What is an R value / Guides

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

Basement renovations: How to prevent mold when finishing basements

...rious structural problems or plan to excavate for other reasons, that can be an enormous extra cost for an interior renovation project. It is much more affordab...

Dense-packed cellulose wall insulation
Wall assemblies - new construction

Dense-packed cellulose insulation wall systems

...r risk of moisture damage than some other materials if not handled and installed properly. But this can be said of many components of a home, and rather than di...

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

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

...ant a more traditional exterior look. Interior walls are straight and true, and require only mudding as any gypsum board wall would. And now for the best part...

Installing foam panel insulation, which is best?
Insulation and soundproofing

Rigid insulation panels: which ones to use for different applications

...ral wool is rated at about R 4, it is unharmed by moisture, it is not a vapour barrier at any thickness, nor is it an air barrier. It also provides better sound...

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

...anaged level of Air Transfer Rate, preferably via an HRV or ERV unit to control the energy losses from essential ventilation . You can read more about Air Perme...

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

...is to be sure not to trap moisture between two vapor barriers . If a home already has a vapor retarder or vapor barrier, it’s important not to add another vapor...

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

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

...and odors. This is consistent with reports from Canada where basements are insulated in a similar manner (Fugler, 2002) and from other researchers in the United...

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

...rmal bridging . The sheathing is used as the air barrier and vapor barrier , by using a high-performance building tape to seal the joints and the Larsen Trusses...

Free Energy Audits, Net Zero Home Grants & Interest Free Home Renovation Loans
Grants and incentives

0% loans & Grants for Green Home Renovations & Construction - A Boost for Canadians in 2020

...an opportunity to try an air barrier spray for sealing air leaks , and we were very impressed with the results. What R value do I need for an attic? With ma...

Passively-heated off-grid LEED house in Low, Quebec
Off-grid and Net-Zero Housing

Off-grid living blog: a firsthand account of building and living in a remote area

...rior has a house wrap weather barrier secured with 1x3 wooden strapping to allow for air circulation and water drainage, on which Hardie brand cement board is m...

Passive Solar Home design at it's best - Kenogami House - EcoHome
Passive solar home design

Ecohome Kenogami House wins Home of the Year Award

...reme northern climates. Air is able to support less and less water vapour the colder it gets, and an ERV extracts that energy rich moisture from interior exha...