Efficient wall / Guides

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

How to choose a home-building contractor

...efficient homes? Do you build airtight homes? Do you conduct blower door tests? Do you do energy modelling? What do you do to avoid thermal bridging in walls? What are your preferred types of insulation? Which type of wall assembly do you recommend? What is the most important feature in a home that affect...

Moving to the Countryside - How to make it Work
Lifestyle, location and commuting

Moving to the countryside? Here's how that can work...

...walls. LEED Platinum prefab Kit house under construction Prefab houses go up faster than site-built homes. We have said before and will again, we believe the concept of having materials such as lumber, insulation and drywall being delivered to a building site and assembled in place will in time be nothing but...

Prefab Passive House & LEED Kit Homes for Sale in Ontario & North Eastern US
Concept and design

Prefab Passive House & LEED ready kit homes - the future of buying a new home?

...wall assembly, in kit form The prefab high-performance walls of this Passive House & LEED ready home kit are made almost exclusively using ecological materials from natural sources: double-stud wood framing, recycled paper (cellulose insulation), and wood fiber insulation panels . Double-framed wall construction ...

How much is Too Much Insulation in my Attic or Walls?
Insulation and soundproofing

How much insulation is too much in attics and walls?

...wall that has only one inch of insulation is certainly well worth the investment, in any climate. Adding one inch of insulation to a wall that has 5 inches of insulation makes sense in most climates. Adding one inch of insulation to a wall that has 30 inches of insulation makes sense nowhere. Even Yoda won’t live long ...

Passive home designer Harold Orr, one of the original high performance homes
Passive solar home design

The principal designer of the house that inspired the global Passivhaus movement reflects on the project that started it all.

...walls. So the wall becomes expensive very quickly. Third you can insulate the wall, install the air / vapour barrier, then strap the wall on the inside with 2x3's. The problem with this is that 2x3's are the same price as 2x4's, and strapping the wall horizontally is more labour intensive than building a double wall....

Ice dams on roofs & how to fix them
Roof assemblies - renovation

What causes ice dams and how to fix them

...wall where the roof and wall meet. The inside of kitchen cupboards can be a tell-tale sign as well – since the air in kitchens is often more humid and cupboards are closed with little air movement, condensation can form on the walls in the back of cupboards. Whether or not you have indentified an ice damming problem,...

Crawl Spaces or Slab on Grade Foundations?
Foundations and Basements

Slab on grade or crawlspaces, which is better?

...wall, all the insulation on the walls and floor (or crawl-space ceiling), drainage, exterior damp-proofing membranes and weeping tile, then you need to build a floor over top of it. The comparable stages of slab-on-grade construction would be laying down insulated forms, adding rebar plus mesh and then pouring concrete...

Canada's first LEED V4 Platinum certified home - The Edelweiss House
LEED Homes

Canada's first LEED V4 Platinum house - An EcoHome project checklist

...walls Lightweight synthetic gypsum drywall with high recycled content Mineral-wool insulation , including the insulation used under the slab LED lighting fixtures and bulbs Interior paints and floor adhesives with zero volatile organic compounds A DIY Green living roof Under-slab high performance radon barr...

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

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

...wall assembly from moisture damage by stopping humid air from escaping and depositing moisture in the wall around your windows. Read more here about what to look for when shopping for high performance windows. Drafts around windows and doors: Drafts in homes from windows & doors are worse in winter © Ecohome ...

How to choose Triple pane, high performance windows
Windows and doors

Our top tips for buying high-performance windows

...walls which are insulated to R50. If that house was fitted with just one 3 foot by 3 foot window with an R-value of only 1, the overall R-value of all of the walls combined would drop to R40, even though the poor-performing window occupies only 0.5% of the total wall area. If the house actually had two such windows, ...

Crawl Spaces or Slab on Grade Foundations?
Crawl spaces

Should I Build on a Slab on Grade Foundation or a Crawl Space?

...wall, all the insulation on the walls and floor (or crawl-space ceiling), drainage, exterior damp-proofing membranes and weeping tile, then you need to build a floor over top of it. The comparable stages of slab-on-grade construction would be laying down insulated forms, adding rebar plus mesh and then pouring concrete...