Efficient wall / Guides

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

...wall, and finally the slab floor. Rarely are footings insulated, and depending on how the walls are insulated, the result can be a thermal bridge between the footing and walls or floor. This brings unwanted heat loss, as well as a greater risk of condensation forming on those colder portions of concrete. Alternativel...

How to choose Triple pane, high performance windows
Windows and doors

Our top tips for buying high-performance windows

...walls which are insulated to R50. If that house was fitted with just one 3 foot by 3 foot window with an R-value of only 1, the overall R-value of all of the walls combined would drop to R40, even though the poor-performing window occupies only 0.5% of the total wall area. If the house actually had two such windows, ...

Blower Door Tests - What's the Cost & Who Does Them?
Air and vapour barriers

What is a blower door test? What's the cost? How do you find a company to do one?

...wall assembly, it can condense and deposit moisture in your walls. Moisture means rot and mold, rotten and moldy walls means home renovations are needed, and that means open up your wallet. Nothing good ever comes from warm air leaking out of a building in winter. Nothing. Some older-school builders who aren’t up to ...

The difference between air barriers and vapour barriers
Air and vapour barriers

The Difference between air barriers and vapor barriers

...walls, it contracts and squeezes out the moisture, leaving you with condensation. In order to prevent condensation from forming, a vapor barrier should be placed on the warm side of your insulation to stop warm, moist air from condensing on a cold surface inside your wall. In cold climates like Canada, for most of ...

Siding Choices - Board and batten siding
Exterior cladding

Choosing the right exterior siding for fitting, cost comparisons & appearance

...wall finishes: Very expensive - "If you have to ask..." Expected Lifespan of brick wall finishes: longer than yours! Stucco wall finishes Stucco Wall Finish © Yanni Milon Stucco refers to a thin coating of troweled or sprayed on cementituous surface finish that is applied to exterior w...

Passive home designer Harold Orr, one of the original high performance homes
Passive solar home design

The principal designer of the house that inspired the global Passivhaus movement reflects on the project that started it all.

...walls. So the wall becomes expensive very quickly. Third you can insulate the wall, install the air / vapour barrier, then strap the wall on the inside with 2x3's. The problem with this is that 2x3's are the same price as 2x4's, and strapping the wall horizontally is more labour intensive than building a double wall....

How radiant floors work
Delivery: radiant, forced-air and decentralized

How to design for thermal comfort in a home

...wall assemblies. Air leakage causes uncomfortable drafts , but it also allows moisture to pass through walls and condense on cold surfaces inside the walls. Airtight homes are more thermally comfortable, more durable and they cost less to operate. Floors are the contact point between us and our house, so additional...

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

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

...walls Lightweight synthetic gypsum drywall with high recycled content Mineral-wool insulation , including the insulation used under the slab LED lighting fixtures and bulbs Interior paints and floor adhesives with zero volatile organic compounds A DIY Green living roof Under-slab high performance radon barr...

BC Energy Step Codes - Builder Design Guide &  Requirements explained
Building codes

The new BC energy step code: builder design guide & requirements explained - Vancouver

The new BC Energy Step Code - The details The BC Energy Step Code is a new provincial standard intended to provide an incremental approach to achieving more energy-efficient buildings that will help the province meet its goal of having all new buildings be Net Zero Energy ready by the year 2032. The City of Vancouve...

Keyhole Garden
Landscaping

The Keyhole Garden: An Introduction

...efficient way to produce food because they eliminate the wasted space created by paths found in both traditional row gardening and raised bed gardens. They also create a healthy, rich soil that delivers maximum nutrients to your plants. The efficiency of the keyhole garden is also supported by their natural resistanc...

Affordable green prefab homes - contemporary rancher style - Abri 1850 BV
Architecture and plan design

Prefab Homes for Sale - Beautiful & Sustainable - Available Now

...wall, these generous storage areas allow the whole families' posessions to be neatly stored away. This high performance prefab green home has a triple-glazed window along 36' of wall © Studio MMA As an option, this prefabricated home can be customized to the preferences of the client and delivered in turnkey sp...