Concrete slab / Guides

Basement wall insulation
Insulation and soundproofing

Properly insulating basements and concrete slab floors

...Slab on Grade , in the EcoHome best practice for building Foundations & Basements guide section you will find the basics on foundation , basement & slab design , under slab insulation , site selection & preparation, excavation, drainage & radon gas prevention and mitigation . Technical edit and thermal images by Deni...

Radon and vapour barrier below slab on grade floor
Healthy indoor air quality

Vapour / radon barriers below slab floors

...SLAB ON GRADE FOUNDATION CONSTRUCTION Polyethylene barriers below slab floors serve two purposes - to prevent moisture from wicking into concrete and disbursing it into homes, also to create a radon barrier. Radon gas occurs naturally in the soil, a result of decomposing uranium in the ground. So it's everywhere, b...

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

Insulating below slab-on-grade floors

...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 floors, making that ab...

Slab on Grade

Finishing the exterior of an insulated slab-on-grade floor

...slab exterior. To learn more about Slab on Grade foundations enjoy the EcoHome Video Guide for a Slab on Grade Foundation with Solar Powered Radiant Heating , or discover many more articles about Design, Insulation, Forming, Heating & Pouring of Slab on Grade by Clicking HERE or join the debate about which insulation...

Prefab frost-protected shallow foundation insulated form kit
Slab on Grade

Raft slabs - How to build Insulated Frost Protected shallow foundations (FPSF) on problem soils

...slab images courtesy of Legalett . Compacting gravel for under a raft foundation Insulated slab forming systems Corner detail for insulated slab forming system Skirt detail for frost protected shallow foundation slab forms Rebar detailing for slab foundations Slab-on-grade floors are oft...

Crawl Spaces or Slab on Grade Foundations?
Foundations and Basements

Slab on grade or crawlspaces, which is better?

...concrete into it. So, there are more materials, more stages of construction and more labour with a crawlspace than a slab. Passive House slab on grade form kit ready to pour concrete © Ecohome The drawbacks of building on a slab on grade: Building your home on a slab on grade means you will have no basement...

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...

Patio stones with very low greenhouse gas emissions
Concrete and masonry

Reducing emissions with CO² cured-concrete

...concrete also hardens in less than 24 hours compared to conventional concrete, which takes several days to sufficiently harden. Low-emission concrete blocks © Solidia Technologies® The end result is a 70% reduction in the total ecological footprint of conventional concrete, including 6...

Polished concrete floors and counters
Paints, finishes and natural coatings

Finishing concrete floors with silicate densifiers

...concrete slab on grade makes a perfect thermal battery for solar heat . Sealing concrete floors: Raw concrete is very porous and will have a lot of tiny, interconnected air pockets in it that will absorb moisture and other contaminants, and stain easily. It will also endlessly release dust into the air through any ...

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...

Low Carbon Concrete - Lowering the Carbon Footprint of Eco Homes
Concrete and masonry

Low-carbon concrete by CarbonCure Canada - lowering the carbon footprint of buildings

...concrete in it? it’s not impossible to build a home without concrete as you could rest a home on screw piles, but you really don’t see that very often. Almost every home in North America is either seated on a concrete foundation and basement, or a concrete slab on grade foundation . A very large percentage of the total...