ICF / Guides

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

Air-heated radiant floor slab foam forming systems

Radiant heating systems are very common in 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. Hydron...

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

...ICF foundation wall. This provides a continuous layer of insulation separating the concrete from the ground. The result is a very comfortable and energy efficient basement, with no thermal bridging and reduced risk of mold. Basement mockup with raft slab and ICF wall courtesy of Treehugger Mockup of a raft sl...

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

...ICF foundations Solar thermal Solar PV In-home energy monitoring and tracking Concrete made from recycled building waste Reclaimed lumber and building materials Naikoon Contracting Ltd. is an award winning design-build company specializing in green residential projects. Founded 32 years ago, Naikoon Contr...

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...

Insulating a Slab on grade for a Passive Solar LEED Home with Rockwool © Ecohome
Insulation and soundproofing

Insulating below slab-on-grade floors

...ICF form kits, how to build them, what are the advantages?

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

...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-efficiency home retrofit , as you can mount them t...

Multi Unit Passive House design Vancouver Island BC
Passive House

The North Park Passive House on Vancouver Island, BC

...ICF foundation and EPS insulation under slab , mineral wool and cellulose insulation. Exterior window shades, and PV array on roof . The high performance HRV is a Zehnder Novus 300, High performance windows are made by EuroLine . Multi-family Passive House project on Vancouver Island BC ...

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...

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

EcoHome is in the process of building our next demonstration low-energy house , and to do so we have partnered with a company that manufactures frost-protected shallow foundations (slab-on-grade ) that are heated with air rather than liquid. There are many advantages to air-heated radiant floors over hydronic radiant ...

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

How wood structures compare to steel and concrete for Carbon Footprint

Wood, steel and concrete each have specific structural advantages , each with their own characteristics. The following is a life-cycle comparison conducted by the Athena Sustainable Materials Institute (ASMI) of the materials only, and does not include any considerations of how they each affect thermal performance, va...