Radon in crawlspaces / Discussions

How do you fix radon in a basement?

...ing to the main floor and trying to prevent radon gas in the basement air from rising to the upstairs? Our basement is a viable living space, I want to get unde...

Posted by Ej Weiss Aug. 11, 2021, 7:14 p.m. Radon in Homes - Mitigation 3 Responses

What can I do to prevent mold and musty smells from a crawlspace with a dirt floor?

...in the dirt from evaporating into the air. But one question first, where are you located? Are you in a high-risk area for Radon contamination? If so that can be...

Posted by bonna gordy May 15, 2020, 8:16 p.m. Crawl spaces 1 Responses

How do you do Radon mitigation when with insulating and ventilating a crawlspace?

...radon to safer levels. Ventilating crawlspaces is not recommended due to the potential risk of bringing in hot humid air during the summer months where it can...

Posted by Cathy Gaskins Feb. 17, 2021, 3:46 p.m. Radon in Homes - Mitigation 1 Responses

How do you install your own DIY radon mitigation system?

...install the pipe in utility roor or garage, and expel from the side wall (no windows on this one), intead of from the roof. Thank you! Removing radon gas wi...

Posted by Ariel Fridman Jan. 27, 2020, 10:59 a.m. Radon in Homes - Mitigation 1 Responses

Can you use an HRV or ERV for radon removal in a dirt floor basement?

...radon gas in basements and crawlspaces, but given that you say your levels aren’t too high and you have a dirt floor, covering that with a radon evacuation tube...

Posted by Douglas Touart March 1, 2021, 5:15 p.m. Radon in Homes - Mitigation 1 Responses

How do I get rid of moisture with cement floor crawl space that has a vapour barrier?

...ing worth looking into while you're at this stage would be to check if you have high levels of radon gas, here is our page on How to Remove Radon Gas from Basem...

Posted by Cindy Chatham 04 chatham Aug. 25, 2020, 4:47 p.m. Crawl spaces 1 Responses

Is sealing basement concrete floor against radon a good idea?

...ine unfinished concrete floor and walls. I have heard of a product called radon block, I believe this is a sealer of some kind. Just wondering if sealing my...

Posted by Tim Hanrahan Sept. 18, 2020, 3:11 a.m. Radon in Homes - Mitigation 3 Responses

Could a ductless heat recovery ventilator be used for radon mitigation?

...insulated with 3" of foam. I have measure the radon with Airthings Waveplus and it varies between 3.5 and 6.5 daily during winter with all windows closed and th...

Posted by Jim B Feb. 20, 2021, 4:40 p.m. Radon in Homes - Mitigation 1 Responses

What is the best way to insulate a crawlspace to keep humidity down and stop odors?

...inches would certainly not be overkill, I"m glad to hear you aren't In Minnesota or Winnepeg and thinking of 1 inch of EPS.

Posted by Dave Bell Oct. 24, 2019, 3:57 p.m. Crawl spaces 3 Responses

How do you insulate a crawlspace?

...insulating and sealing the crawlspace walls and floor instead, and having it moderately heated to keep any pipes from freezing. If insulating between the joists...

Posted by Drew Weistend Nov. 14, 2017, 9:22 a.m. Crawl spaces 1 Responses

In the winter should you heat a low/dirt floor crawl space with a furnace vent?

...ing a dirt floor crawlspace without taking any steps towards insulating the crawlspace and creating an air seal is going to cost dearly, so there are a few thin...

Posted by janis hobson Dec. 11, 2019, 3:17 p.m. Crawl spaces 1 Responses

How do you insulate a crawlspace with dirt floor?

...radon gas in homes, so see our pages on mitigating radon gas in basements , including how to remove radon gas from well water , in case you dig a well in the fu...

Posted by sal Bellicoso Oct. 30, 2019, 4:56 p.m. Crawl spaces 2 Responses

How do you remove water droplets from under a crawl space vapor barrier?

...into the air, raising the relative humidity in your crawlspace and increasing your risk of mold forming . Here is our page all about how to insulate a crawl spa...

Posted by Paul Racioppo Feb. 7, 2020, 3:49 p.m. Crawl spaces 3 Responses

How do you fix radon and water infiltration in a dry stone foundation?

...ineer this... Oh, and there's mice galor! So thinking of caulking rim/joists and filling w rock insulation btwn. Heard they hate that stuff. Many thanks in adva...

Posted by john flannery July 14, 2020, 4:24 p.m. Foundation and basement improvements 5 Responses

Can my shallow crawl space be converted to a slab foundation?

...inage while trying to build the footing. If that turns out to be too costly, remember that you can repair crawlspaces in most cases , see here for more info o...

Posted by Sian O'Keefe Aug. 15, 2020, 12:52 p.m. Slab on Grade 1 Responses

I have many issues with my house where should I start?

...ing that you did, and great if it came out pure. If you have determined that there is no safety risk in keeping the Vermiculite in your attic and you plan to in...

Posted by Bryan Squirrell Sept. 29, 2019, 3:08 p.m. Wall assemblies - renovation 1 Responses

What's the best way to seal a crawl space and insulate?

...ing in hot humid summer air can lead to condensation as it comes in contact with what is often cooler surfaces down there. And to the point of putting foam in...

Posted by Steven Johnston Feb. 23, 2021, 12:35 p.m. Crawl spaces 1 Responses

Can you provide Crawlspace Insulation Design Assistance?

...radon barrier as well. Insulating the joists is a fine idea, but I would be super careful about keeping the moisture levels down, that’s why I’d be thinking o...

Posted by Randy Christensen Dec. 10, 2019, 12:17 p.m. Crawl spaces 1 Responses