Insulating foundations / Guides

Insulating a Slab on grade for a Passive Solar LEED Home with 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...

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....

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...

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...

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...

Solar Radiant Heated Floor Slab Kit
Delivery: radiant, forced-air and decentralized

Solar heated radiant floor with radiant heated hot water for a site with problem soil - expansive clay

EcoHome is in the process of building our next demonstration low-energy house , and to do so we have partnered with a company that manufactures frost-protected shallow foundations (slab-on-grade ) that are heated with air rather than liquid. There are many advantages to air-heated radiant floors over hydronic radiant ...

Slab-on-grade construction technical guide
Slab on Grade

Slab-on-grade technical guide

...foundations prevents concrete from freezing © CMHC Skirt insulation is a very simple and cost-effective solution that could (and should) be applied to basement foundations as well, as it would help reduce heat loss by keeping basement walls at a much higher temperature. In addition to significant cost savin...

Slab on grade or a foundation and basement?
Foundation choices

Slab-on-grade vs foundation and crawlspace or basement

...foundations - pros & cons: For a modest sized home, a concrete foundation will cost you easily between $20,000 and $30,000 . Factor in a subfloor and finished flooring, you’ll be lucky to stay under $40,000. Building basements ‘just because’ invites unnecessary costs, potential humidity problems, and greater environm...

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 ...

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

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

...foundations were allowed to dry completely before interior finishing started and they included all the necessary waterproof membranes on the exterior, interior 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 al...