How to build a slab on grade / Guides

Prefab Passive House & LEED Kit Homes for Sale in Ontario & North Eastern US
Concept and design

Prefab Passive House & LEED ready kit homes - the future of buying a new home?

...on a slab on grade form kit from Legalett with 6 inches of seamless insulation under the slab and on the exterior vertical surfaces. As the ground beneath this prefab kit house is expansive clay, a raft slab-on-grade design with solar radiant heating was chosen to avoid the costly process of soil remediation that would...

Insulating crawlspaces as part of home renovation
Crawl spaces

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

...ant a full basement, a great alternative is to build a slab-on-grade . Important note: The following crawlspace solutions are recommendations for how to deal with moisture and heat loss only, and provide only an anecdotal overview of how to deal with radon gas . We would recommend having your air tested for radon, an...

Preventing radon gas in homes starts with testing for radon - the only sure way
Radon in Homes - Mitigation

Radon Gas Awareness - Up to 10% of North American homes tested have unsafe radon levels

...a basement instead of a slab-on-grade foundation can also lead to the increased possibility of exposure to radon gas radiation, another reason where possible to build on an insulated slab foundation. In the USA the EPA recommends that homeowners should take radon mitigation measures if the radon concentration exceeds...

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

...America is either seated on a concrete foundation and basement, or a concrete slab on grade foundation . A very large percentage of the total lifecycle carbon emissions of a home is due to the foundation, so cleaning that up would greatly reduce the total greenhouse gas emissions (GHGs) of a home. Carbon sequestering...

Choosing a building envelope
Wall assemblies - new construction

Choosing a building envelope - starting with the perfect wall

...ation. The advantages are speed of installation, and a factory precision that is hard to match onsite. Building codes and a general trend towards smarter building practices has seen some serious leaps forward in the quality offered by pre-fab manufacturers, including high R-value walls and breaking thermal bridging. ...

Canada's first LEED V4 Platinum certified home - The Edelweiss House
LEED Homes

Canada's first LEED V4 Platinum house - An EcoHome project checklist

...ample, one new aspect was to include a credit category for Location & Transportation, placing more emphasis and attention on reducing main contributors to global warming: transportation. The Location & Transportation category includes strategies to reduce costs, pollution and resource depletion related to daily commute...

Passively-heated off-grid LEED house in Low, Quebec
Off-grid and Net-Zero Housing

Off-grid living blog: a firsthand account of building and living in a remote area

...a poor insulator compared to the insulation it holds in place). Finally, the exterior has a house wrap weather barrier secured with 1x3 wooden strapping to allow for air circulation and water drainage, on which Hardie brand cement board is mounted. Altogether these walls are a nominal R-47. For the below grade wall...

Passively-heated off-grid LEED Gold home
Off-grid and Net-Zero Housing

Off-grid living blog part 6 - energy modeling projections and real performance

...on of the building's size, orientation, insulation, electrical appliances, etc. Using all of this disparate information and applying some standard assumptions about how a typical family uses a home (e.g., amount of hot showers, thermostat temperature, etc.), energy modellers are able to put together estimates of tota...

Prefab LEED Passive House Kit Homes the Future of House Building?
Passive House

Prefab Passive House & LEED ready kit homes - the future of home building?

...Architects & Kit home manufacturers, have launched a series of Canadian Manufactured stylish & affordable, prefabricated sustainable green kit homes that are able to meet Passive House certification standards in North America and attain LEED V4 Platinum Certification in cold climates like Ontario, New York, Vermont, Ma...

Ecohome's Kenogami House 'The Most Resilient Home in North America'
Concept and design

Resilient design features for new home construction

...on by as much as 2/3rds compared to a conventional wood stove. Solar thermal panels powered by photovoltaics: pumps and fans for hydronic solar panels (liquid) or air solar thermal panels or even air solar heated floor slabs can be powered by a small photovoltaic panel . Heated concrete floors are a great way to stor...

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

...to be a low carbon alternative concrete like this Canadian invention . One important design feature that can lead to a dramatic reduction in the carbon footprint of a home is with the foundation, and whether you build above grade or below grade; we chose above. Choosing a slab on grade instead of a basement leads to ...