Efficient wall / 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

...wall assembly that allows for thicker insulation, is ideal for dense-packed cellulose insulation wall systems and a very high R-value building envelope without many of the problems associated with double-stud wall construction. Not only is it a great wall system for new green home building incorporating a double-stud w...

Building science for LEED v4 wall design made easy
Concept and design

Building science for LEED v4 wall design made easy - video

...Wall Design: Building Science The wall we designed for the Edelweiss house, Canada's first LEED Platinum V4 Home is best categorized as a 'REMOTE' wall, a high performance building envelope developed by the Cold Climate Housing Research Centre in Alaska. REMOTE stands for 'Residential Exterior Membrane Outside-in...

Choosing a building envelope
Wall assemblies - new construction

Choosing a building envelope - starting with the perfect wall

...wall? What is the most energy efficient wall? What is the most soundproof wall? What is the most affordable wall? That is just a short list of things to consider, and despite many people online saying they have " The Perfect Wall " there isn't one right answer, because honestly the perfect wall system for your ...

Net Zero Energy homes Edmonton Alberta
Off-grid and Net-Zero Housing

Net Zero Energy house in Edmonton, Alberta

...wall systems: Different wall systems combined with various technologies are being used to demonstrate diverse methods to achieve Net Zero energy consumption. The showhome and neighbouring home to the West will feature a 12" EnerGard Wall System made with engineered wood and expanded polystyrene which achieve an i...

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

...wall are plenty. It eliminates thermal bridging through studs, provides lots of room for insulation, and the air/vapour barrier is sandwiched between walls where it won't need to be punctured for electrical work, as all wiring is done on the interior 2x4 wall. High efficiency Double wall assembly © Bala...

Dense-packed cellulose wall insulation
Wall assemblies - new construction

Dense-packed cellulose insulation wall systems

...wall construction on 1200/ft2 of wall you can expect to pay about $1.00/ft2 installed. If you add 1" or more of breathable foam insulation on the outside of the wall you will be looking at a minimum of an R25 exterior wall. A typical wall would be built with the following layers from inside to outside: 1) Drywall, ta...

Built to ENDURE: the Net Zero Heat Kenogami House
Efficient home design

The Kenogami House: designed to ENDURE

...efficient - a high performance home must comprise efficient energy systems and an energy efficient building envelope N - Non-toxic - creating a healthy interior living environment, safe from harmful contaminants D - Durable - a home built to last spreads its ecological footprint over a longer period of time U - U...

Energy modeling simulation of heat loss through thermal bridging
Efficient home design

What is a thermal bridge and why is it so important to break it?

...walls quite unpleasant, rendering part of your home somewhat unusable at times. Wood, metal and concrete in exterior walls act as thermal bridges, conducting far more heat than the insulation on either side of them. But with most types of wall assemblies we have little choice but to use some kind of heat conducting m...

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

...efficient and durable walls here : Choosing a house wrap, which is best? How to choose between OSB and Plywood sheathing for Walls The difference between air barriers and vapor barriers How to install siding so walls can dry How to install windows properly in high-performance walls F...

Better Basement Design on basement walls prevents mold and midlew
Healthy indoor air quality

Basement renovations: How to prevent mold when finishing basements

...wall assembly for a basement application - read on! Rigid insulation board against concrete adds R value, breaks the thermal bridge and raises the temperature of the stud wall, which helps prevent moist air from condensing. The stud wall allows for the installation of wiring, additional insulation and drywall. Dryw...

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

Modern straw bale SIPS construction: high performance, durable, affordable & interesting

...walls are straight and true, and require only mudding as any gypsum board wall would. And now for the best part; the price. Chris Magwood was reluctant to say exactly how the price compares to conventionally built homes, but that is simply because there are too many variables in other wall systems. But he is quite co...