Should you vent a crawlspace / Guides

Insulating crawlspaces as part of home renovation
Crawl spaces

How to insulate crawlspaces properly as part of renovating an older home

...and provide only an anecdotal overview of how to deal with radon gas . We would recommend having your air tested for radon, and if it is above Health Canada’s recommended safe levels ( 200 Bq /m³), please see our pages on radon gas mitigation in crawlspaces . Fixing a dirt floor crawlspace: All too often a crawlspa...

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

Removing radon gas from basements and crawlspaces

...ahoney is a radon mitigation specialist in the National Capital Region and sits on many advisory boards including the Canadian Association of Radon Scientists and Technologists , Canadian National Radon Proficiency Program , Canadian General Standards Board and CGA Standards (Compressed Gas Association). He worked with...

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

Mitigating radon gas in homes

...ater contaminated with high levels of 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 o...

Condensation on windows in our homes - why is it there? - how to stop it?
Walls and Roofs

Condensation on windows is a pain but is it a problem & how to stop it?

...ant to carefully seal air-barriers in homes , paying special attention to joins and breaks in the membranes – especially where secondary trades have passed after air-barriers were fitted - and by using specialist sealing tape that stays stuck down properly. Last but not least – if you live in a cold climate area that...