Walls and Roofs

The structure and design of a building envelope will determine how much it costs to heat and cool your home, and how long it will last. This section contains information about wall designs that will protect your home against the elements, and create an enjoyable indoor environment that is healthy, comfortable and durable.

How to Insulate Exterior Walls from the Outside US Canada Ecohome
Walls and Roofs

The easiest way to insulate walls from the exterior in older homes

Fitting extra insulation to an older home when renovating can be a great idea, but when insulating exterior walls from the outside take care to do it right. Ecohome investigates the easiest ways to retro-fit insulation to walls.… How to insulate house walls from the outside Adding extra insulation to the exterior wall…

Condensation on windows in our homes - why is it there? - how to stop it?
Walls and Roofs

Condensation on windows is a pain but is it a problem & how to stop it?

Condensation on windows is a pain in winter and runs down the wall can mean hidden issues in our homes - What causes fogged up windows, how big a problem is it and, most importantly, how do we stop it?… Condensation on Windows – Is it Bad? It’s that time of year when condensation on windows becomes a pain, we wake up…

Natural Building Insulation Made of Grass - Eco-friendly, Green
Insulation and soundproofing

Non-toxic natural building insulation made of grass

Natural insulation materials such as hemp insulation, cellulose (including grass based), wood fiber, straw and cotton act as carbon storage and reduce embodied energy and carbon footprint of homes & buildings.… Natural building insulation materials In order to combat the climate change impact of the built environment,…

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?

A blower door test identifies air leakage in a home; you can find and fix those air leaks for a more airtight, mold & rot-free and energy-efficient sustainable green home.… What is a blower door test? Blower door tests are becoming part of many State and Provincial mandatory building codes - the new BC Energy Step Cod…

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

Larsen truss wall systems are ideal for improving wall insulation when renovating homes & for building new homes with high performance insulation systems & double-stud walls… Larson truss wall systems for new green home building & renovations for max wall insulation A Larsen Truss is a type of lightweight & non struct…

Air and vapour barriers

Aerobarrier home and attic air-sealing spray

Aerobarrier is a non-toxic acrylic spray that quickly and affordably seals air leaks in attics and homes… We cannot overstate the importance of airtightness in homes and attic rooms. A proper air barrier reduces heat loss in winter, overheating in summer, and prevents moisture build up in walls which can lead to mould…

Hemp insulation products for USA & Canada rolling off the production line
Insulation and soundproofing

Hemp insulation in Canada & USA - insulating naturally is an Eco-friendly alternative

A new manufacturer of hemp insulation products sets up shop in Quebec - Hemp being a great Green Building alternative to traditional insulation materials… Hemp insulation manufactured in Canada! Nature Fibres is a young company based in the town of Asbestos, Quebec, which began manufacturing hemp insulation in the win…

Carpenter ants are a common pest and nuisance to get rid of in homes
Pest control

Removing insects and rodents from your home, safely & humanely (by preference)

Solutions for preventing and eliminating some common pests and insects safely & humanely (if possible).… Insects & Rodents, how to show them the door... Below is a list of some of the more common rodents and insects that invade homes, and some ideas on how to rid yourself of the offending guests. We would certainly ad…

Renovate, Remodel or Rebuild? How to choose which is Best for Homes
Wall assemblies - renovation

Should I be renovating my home or tearing it down & rebuilding?

Whether a house is worth rebuilding or is better torn down depends on a lot of factors, many of them personal, but also financial considerations like grants, sustainability & current condition of the building structure… Should I Renovate, Remodel or Rebuild? This very question comes up a lot for me during site consult…

4th generation blowing agents for spray foam
Insulation and soundproofing

New HFO blowing agents for spray foam will make it over 1,000 times less harmful to the climate

Foam blowing agents long ago stopped harming ozone, that switch had a huge impact on climate. That problem has now been solved.… New blowing agents for spray foam coming by the end of 2017 Foam insulation is a petroleum-based product and nothing will change that. But that was never the biggest problem the 'eco' buildi…

Shou sugi ban carbonized wood siding
Exterior cladding

Shou sugi ban carbonized wood siding from Japan, what is it & how to make it?

Shou sugi ban burnt wood exterior cladding is naturally made, very durable & originated as a Japanese wood finish for homes revealing the beauty of the natural preserved timber… What is Shou sugi ban siding? © Resawn Timber Co. Shou sugi ban is an ancient Japanese carbonized wood finish created by burning the surfac…