Insulation / Guides

Crawl Spaces or Slab on Grade Foundations?
Crawl spaces

Should I Build on a Slab on Grade Foundation or a Crawl Space?

...insulation if there is no food source to attact them, so always build homes with durability strategies. If termites DO eat into your foam foundation, it would likely take an infestation of biblical proportions to remove enough insulation to cause a structural issue or any significant heat loss. So if an apocalyptic inv...

R values and insulation performance
Efficient home design

Understanding thermal performance

...insulation combinations to minimize building energy consumption, though increased insulation will probably be the best option in most cases. The Big Picture: Energy While insulation R-values are important, what really matters is energy consumption. To assess the impact of different roof insulation types on whole bu...

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

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

...insulation means the temperature of the concrete will be determined by the temperature of the ground or air outside. With some types of insulation this can allow warm, moist air to condense on the cold concrete. Having no insulation at all does not eliminate these issues; you are also at risk, just not to the same ex...

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

Net Zero Energy house in Edmonton, Alberta

...insulation value of R-56. Foundations: All three foundations will be constructed using I CF blocks with an additional interior wall for extra insulation. The result is a foundation with an R-40 insulation value. Windows: Triple pane windows containing two coats of low e film, argon gas filled glazing with ins...

Naugler House: the most energy efficient Passive House design in New Brunswick
Efficient home design

New Brunswick's most energy efficient home is Passive House designed

...insulation , designed by Southern Exposure, provides a thermal bridge-free building envelope that is fast to assemble with minimal work on staging. It keeps the insulation in the same plane as the foundation insulation. Interior face of the Larsen truss wall finished with 7/16’’ oriented strand board [OSB] taped and ...

Slab on grade for a Passive Solar LEED Home insulated by Rockwool © Ecohome
Insulation and soundproofing

Insulating below slab-on-grade floors

...insulation to use under a slab , It is common to install as little as R5 insulation below slab floors, making that about the weakest point in a building envelope, as walls are generally at least R20 and ceilings R40. There is a misconception that heat rises (hot air rises, but heat travels evenly in all directions) so ...

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?

...insulation. You may lose a couple of inches of interior space, but that space would be more comfortable and you will get a much better return on your insulation investment. Insulation between metal studs: Metal studs are becoming more commonplace in residential construction, and not always with great results. Some ...

7 Principles of a super abundant, solar, year round greenhouse
Greenhouses and Sunrooms / Solariums

7 key principles for an abundant greenhouse

...insulation underground. This also connects the greenhouse to the thermal mass of the soil underground, which you can use to heat and cool the greenhouse via a Ground to Air Heat Transfer system. Learn how to insulate your foundation here . Foundation skirt insulation © Bang On Photography 4 ...

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

Building science for LEED v4 wall design made easy - video

...insulation is installed outside of that. Stud cavities are still insulated with batts, but the majority of insulation is on the outside of the sheathing, this way the vapour control layer is sandwiched between layers of insulation where it can perform best in a wildly varying climate like we have in Canada. There a...

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.

...insulation: This is really easy - all you have to do is use high heel trusses for the roof and insulation stops at the eaves and you need to then blow lots of insulation into the attic. All blown insulations create static electricity so the individual particles repel each other and are nice and fluffy when blown bu...