ICF homes / Guides

How to Build With Less Wood for Best Performance
Wood and organic materials

How to build high performance homes with less lumber

...ICF walls are now as affordable as wood There is a lot about ICF (Insulated Concrete Form) walls we don’t love, but there is a lot of good as well. First what we do like – they just work great in certain applications. A basement built with ICF won’t go moldy like standard basements do. If you opt to seat an ICF wall ...

Midori Uchi
Efficient home design

A new contender for the title of Canada's Greenest Home

...homes once completed in 2013." "Midori Uchi", which means "green home" in Japanese, will be a contemporary 3,100 square foot single family residence in North Vancouver's Central Lonsdale area. The goal for the project is to exceed the highest LEED for homes platinum rating in the country. The intent is also to achi...

Choosing a building envelope
Wall assemblies - new construction

Choosing a building envelope - starting with the perfect wall

...ICF - Insulated Concrete Forms: ICF block diagram courtesy Fox Blocks This is a system of polystyrene blocks that are stacked and filled with concrete to form the entire wall system of your home. Building with ICF blocks is great for reducing sound transmission and stopping the infiltration of air, insects an...

Passive House wall system ; Larsen Trusses & dense-packed cellulose insulation
Wall assemblies - new construction

Larsen truss wall systems with double-stud construction & extra insulation for new homes & energy efficient home renovation

...homes are built on a raft-slab ‘ slab on grade ICF Forming kit ’ with 12 inches of EPS foam insulation John Hodges' Passive House with Larsen Trusses © Ecohome Exterior insulation for home renovations: Beyond new home construction, using the Larsen Truss wall Design can also be a great way to do an energy-eff...

Wildfire Smoke & How to Keep it Outside Homes
Healthy indoor air quality

How to keep wildfire smoke out of Green Homes with mechanical ventilation systems?

...ICF homes in California wildfire zones. To read more about ventilation in Green homes see here , or specifically everything about HRV & ERV systems see here , and to learn why it's a bad idea to put central air conditioning in modern homes with a vapor barrier, see here - from the EcoHome Green Building Guides W...

Concrete, wood and steel structures compared - Timber Frame wins!
Materials and resources

How wood structures compare to steel and concrete for Carbon Footprint

...Homes Is OSB or Plywood Better for Roofs, Walls & Floors? Which Building Envelope Material is Best? Wood, Steel, Concrete, Straw Bale? Sources: Sustainability and life cycle analysis of residential structures Timber vs concrete and steel structures Building Green: environmental product declaration (EPD)...

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

...Homes , ZNE, PNE, LEED & Passive House projects . If you are interested in getting a quote for a Legalett air heated slab floor forming system, see here . Passive Solar radiant air-heated floor slab on grade form kit ductwork © Ecohome Generating solar domestic hot water when heating is not required also serv...

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

Air-heated radiant floor slab foam forming systems

...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. Electric wire radiant floor heating © Ecohome How to make air-heated floors work: Since the f...