Insulating concrete slab floors / 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...

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...

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...

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

Air-heated radiant floor slab foam forming systems

...concrete floors now because they provide a very balanced and comfortable distribution of heat. Those systems are most commonly hydronic, meaning heated liquid is pumped through tubing in the concrete which then radiates that heat into the house. Hydronic radiant tubing for a slab-on-grade floor ...

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?

...concrete floor on top makes more sense. Voila, you now have a slab-on-grade foundation . You can then have either have a beautifully sealed and polished concrete floor or install eco-friendly hardwood flooring on top of the concrete if you prefer. Crawlspace renovation by filling with reclaimed rigid foam EPS panel...

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

Removing radon gas from basements and crawlspaces

...slab depressurization. Most newer homes would have a vapour barrier below the slab, though likely not well-sealed. Some homes will have none, but in either case, concrete in fairly good condition should provide enough of an air barrier to contain radon below it. A contractor will drill two small test holes in the con...

Zero Carbon Homes - The S1600 Prefab Eco Home is affordably Close
Planning and Design

Zero Carbon Homes - The S1600 Prefab Eco Home gets affordably Close

...slab-on-grade floor. Unlike most radiant floors where heated liquid is passed through tubing in the concrete, this is an air-heated radiant floor which has 4-inch tubes that circulate hot air to warm the concrete. Solar air-heated radiant floor insulating forms details Important note – this is not a feature t...

Roxul mineral wool batt insulation in LEED Homes
Insulation and soundproofing

Choosing the right insulation: the pros, cons and applications for walls, slabs & basements

...concrete basement floor as insulation. I say this because it has been used for this purpose, and is completely ineffective. It would do no harm and still work as a vapour barrier, but it is a waste of money buried in concrete. See our pages on the best amount of basement slab insulation for more on how best to stay war...