Insulating foundation walls / Guides

Basement wall insulation
Insulation and soundproofing

Properly insulating basements and concrete slab floors

...Insulating a basement is a great idea if it wasn't insulated when built , as before we began insulating foundation walls and below slabs (see slab on grade) , it was generally estimated that basement heat loss accounted for about 1/3 of the total heat loss of a house. It is likely that such an abysmal starting place ma...

How to insulate basements properly
Insulation and soundproofing

Best practices for basement insulation in new home construction

...insulating the exterior of basement walls we consume less interior space and prevent exposing walls to the seasonal freeze/thaw cycle known as 'thermal shock' that can cause the cracking of foundations. Insulating basement interiors rather than exteriors can be the cheaper option were you to choose just one, particul...

Slab on grade or a foundation and basement?
Foundation choices

Slab-on-grade vs foundation and crawlspace or basement

...walls are dry. Allow 2 years for concrete to shed excess moisture. All walls need to breath in one direction and since the exterior foundation walls are buried in wet ground, they must breathe to the inside. A vapour barrier prevents that from happening and you will inevitably trap moisture inside your walls. Depen...

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

Insulating below slab-on-grade floors

...Insulating below slab-on-grade foundations Why insulate under a slab on grade foundation? For comfort, and to save money, that's why! In many areas Building Code has fallen behind common sense on what specification of insulation to use under a slab , It is common to install as little as R5 insulation below slab floor...

Slab-on-grade construction technical guide
Slab on Grade

Slab-on-grade technical guide

...foundation walls with above-ground walls. In other words, you are replacing concrete walls with a much more affordable and energy efficient wall assembly. This is why Slab-on-Grade foundations are frequently chosen for Passive House certification in North America , Passive Solar Homes & LEED certified homes. ...

Renovate, Remodel or Rebuild? How to choose which is Best for Homes
Wall assemblies - renovation

Should I be renovating my home or tearing it down & rebuilding?

...foundations & insulating from the exterior when renovating an old home © Ecohome Cinderblock, stone or cracked concrete foundation renovations: Before renovating or insulating, determine first that foundations can safely continue to support a structure long into the future . A foundation that isn’t badly deterior...

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

Net Zero Energy house in Edmonton, Alberta

...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 insulating spacers between panes....

Insulating crawlspaces as part of home renovation
Crawl spaces

How to insulate crawlspaces properly as part of renovating an older home

...walls behind the studs and into the cavities, you can leave enough room to do any wiring if required. Spray foam insulating basement walls © Bala Structures The foam needs to then be covered with drywall as fire protection, which can be attached to the stud wall. No vapour barrier is required in addition to spr...

Step by step guide for slab-on-grade home construction
Slab on Grade

Slab-on-grade construction: the ecoHOME A to Z Slab building guide

...foundations through Code. Frost Protected Shallow Foundation or FPSF insulation design details for slab on grade Slab-on-grade step by step Instructions for problem expansive soils and high water tables EXCAVATION for Slab on Grade foundation: Hire an engineer to establish how to seat the footing for the ...

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

7 key principles for an abundant greenhouse

...foundation. Heat can escape through the floor just as it does through the walls and roof. For that reason, it's extremely important to insulate around the perimeter of the greenhouse . You can do this by insulating around your foundation, or simply installing perimeter insulation underground. This also connects the g...

Frost Heave Prevention Helps Stop Frost Heaving Breaking up Home Foundations
New foundations and slab-on-grade

What causes Frost Heave? Preventing frost heaving is down to good foundation design

...insulating basements and engineering slab on grade foundations for homes not only prevents foundations from cracking, it also reduces energy consumption and global CO² emissions. The negative environmental aspects of concrete use can be mitigated by good engineering to use finite quantities based on structural need, an...