Inside the Envelope

August 24, 2015

How Can a Deep Energy Retrofit Make a Difference in Your Building?

Condominium owners know how much they are paying for electricity and gas when their bills...

August 7, 2015

NAFS in the Code—Part 5

We are using NAFS, the North American Fenestration Standard, for one reason only—because it is...

June 13, 2015

What’s Hiding in My Building?

“Sometimes, the most dangerous things are those that are hiding in plain sight.”

April 24, 2015

Products Outside the Scope of NAFS

Canadian building codes make a clear distinction between products that are within the scope of...

April 7, 2015

Re-Thinking Ventilated Attics: How to Stop Mold Growth in Coastal Climates

Mold growth on the underside of sheathing has become an epidemic in the Pacific Northwest....

March 29, 2015

NAFS Labeling for Large Buildings

NAFS labeling means putting a label on every window, right? . . . Or does...

March 10, 2015

For our American Friends: 7 Essential Tips for Complying with NAFS in Canada

While NAFS has mostly harmonized fenestration testing requirements between the U.S. and Canada, there are...

February 10, 2015

NAFS and the Problem with Mullions, Take 2

Patrick Flannery of Fenestration Review sat down with Al Jaugelis in December to discuss the...

January 28, 2015

How Long do Buildings Last?

We have tracked 1,651 buildings over a 20+ year period and have identified five life...

From Building Rehabilitation to Deep Energy Retrofit: An Opportunity for Rental Apartments

There is a ‘glass half-full’ perspective worth considering: upgrades that increase the market value and...