levels in the basement. My doctor assured me i will likely be dead within a hundred years.
My house is built after 2018, I have the radon discharge pipe in the basement, if I want want to install that fan and system, how much it is?and how many years need to change?
Hrv systems are better in my opinion. Hrv units are required by code in my area on new builds. Vancouver, BC. Canada
So then what about the exhausted radon outside.. does one then compromise your outside air while your mowing lawn, etc.
This is an excellent instructional video-well done!
HOWdy R-H, ... THANKS COOP the WiSeNhEiMeR from Richmond, INDIANA ...
The outside pipe is open for rain, how does it work?
As uranium or thorium decay in the ground, radon is produced.
I'm not liking the windows being that close above the exhaust pipe. Above the roof is great, but I see windows there.
Thanks so much!
It all depends how much time you spend in the basement. I think in practice, the exposure is very low as few people spend hours a day in the basement. Furthermore, good luck with heavy rain into the pipe. Why not make a 180 degree turn at the end to prevent rain from getting into the system? Lastly, it is true that radon can come from underneath the floor. But it can also come from the concrete of the floor or walls itself. So, this system will not work then. A good measurement before and after the installement of the ventilation would have helped. Personally, I would not have done it unless I would spend many hours a day in the basement every day.
@petethoenen3229
7 жыл бұрын
Yeah. Especially if the is sand/soil under the slab. Water will greatly reduce the effect of the fan under the slab. Can't get much air through wet sand. Not as big a deal if the the slab has gravel or drain tile under it. The fan is designed for water/moisture, so that is not a concern. But a Tee terminal would be pest practice IMO.
@mr.c6674
2 жыл бұрын
@@petethoenen3229 , us northerners often have basements. Basement slabs that we use. It's a Northern thang!
I rented a place an the random gas was 5 something . anyways it was high considering windows an doors were open most of the time during the test. I was asked buy the inspector to keep things closed. But it was way to hot for me to do that during the summer. I talked to the guy doing the test. an asked, if I continued to live their without the system installed how long before I should worry , he told me roughly 15 years I would definitely have cancer. I have since moved. They say it's odorless, I beg to differ. We complained a few times of a fowl smell . we couldn't figure where it was coming from. oh yeah another thing I had my work bench in the basement, an if smoked a cigarette, it kept going out. continuuisly. I think their's. not"" enough research as of yet"". We will all learn in time. but these are a few things I noticed living where their is a high concentration of radon . The landlord tried to keep things pretty hush about all of it also. I hope this helps ohh it wasn't damp at all either. I hope this helps an don't take this stuff lightly it's serious..
If when you open your front door and it seems to be under pressure ...where your door almost seems to want to close on its own... Then you need to have your home checked.
@mrfoltz
5 жыл бұрын
Or you have ghosts???
Post installation radon results?
And how much time its going to be like that the vacum??
Radon: how much does the test and the installation of the system cost?
good info
Doesn't rain enter the pipe?
@MrGunsnScotch
6 жыл бұрын
SpellDreams sure looks like it would
@user-de3rn7jx3u
6 жыл бұрын
SpellDreams rain will absolutely enter that pipe good question good observation
@mikebolling6644
5 жыл бұрын
The radon system should be slightly sloped back towards the slab. This will allow any water that enters the pipe, to drain back underneath the slab. A few other things I noticed, once the hole is made through the slab, you should reach inside the hole and remove as much gravel as possible, to make a cavity. Also Schedule 40 pipe should be used from at least the suction point to the bottom of the fan. I personally use Schedule 40 pipe from start to finish.
@pattonlaughed8764
5 жыл бұрын
Thats why you need to be sure to have the water mitigation kit installed by professionals.
THE MUSIC!! XD
How much did that cost for the filter outside
I learned.
I was curious about whether it's supposed to include some kind of mesh to keep out wildlife, leaves, etc., then saw one at around the 05:10 timestamp
Question. Our radon levels were high (3.0-5.9) in our house (half basement). We had it fixed the level went to 0.6-1.0. We recently now have a water pipe leaking under the house. It’s been going on about a week. Now the Radon is
Your rise/run isn't high enough for condensation.
I would expect your fan to die after rain drowns it. Fan and switch should be inside and vent should have at least a 45 degree bend.
My house is classified b with means high radon risk
Air out your home regularly
Overall the video is well made but leaving that yellow wire exposed is against electrical code. That wire should be in an conduit.