What is an R value / Guides

Choosing between OSB or Plywood for house sheathing for Roofs, Walls & Floors.
Wood and organic materials

Which is better, OSB or Plywood for Roofs, Walls & Floors?

...r permeability and low water retention, such as mineral fibre." Where to put vapour barriers (CMHC): "Materials that act as vapour barriers (vapour retarder...

How radiant floors work
Delivery: radiant, forced-air and decentralized

How to design for thermal comfort in a home

...any), and reduced radiation loss from your body, so they are more comfortable to be near. Being warmer also means there is less risk of condensation and moistur...

4th generation blowing agents for spray foam
Insulation and soundproofing

New HFO blowing agents for spray foam will make it over 1,000 times less harmful to the climate

...anetary emergency by exacerbating another. Increased cost, but increased performance: According to Honeywell's global sales manager for fluorinated products...

Canada's first LEED V4 Platinum certified home - The Edelweiss House
LEED Homes

Canada's first LEED V4 Platinum house - An EcoHome project checklist

...res and bulbs Interior paints and floor adhesives with zero volatile organic compounds A DIY Green living roof Under-slab high performance radon barrier ...

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...

Earthship in Taos, New Mexico, shame they don't work in cold climates
Concept and design

Do Earthships work in cold climates?

...rator, propane tanks, foam panels and tens of thousands for a solar array and battery backup system. You'll need a lot more than tires, dirt and pop cans. For a...

Thermal image showing where home heat loss is occurring.
Insulation and soundproofing

How insulation works

...RADIATION (in this non-nuclear case) refers to heat transferred through electromagnetic waves, particularly in the infrared spectrum. Heat emanates from any war...

Slab-on-grade for Ecohome's upcoming video building guide
Passive solar home design

how to build a slab-on-grade on standard soil

...Radon gas barrier / vapour barrier For added durability over the commonly used 6-mil polyethylene vapour barrier, we used a 10-mil barrier instead. The added ...

Passive home designer Harold Orr, one of the original high performance homes
Passive solar home design

The principal designer of the house that inspired the global Passivhaus movement reflects on the project that started it all.

...r wall can be used for the structure so that roof trusses and floor joists for upper floors need not span so great a distance. 2. The air / vapour barrier can...

Exterior damp proofing and drainage mat to protect basements from wate
Insulation and soundproofing

Best practices for basement insulation in new home construction

...r barrier primer © Benjamin Moore Interior gypsum board: Latex paint ( or vapour retarder primer ) is recomended as an interior vapour control layer b...