Damage / Guides

4th generation blowing agents for spray foam
Insulation and soundproofing

New HFO blowing agents for spray foam will make it over 1,000 times less harmful to the climate

...damage they did to the planet. While we have always recommended builders use alternatives to XPS and spray foam whenever possible, even considering the negative impacts there was often little choice but to recommend them as sometimes there were no suitable replacements. As dedicated green builders, it will be much ea...

Flooded streets impervious surfaces - Calgary Alberta
Rainwater Collection & Watering

Rainwater management and water-permeable surfaces

...damage city infrastructure as well as present a greater flood risk for cities along the coast and even inland cities with water ways that are prone to flooding. We know many coastal cities are already at risk of flooding due to rising sea levels and increased storm surges; obviously this is made much worse if such a ...

Bike lanes in Vancouver
Lifestyle, location and commuting

Vancouver's goal of becoming the Greenest City by 2020

...damage to the interior of walls as many litres of water carried in warm air can pass through even the smallest of holes in a heating season. A house with an EnerGuide rating is like a car with a safety check. It is an independent third party report on the quality of what you are buying, and an indication of what you ...

Installing a rainwater catment system
Rainwater Collection & Watering

Installing a rainwater catchment system

...damage the pipe outlet system you can shut the valve to prevent the entire contents of the tank being lost. Tanks can be installed under decks if the support structure is designed to leave space underneath to accommodate the tank. All tanks must have an overflow connection to stormwater (or perhaps another lower ta...

A Vancouver laneway house
Flexible house design

Flexible house design

...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 challenges in changing the layout of a home include plumbing and electricity. Imagine how much easier it would be to conv...

How to insulate basements properly
Insulation and soundproofing

Best practices for basement insulation in new home construction

...damage. Different types of insulation are included at different points in wall assemblies. For details and characteristics of different materials, see our page on choosing insulation. CLICK IMAGE TO ENLARGE Insulation on the exterior and interior, from outside to inside: fiber cement boa...

Off grid, passively heated and cooled house in the Gatineau Hills, Que
Off-grid and Net-Zero Housing

Off grid living blog, part 2: passively heated, this house in Quebec aims for LEED certification

...damage inside walls. The insulating value of the wall adds up to R48.8 in total, which is about twice that of most provincial building codes. With framing materials factored in, energy modeling shows the effective or 'true' R value of the wall is 36.3. With heat gain from the sun and an airtight building envelope, th...

Green cleaning products
Healthy indoor air quality

6 easy steps to detoxify your home

...damage. If there's an item you must dry clean, remove it from the plastic wrap and hang it outside to let it air out before wearing it or putting in your closet. 4.) Remember what freshness really smells like - nothing. "Soft Petals" or "Clean Linen" do not actually smell like fresh air. Fresh air often has no scent ...

tidal power generators
Renewable energy

Tidal generators offer a predictable supply of renewable energy

...damage caused by existing dams, but perhaps the future harnessing of hydroelectric power won’t come with the same costs if free standing turbines become the norm.

Top Tips for Getting a House Ready for Winter
Wall assemblies - renovation

Winter preparation for your home - are you ready for the cold?

...damage and air leakage causing internal condensation and mold in walls. Most of the problems that a home will face during a deep freeze are moisture related in one way or another. Extreme differences in temperature between inside and out makes indoor humidity a bigger concern. Warm moist indoor air will condense on...

Heat Recovery Ventilation - Lunos video

Lunos ductless air exchanger

...damage. By multiplying the openings, it also increases the risk. So, seal the sleeves well, and as an added measure, surround it with insulation that isn't moisture sensitive; mineral wool for example. The lack of convincing data: Given its unusual characteristics, the product's efficiency cannot be tested to the sam...