Tag: Testing

World’s Longest Tunnel Relies on DELTA®

The dream of constructing a tunnel 1.4 miles beneath Switzerland’s Gotthard mountain range arose shortly after World War II. Now, that dream has become a reality. On June 29, 2016 the inauguration of the Gotthard Base Tunnel invoked thoughts of Hannibal crossing the Swiss Alps 2,200 years ago. Of course, this route runs under, not over, the […]

How Blower Door Testing Can Help Homebuilders

As more and more homeowners and homebuilders seek energy efficient structures, residential codes are responding. As we’ve seen from the standards set in the 2012 and 2015 versions of the International Energy Conservation Code, air tightness standards are significantly higher in order to address energy efficiency. Though currently only nine states have adopted the 2012 IECC and […]