High-performance building tape / Guides

Passive House wall system ; Larsen Trusses & dense-packed cellulose insulation
Wall assemblies - new construction

Larsen truss wall systems with double-stud construction & extra insulation for new homes & energy efficient home renovation

...high-performance building tape to seal the joints and the Larsen Trusses are effectively a cost-effective and lightweight way of creating a double-stud wall assembly without creating problems. As for the sheathing, see here to help decide whether OSB or plywood is the best choice for walls . The history of the Larsen...

Correctly installed Triple pane south facing windows on Ecohome's Demo House
Windows and doors

Installing doors & windows for the best performance in high efficiency homes, LEED & Passive House

...buildings like LEED certified, Passive House, ZNE , Passive Solar, Zero Energy Homes or even Positive Energy Homes all rely on the building envelope having a high level of insulation, and a managed level of Air Transfer Rate, preferably via an HRV or ERV unit to control the energy losses from essential ventilation . Yo...

Choosing a building envelope
Wall assemblies - new construction

Choosing a building envelope - starting with the perfect wall

...building codes, building materials, and how we condition our homes. These changes mean homes are better insulated, more airtight and, most importantly, with better ventilation like HRV's or ERV's or air conditioning. There is also much more understanding of how buildings work and why walls can fail in a home with air c...

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

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

...Building advice , see our Green Home Building guide pages to learn more about easy energy efficient home improvements , how to properly insulate an attic , When to replace old windows and when to repair them , How to choose the best windows and everything else you need to know about planning a renovation or new buildin...

Tyvek home wrap left exposed to wind and UV rays
Air and vapour barriers

Choosing the right house wrap / weather barrier, which is best?

...tapes we most often use may become brittle over time and no longer adhere. You'll have better luck using weather barriers as air barriers if you place staples where they will be covered by strapping, or put tape over them. Don't over-staple it for no reason, staples only have to hold it up until the strapping is on. ...

Step by step guide for slab-on-grade home construction
Slab on Grade

Slab-on-grade construction: the ecoHOME A to Z Slab building guide

...building tape. 1) We use the term 'air / vapour barrier' to avoid confusion of their individual roles. Polyethylene needs to be intact with no holes simply for the containment and evacuation of radon gas buildup below the slab. If you live in an area with no known radon contamination or have no intention of install...

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?

...Building Guides for Sustainable Buildings on North America's favorite sustainable building advice website - EcoHome.net

Passive House in Quebec
Passive House

The Passive-Aggressive House - Our History of a Passivhaus Build

...building two stud frame walls back to back , with a continuous layer of insulation in between. But with a timber frame there’s virtually no limit to the thickness of a wall one can hang on the structure. Plus, building one thick wall is cheaper than building two thinner ones, which offsets the cost of the timbers. So t...