Insulating slab floors / Guides

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...

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...

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

...slab-on-grade ) that are heated with air rather than liquid. There are many advantages to air-heated radiant floors over hydronic radiant floors , but none greater than the ability to inject solar-heated air into the thermal battery which is the concrete slab floor. Passive Solar air-heated radiant floor slab on gr...

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

...slab designs. This page is about how to build a thickened edge concrete slab on grade FPSF footing on soil with a high water table to prevent frost heave, by first installing drainage below the slab. Related slab on grade foundation pages: Slab-on-grade technical guide Building a thickened edge slab on grade wi...

Slab-on-grade construction technical guide
Slab on Grade

Slab-on-grade technical guide

...slab-on-grade waiting for vapour barrier installation © Ecohome Floating slab / Monolithic slab: The term floating slab refers to a two-stage slab construction, where footings are individually poured, and the centre floor of the slab is poured after footings have cured. The forms of a monolithic slab are design...

Slab on grade or a foundation and basement?
Foundation choices

Slab-on-grade vs foundation and crawlspace or basement

...slab-on-grade construction Slab-on-Grade Construction is best if: Slab on grade polished concrete floor © Bala Structures A slab floor is a fantastic way to start a passive solar home , as your entire floor surface consists of several inches of thermal mass to absorb heat. A slab is a great place to bury elec...

Insulated Radiant Floor ICF Foam Forms Heated with Air
Delivery: radiant, forced-air and decentralized

Air-heated radiant floor slab foam forming systems

...floors with electric wires and this is often the most affordable after-market solution for happier feet. Even in new homes with forced-air heating, electrically-heated mats are sometimes installed below the tiles in bathroom floors for added comfort. What you don’t see a lot of, are floors heated with air. ...

How to insulate basements properly
Insulation and soundproofing

Best practices for basement insulation in new home construction

...Slab floors: A large portion of heat is lost to poorly insulated basements, including below slab floors. The optimum levels of insulation below slabs varies by region and climate, but also by individual building site and soil conditions. To save both money and energy, we recommend a minimum of R20 under slabs in most...

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?

...Slab-on-grade: New super-insulated slab-on-grade foundations are our favourite way to build, but old ones that are not properly built can be difficult and expensive to upgrade. Houses built on slabs are a fairly new concept so there are not that many out there done poorly, but they do exist. A minimally-insulated concr...

Crawlspace radon barrier installation for radon mitigation
Radon in Homes - Mitigation

Removing radon gas from basements and crawlspaces

...slab depressurization. If you have extremely high levels and the HRV isn’t sufficient and you also are not able to do sub-slab depressurization, you can pour an additional concrete slab on top of the existing floor or even consider a sidewall mounted self contained radon removal system . The intention for pouring an ...

How much is Too Much Insulation in my Attic or Walls?
Insulation and soundproofing

How much insulation is too much in attics and walls?

...insulating homes and start planning to add heat, or risk spending money and embodied energy in materials that simply will not be recouped in a reasonable time period or over the life of the house. That is to say, there is a balancing point where generating heat is actually better for the environment than buying and i...