Basements / Guides

Slab on grade for a Passive Solar LEED Home insulated by Rockwool © Ecohome
Insulation and soundproofing

Insulating below slab-on-grade floors

...basements and stay 4 to 5 feet below grade is to avoid frost heave, using dirt to insulate. With a slab-on-grade, the difference is you use 'insulation' to insulate, rather than dirt. This effectively moves the frost line from 4 feet down to just 6 inches, problem solved. Building above grade on a slab can be a much ...

Radon and vapour barrier below slab on grade floor
Radon in Homes - Mitigation

Vapour / radon barriers below slab floors

...basements From the EcoHome Green Home Building Guides

Tips for finding a reliable green home builder
How to Find Qualified Green Building Professionals

How to choose a home-building contractor

...basements smell mouldy? The answers you receive will quickly indicate the type of builder you are speaking with; either they will redirect, dismiss or dodge the question, or they will answer with confidence. If you are told any of the following – ‘you want your walls to breath’ , ‘you don’t want a house to be too a...

Flooded streets impervious surfaces - Calgary Alberta
Rainwater Collection & Watering

Rainwater management and water-permeable surfaces

...basements. Flooded residential neighbourhood via Wikimedia Treatment facilities that cannot handle the volume often have little option but to dump polluted stormwater and even raw sewage into waterways; aka your drinking water. In some cases, because there are so few unpaved surfaces to absorb rainwater, the ...

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

Maintaining healthy indoor air quality

...basements that is all too familiar is due to either poorly installed insulation , or having no insulation at all. Building below grade presents much greater challenges than above grade as walls cannot dry to the outside. Please see our pages on how to prevent mold in basements guide and basement insulation guide guide ...

Which House Plants are Best to Clean Air & Remove Toxins?
Healthy indoor air quality

Which house plants are best for purifying air? Ecohome investigates

...basements leads to mold and mildew, and due to the natural stack effect of air flow, mold spores from your basement will find their way into the upper floors of your home. The first step to dealing with basement humidity is to get a dehumidifier and try to keep the Relative Humidity level (RH) to below 50%. See our p...

A Vancouver laneway house
Flexible house design

Flexible house design

...basements is quite common for adding space to a home, but be sure your walls are well-constructed to prevent moisture damage. If you are pouring a basement floor but don't intend to finish it right away, consider installing radiant floor tubing as a future heat source. Plumbing and wiring: Some of the biggest cha...

Smart sewage backup device
Plumbing and water heaters

Sewage backup flood prevention and water leak notification on your device - our products of the month

...basements is a hot topic as we are regularly seeing the effects of climate change in the form of extreme weather events and unpredictable weather patterns. Snow melt combined with torrential spring rains can lead to very high water tables and consequently, sewage backflow is an increasing danger to homes and the health...

Why Radon maps by state or province shouldn't replace testing

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

...basements and crawlspaces, which radon mitigation system is best depends on how high your levels are, how finished your basement is and whether or not you use it as living space. The only really easy DIY Radon mitigation technique is for crawlspaces or basements with dirt floors , where a passive radon stack can be l...

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

...Basements , Removing Radon Gas from Well Water , and Choosing Between The Difference Between an HRV and an ERV to protect the indoor air quality of your home. Find all you need to know about Green Home Construction in the Ecohome Green Building Guide Pages .

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?

...basements or crawlspaces – When a home is built on a crawlspace or basement this can often be the cause of humidity in the home – even when the home is newer many areas building Code’s lock humidity in finished basement walls for years, causing damp and mold issues. Many basements were built with inadequate insulation,...