condensation-homes / Green Building & Sustainable Home Renovation Information & Advice

Homes built in the last 40 years in Canada are relatively airtight. Before that we generally relied on leaky uninsulated walls to provide fresh air and prevent mold and mildew, and they did that very well. Cost and comfort had us adding insulation, but not necessarily sealing our walls. The folly of this was quickly re...

Top Tips for preparing a home for winter Extremely low temperatures over winter can test your home in many ways, and sometimes your house will return a failing grade. Even brand new homes built to code can see failures of their building envelopes, windows, doors and ventilation systems during winter, a simple failure t...

Before embarking on any structural changes, it is most important to understand that the sound isolation between two homes is not determined only by the common wall or floor. All the other parts of the construction - side walls, ceilings, floors under walls - can transmit sound. Flanking sound transmission (see below), ...

As a precursor to a new post exploring everything you wanted to know about Dry Rot but were afraid to ask, we wanted to cover the causes, effects and solutions for interstitial condensation in walls and roofs. We’ve all heard of condensation, but has anyone ever heard of interstitial condensation? If you haven’t (or ev...

For most of us, purchasing or building a home will be the biggest investment of our lives. This section is about knowing what to look for in new homes to get the best value for your dollar, or what to look for in a building lot for the same reasons. What to look for in a location: Being close to where you work and pla...

1. Hiring an architect: We discussed previously the idea of choosing an architect that specializes in high-performance Eco-friendly home design and can co-ordinate the work. They should be able to help you find general contractors and subcontractors that can help you carry out your work according to plan. This route is...

The first step to controlling sound transmission in buildings is assessing the situation. What kind of noise is it? Noise in buildings is usually assigned to one of three classes: Airborne sound: Sound such as voices, TV or stereo sounds. The source does not strike or vibrate against the structure of the building. Stru...

The classic dilemma when buying a property is whether to buy new, to buy something older but move-in-ready, or to buy a complete fixer-upper? For a first-time homebuyer seeking an eco-friendly home it's even more complicated! This puzzle can feel as baffling as choosing between chocolate, vanilla, or strawberry ice cre...

So what is a smart home? When paired with intelligent and connected home devices, the phones that most of us carry in our pockets can make our homes safer, more comfortable and durable, and reduce our home energy consumption by as much as 30% if carefully configured and specified. Heating systems and lights can be turn...

Future-proofing homes for Climate Change:  Anticipating future climatic challenges and constructing resilient buildings to withstand them should be an important consideration when building any new home - but we're often told that "a Green Home costs more", and too many people then decide in the face of resistance from ...

The difference between air barriers and vapor barriers The job of a vapor barrier is to prevent vapor diffusion, and the job of an air barrier is to stop air leakage through differences in air pressure. A wall system should have one vapor barrier, but can have many air barriers. A vapor barrier can act as a very effect...