Wall / Guides

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 ...

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...

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...

Heat Recovery Ventilation - Lunos video
HRV and ERV

Lunos ductless air exchanger

...walls, making it the ideal compact HRV unit for reno's and retrofitting . Consequently, there is no need for ductwork or reserving space in your mechanical room for an air change system. Wall sleeve for Lunos © Ecohome Wall sleeve for Lunos © Ecohome These systems are a direct interface between the insi...

Living green wall
Healthy indoor air quality

Living walls: what they do and don't do

...wall ensures you have an abundance of such greenery. And an automated system such as this also means your plants won't die of thirst due to forgetfulness. Green walls for living rooms © The Bahia Studio A living wall (also known as a green wall, plant wall or vertical garden) is not a cheap feature to add to a ...

Techniques for reducing sound transmission in buildings
Insulation and soundproofing

Controlling sound transmission in buildings

...wall (or floor) but also for the walls and floors that abut the party wall. The details of the connection between the walls and floors should be known too, if possible. This information is needed to decide if flanking paths are likely to be a serious problem. Building plans or information from the developer might be ...

Basement Design for walls prevents mold & midlew when renovating & finishing
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...

Finished basements can lead to mold and mildew
Healthy indoor air quality

Why are basements moldy? How to fix or Prevent a Moldy Basement

...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...

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 ...

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?

...wall. This is often a problem with flat and cathedral roofs but it also happens frequently in framed walls but doesn't get spotted until it's too late because of the ubiquitous poly vapor barrier between the drywall and the studs. The moisture laden air can penetrate into hidden interstitial wall cavity from the exte...