Can a home be too airtight / Guides

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

Ventilation & air exchangers

...ast 40 years in Canada are relatively airtight . Before that we generally relied on leaky uninsulated walls to provide fresh air and prevent mold and mildew, an...

Pre-fabricated straw bale SIPS panels, an environmental choice
Wall assemblies - new construction

Modern straw bale SIPS construction: high performance, durable, affordable & interesting arena. Straw is a natural and non-toxic material; raw wood and concrete are equally benign, so this could be a good start to creating a healthy home. To re...

Air barriers are essential to a properly functioning wall system
Air and vapour barriers

What is an air barrier?

...argely as a breathable membrane to protect against water penetration behind cladding, it can be an effective air barrier if installed as such. Water vapor can p...

Natural Building Insulation Made of Grass - Eco-friendly, Green
Insulation and soundproofing

Non-toxic natural building insulation made of grass said, for some people this can be a necessity, or a home can simply be uninhabitable. Its hard to put a price on health, and the air in homes can typically b...

The difference between air barriers and vapour barriers
Air and vapour barriers

The Difference between air barriers and vapor barriers

...ater vapor that can pass through a ripped and torn vapor barrier is insignificant as long as the air seal is intact. Can a house be too airtight? No it cannot...

Air and vapour barriers

Aerobarrier home and attic air-sealing spray there are too many variables to be able to do that accurately. But to give a reasonable ballpark cost, according to Patrick Rouleau, "we are talking about a ...

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

How to choose a home-building contractor is accessible to all of us. And just because someone has been building homes for a couple of decades does not automatically mean they understand all the issu...

Problem areas of air leakage in a home and blower door test being cond
Air and vapour barriers

Airtight Construction of Homes is Essential: "Your house sucks." "Oh yeah? your house blows!"

...and require makeup air. Houses that are fairly air tight and that have negative air pressure may cause flue gases to backdraft into your house, which can be of ...

How to Insulate Exterior Walls from the Outside US Canada Ecohome
Walls and Roofs

The easiest way to insulate walls from the exterior in older homes

...agents ) Larsen truss walls can be made in a variety of thicknesses, which is a really nice advantage to the design as it can be done in a way that has the be...

Choosing the right firewood
Wood stove and biomass heat

Burning the right firewood for maximum heat output and minimum environmental impact

...and seasoned and are in alphabetical order: American beech Apple Ironwood Red oak Shagbark hickory Sugar maple (Music to eastern Canadian's ears!)...

Living green wall
Healthy indoor air quality

Living walls: what they do and don't do

...ahia Studio A living wall (also known as a green wall, plant wall or vertical garden) is not a cheap feature to add to a home, but it can have a positive fu...