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 ...

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...

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 ...

Lifestyle and environment

50th anniversary Earth day 2020 taking place online

...Science NetLinks: Earth Day Lesson Collection : A collection produced for last year’s Earth Day, but still relevant this year. Science NetLinks produced a big list of lessons and learning tools on a variety of earth science subjects, and they’re all easy to browse by grade level, subject, and type of project. ...

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

Finished basements can lead to mold and mildew
Healthy indoor air quality

Why are basements moldy? How to fix or Prevent a Moldy Basement

...Building Science Corporation has to say about this type of basement wall assembly - "The experience by the Building Science Consortium with these two approaches has been bad. The Building Science Consortium has concluded that these two approaches are unsuitable for use by the home building industry due to serious pro...

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?

...building codes improve, and as homeowners demand better performing and more energy efficient homes . It has been estimated that based on standard building practices, air leakage accounts for about 1/3 of the total heat loss of a home . A blower door test for buildings is a way to measure air leakage but, more importa...