Building science / Guides

Siding Choices - Board and batten siding
Exterior cladding

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

...Building science basics: how to design durable walls From the EcoHome Green Building Guides - in North America's favorite Sustainable Construction website... EcoHome.net

Why basements flood and how to prevent that with a sump pump
Basements improvements

Why Basements Flood & How to Prevent Flooded Basements

...building, renovating and finishing basements - they are not, and cannot be made, completely waterproof. So the smart money would be betting that at some point, water will win and your basement will flood to at least some small degree. I once heard an amusing anectdote from building science basement expert Professor J...

Gas powered tankless water heaters
Plumbing and water heaters

Are tankless water heaters good?

...building guide pages of Ecohome, North America's online source for Green building guidance. Information for this article was compiled from the following sources: “ Le chauffe-eau instantané ” published by Écohabitation “ Designs that Work – Cold Climate House Design Recommendations ”, by Building Science Corpor...

Radon Mitigation - Installing a radon evacuation stack in a slab floor
Radon in Homes - Mitigation

Mitigating radon gas in homes

...building homes far more airtight than in previous decades for reasons of durability (condensation in wall assemblies), and also for energy efficiency, as air leakage used to account for about 1/3 the total heat loss of a home. The lack of fresh air leaking in and out when building green homes means radon now collects i...

Exterior damp proofing and drainage mat to protect basements from wate
Insulation and soundproofing

Best practices for basement insulation in new home construction

...Building Guides Further reading: Fine home building: Built Wrong From the Start Building Science Corporation: Basement Insulation Systems

Better Basement Design on basement walls prevents mold and midlew
Healthy indoor air quality

Basement renovations: How to prevent mold when finishing basements

...building and its furnishings. If left unchecked, mold eventually can cause structural damage to building materials and can cause health problems - that's why we don't want mold in our basements! Specifically we can prevent damage to buildings and building contents in the basement areas, save money and avoid these pot...

Built to ENDURE: the Net Zero Heat Kenogami House
Efficient home design

The Kenogami House: designed to ENDURE

...building must be designed for quality of life, taking care to ensure comfort, atmosphere and aesthetics Energy efficient: As heating and cooling are most often the largest components of the total energy consumption of a building, how energy efficient a building is largely depends on the buil...

Roxul mineral wool batt insulation in LEED Homes
Insulation and soundproofing

Choosing the right insulation: the pros, cons and applications for walls, slabs & basements

...building materials to do for you when they are part of a wall assembly. If you have a working knowledge of building science then forge ahead, if not, check out this video about high-performance wall construction and insulation first to learn the basics. Understanding the physics behind how walls work is the key to de...

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

...building surface. Building sites with poor soil conditions (disturbed soil, expansive soils, low-bearing capacity, high water tables, etc.) may require significant investment in drainage, soil replacement and compaction before an engineer will approve a project. The photos below are images of drainage measures that...

Air barriers are essential to a properly functioning wall system
Air and vapour barriers

What is an air barrier?

...building enclosures that are less forgiving than the air barrier. Where to install an air barrier: A building envelope should only ever have one vapour barrier, and it goes on the warm side of the insulation. Air barriers on the other hand, can be anywhere in the wall assembly and as plentiful as you like. It is hi...

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

The Difference between air barriers and vapor barriers

...Building practices should always be determined by the climate in which you are building. How water vapor travels: There are two main ways moisture will pass through your walls that you should be concerned about — air leakage and vapour diffusion. These are two completely different things, with two completely separa...