166: How to Upgrade Your Thermal Envelope Above the Building Code

When you’re designing a new home, or getting one built, you should invest as much as you can to upgrade the thermal envelope. Put in as much insulation as you can, and invest in the best windows you can afford. In this episode, I walk through the minimum requirements of the New Zealand building code Read More …

143: Why is foam such a good building material?

Many people have concerns about using foam (polystyrene) because of the chemicals used to make the stuff. In fact some of those chemicals areĀ on the Living Building Challenge Red List. So why is foam such a good building material? Foam is a Great Insulator It’s all about R-value. Foam is an incredible thermal insulator. For Read More …

Using Design Navigator to Calculate R-Value and Check for Code Compliance

When creating a building design, how do you calculate the R-Value of building elements and check the design for code compliance? As Albrecht Stoecklein, creator of Design Navigator describes, getting this right in construction design can be tricky. Albrecht Stoecklein is a building physicist and has an Energy Management Diploma as well as vast experience Read More …