Building envelope / Guides

Vapor retarder latex primer instead of polyethylene sheet
Air and vapour barriers

Replacing polyethylene vapour barriers with latex paint vapor control

...buildings. This cult is responsible for many more building failures than building successes. It's time that the cult deprogramming started." - Joe Lstiburek, Principal of Building Science Corporation The USA & Canada has many climatic zones, so there is not one building envelope that can possibly serve them a...

Net Zero Homes - Canada's first certified Net Zero House in BC
Green building certifications

The first Net Zero-labelled homes in Canada

...building significantly more energy efficient homes. Building science training is mandatory for participation in the Canadian Home Builders' Association Net Zero Homes Labelling Program. This training introduces the concept of treating the building as an integrated system, the basic principles of building science and ...

The passive solar home in Lac Kenogami, Quebec
Passive solar home design

Ecohome design wins House of the Year Award from Green Builder® Magazine

...building performance - Net Zero Energy - which refers to the ability of a building to produce as much energy as it consumes. Not satisfied with that, they set out to create a building envelope designed specifically for his northern climate, one that could rely exclusively on the sun for its heating needs. Net Zero En...

Multi Unit Passive House design Vancouver Island BC
Passive House

The North Park Passive House on Vancouver Island, BC

...building envelope or the acoustical separation of the units. Given the quiet indoor atmosphere of a Passive House, extra measures were taken in minimizing sound transfer in internal walls between suites . Mineral wool acoustical insulation was used between floors in conjunction with concrete floor topping, plus resilie...

Prefab frost-protected shallow foundation insulated form kit
Slab on Grade

Raft slabs - How to build Insulated Frost Protected shallow foundations (FPSF) on problem soils

...building envelope will act as a thermal battery by storing and releasing heat , which helps balance temperatures in both summer and winter. Such quantities of heated thermal mass inside the building envelope also provides heat security in the event of a power outage, by slowly releasing its heat over the course of da...

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

...building & renovations for max wall insulation A Larsen Truss is a type of lightweight & non structural double-stud 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 doubl...

The birthplace of Passive House solar home design The Saskatchewan Conservation
Passive solar home design

Saskatchewan: The birthplace of Passive House and passive solar home design

...building code is harming homes The National Building Code goes to great lengths to ensure the structures we build are solid , and engineered to withstand snow loads and other natural forces. A modern society would accept nothing less. You can safely assume that if a building meets code, no additional structural reinf...

The Otis mobile tiny house
Tiny house

The Tiny House Movement may have gotten tinier with the arrival of Otis

...building envelope systems. Kellin Banks was charged with managing the water systems. “How to turn something that most people don’t want to think about into a valuable resource--that was an interesting challenge,” she said. Images and video by Eric Hudiburg A note from Ecohome: We o...

The difference between air barriers and vapour barriers
Air and vapour barriers

The Difference between air barriers and vapor barriers

...Building practices should always be determined by the climate in which you are building. How water vapor travels: There are two main ways moisture will pass through your walls that you should be concerned about — air leakage and vapour diffusion. These are two completely different things, with two completely separa...

LEED Platinum home certification FAQ
LEED Homes

LEED Certification for Homes - Frequently Asked Questions

...building, you can search for environmental consultants specializing in residential building. The Ecohome website also has a free green home building guide that will offer information on sustainable building products and techniques, and we offer green building courses as well. Are there any special mortgage or insuran...

net zero energy home
Off-grid and Net-Zero Housing

Natural Resources Canada launches net zero energy pilot project

...envelope requirements of the 2014 R-2000 Standard will be applied in order to ensure the envelope and other long-term elements are well addressed before renewable energy technologies are used to reduce conventional energy use. Non-R-2000 builders can enter the pilot by using this process and this house to become R-2000...