Passive radon stack / Guides

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

Mitigating radon gas in homes

...radon gas and stomach cancer, colon cancer and some types of blood cancer.” - David Innes, Radon Environmental Radon evacuation stacks: A radon stack can be passive or active. A properly installed sub-slab barrier and passive stack is a great start, and in higher risk areas or with trickier situations of retrofit...

Radon and vapour barrier below slab on grade floor
Healthy indoor air quality

Vapour / radon barriers below slab floors

...passive radon stack are also a prerequisite under the LEED for Homes program. Radon gas is the second greatest cause of lung cancer after smoking. Rather than using the typical 6 mil polyethylene as a sub-slab vapour barrier, we used a 10 mil barrier and a radon evacuation stack to lower radon gas levels in homes, re...

Crawlspace radon barrier installation for radon mitigation
Radon in Homes - Mitigation

Removing radon gas from basements and crawlspaces

...radon stack installation © Radon Works Radon exhaust stacks - placement to avoid freezing in cold climates Radon stacks are often brought up through the walls and vented out through the roof like a plumbing stack. The intention of that design is to keep it far enough from open windows to prevent the radon g...

Slab-on-grade for Ecohome's upcoming video building guide
Passive solar home design

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

...radon stack, central vac, power conduits, etc.) was put in place next, below the coming insulation and concrete. We used insulated water pipes courtesy of Uponor for greater energy efficiency. Plumbing infrastructure © Ecohome You need to be very sure about the placement of plumbing at this point as concrete is...

Condensation on windows leads to mold & mildew in homes, ERV & HRV systems help
Ventilation

Ventilation & air exchangers

...stack effect. Warm air rises, forcing air out the top portion of your home and drawing in cold air from the bottom to replace it. How much air will be changed depends on how well-sealed your home is. While natural convection will offer a certain amount of new air, with most new homes it just isn't sufficient. Prope...