Building science / Guides

Building science for LEED v4 wall design made easy
Concept and design

Building science for LEED v4 wall design made easy - video

...Building Science The wall we designed for the Edelweiss house, Canada's first LEED Platinum V4 Home is best categorized as a 'REMOTE' wall, a high performance building envelope developed by the Cold Climate Housing Research Centre in Alaska. REMOTE stands for 'Residential Exterior Membrane Outside-insulation TEch...

Net Zero Homes - Canada's first certified Net Zero House in BC
Green building certifications

The first Net Zero-labelled homes in Canada

...building significantly more energy efficient homes. Building science training is mandatory for participation in the Canadian Home Builders' Association Net Zero Homes Labelling Program. This training introduces the concept of treating the building as an integrated system, the basic principles of building science and ...

R values and insulation performance
Efficient home design

Understanding thermal performance

...buildings. Lorne Ricketts is a Building Science Engineer [EIT] with RDH Building Engineering Ltd. and has significant experience with the thermal performance of building enclosures and insulation products. He was the lead investigator on a recent project by RDH which assessed the thermal performance of conventional...

Poly vapour barriers in air conditioned houses can cause mold and rot
Healthy indoor air quality

Why you should Never Install Air-Con in a Home with a Vapor Barrier

...building envelopes. Building codes are making you do stupid things. The laws of physics trump code. - Joe Lstiburek This article was inpired by building scientist Joe Lstiburek, one of the most globally trusted and well-known names in building science who has left an indelible mark on the building codes of the ...

Slab-on-grade construction technical guide
Slab on Grade

Slab-on-grade technical guide

...building underground. This can mean that in a lot of cases, the proper building techniques are not being followed, according to the principles of building science. Poorly constructed basements are subject to rot and mold. Case in point: walls need to be able to dry in at least one direction. In a cold climate, ...

An attic with 'insulating paint' which doesn't insulate
Insulation and soundproofing

Does 'insulating paint' work?

...buildings. Powdered ceramic chips that can be added to any paint are said to reflect heat in or out of a building and reduce heat loss by staggering amounts. I was under the impression that this had been successfully exposed as a fraud, until a mention of it recently came up. All it took was a quick Google search to ...

Building Climate Zones USA & Canada Maps Help with Specification of Homes
Planning and Design

Climate Zones in USA & Canada for Building Homes

...building homes But the principles of building science remain the same in all climate zones ; in relation to moisture movement though walls, and thermal dynamics (meaning how heat moves from one place to another). To better understand the basics of how to build an energy-efficient and durable home , see our building s...

Multi-unit Passive House for Heiltsuk First Nation on Campbell Island,
Passive House

Multi-unit Passive House for Heiltsuk First Nation in British Columbia

...Building Envelope RDH Building Science Inc. General Contractor Spani Developments Ltd. Module Fabricator Britco LP Photos Britco LP

UBC's Centre for Interactive Research on Sustainability
LEED Homes

UBC Lab Exceeds LEED Platinum becoming one of North America's greenest buildings

...buildings worldwide that will provide “net positive” benefits to the environment. It reduces UBC ’s carbon emissions, powers itself and a neighboring building with renewable and waste energy, creates drinking water from rainwater and treats wastewater onsite. The CIRS building includes a green roof cour...

Which House Plants are Best to Clean Air & Remove Toxins?
Healthy indoor air quality

Which house plants are best for purifying air? Ecohome investigates

...building codes and serve to provide fresh air to indoor environments, but we should also be aware of the types of toxins we are introducing through building materials. With the current issues of airborne viruses as well, it's never been more important to choose the right air filter and furnaces and ventilation units to...

Energy modeling simulation of heat loss through thermal bridging
Efficient home design

What is a thermal bridge and why is it so important to break it?

...Building codes and thermal bridges: It is not only sensible to address thermal bridging in construction, it is becoming law. Recent revisions to building codes have increased the thermal requirements of building enclosures in many regions, including requiring a thermal break. Contrary to common assumptions, t...