Flow-through wall assembly / Guides

R values and insulation performance
Efficient home design

Understanding thermal performance

First published in ecoHouse Canada The thermal performance of wall assemblies and insulation products has long been characterized using R-value, a metric whi...

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?

...wall assembly matches it uniformly. But when you factor in the thermal bridges caused by framing materials and any discontinuities in the wall structure, you ca...

Dense-packed cellulose wall insulation
Wall assemblies - new construction

Dense-packed cellulose insulation wall systems

...wall you will be looking at a minimum of an R25 exterior wall. A typical wall would be built with the following layers from inside to outside: 1) Drywall, tap...

Installing Siding Correctly
Exterior cladding

How to install siding

...walls? Some of the things we do that were originally intended to keep walls dry (polyethylene vapour barriers, for example) are now more commonly keeping them...