What is radon gas / Guides

Radon Mitigation - Installing a radon evacuation stack in a slab floor
Radon in Homes - Mitigation

Mitigating radon gas in homes

...radon gas as a matter of course, but especially if you've ever heard of any reports of there being radon gas in the area. Testing Radon in Homes in Canada - Order Online Here or for Testing Radon in Homes in the US, Order Online Here Is there radon gas in water? Yes, unfortunately radon is water-soluble and...

Why Radon maps by state or province shouldn't replace testing
Radon in Homes - Mitigation

Radon Levels by State & Province - Why a Radon Test is Essential

...Radon gas maps - levels by State or Province Radon maps show where the risk of radon contamination in homes is the highest, But finding the local risk level on a radon map is not a clear indication of safe or dangerous levels of radon gas in a home. For example, below are official maps of the high-risk radon gas area...

Preventing radon gas in homes starts with testing for radon - the only sure way
Radon in Homes - Mitigation

Radon Gas Awareness - Up to 10% of North American homes tested have unsafe radon levels

...radon in new homes have " many unresolved issues which could result in severe and immediate health problems, and even death" Radon, where does it come from & what is safe? Radon gas is a by-product of decomposing uranium in rocks and soil , and homes in all regions across North America are at risk because there is ...

The importance of Cleaning HRV intakes
HRV and ERV

How to keep your HRV clean and operating efficiently

...is more intended to service the main floors and much less the unfinished basement that we rarely use. By no means is this an ideal set up, but it was done before radon gas showed up on my radar. I recently had my air tested and discovered that the radon levels in the basement were significantly higher than Health Canad...

Step by step guide for slab-on-grade home construction
Slab on Grade

Slab-on-grade construction: the ecoHOME A to Z Slab building guide

...RADON GAS EVACUATION with a slab on grade foundation: Radon is a naturally-occurring radioactive gas that is produced when uranium that is present in the earth's crust starts to disintegrate. The gas infiltrates houses through cracks in the slab. Radon exposure is linked to roughly 16% of lung cancer deaths in Canada...

Non-toxic building materials can improve home air quality
Healthy indoor air quality

Maintaining healthy indoor air quality

...ists have found no conclusive evidence and also point out that 'potential' links to cancer is a title that has been applied to many common substances. This is meant neither to dismiss EMFs nor instill panic, but rather to tell you the issue is out there, and to help you make your own decisions. Humans have a long his...

Basement wall insulation
Insulation and soundproofing

Properly insulating basements and concrete slab floors

...is likely that such an abysmal starting place made the addition of any insulation at all seem sufficient, so basements built to code are still often chronically under-insulated. Current building codes vary by region and state, but what is consistent is that if you insulate to the minimum requirements of code, your ba...

LEED Homes

The 19 LEED for Homes Prerequisites

...Radon-resistant construction: Homes in high-risk radon gas areas must have protection against radon infiltration. The project manager has the option to install a passive depressurization column (highly recommended) or to test for radon after construction is completed. Installing a passive radon vent at the time of ...

Finished basements can lead to mold and mildew
Healthy indoor air quality

Why are basements moldy? How to fix or Prevent a Moldy Basement

...ising many go moldy, and this is hoping that measures have been taken to ensure it is completely protected from ground moisture ingress by waterproof membranes on every single surface. Concrete is like a sponge, and when left unchecked will continue to wick moisture from the ground and distribute it into your home for ...

Better Basement Design on basement walls prevents mold and midlew
Healthy indoor air quality

Basement renovations: How to prevent mold when finishing basements

...is somewhat moisture permeable; this is true, but only slightly so and not enough to be a problem. According to Professor Straube, two inches of EPS has a perm rating in the range of 60-75 ng, or 1-1.25 US perms, which is right on the cusp of what is defined by building code as a suitable vapour barrier (60ng and under...

Slab-on-grade for Ecohome's upcoming video building guide
Slab on Grade

how to build a slab-on-grade on standard soil

...is often omitted with this technique, which leads to thermal bridging and heat loss. This technique also requires a second trip with a concrete pump truck, which depending on your region can run anywhere from $700 to $1000. Instead, what we have done here is known as a 'monopour', where the footing and slab are poured ...