Category: Air Tightness

The Pros Know: Dr. Straube chooses an airtight, vapor permeable barrier for his coach house

If there’s anything that will convince people of a building product’s worthiness, it’s when the pros use it in their own homes – where they’re free to make unilateral decisions, based on their own expertise and preferences. So you can imagine our excitement when Dr. John Straube told us he chose our air- and water-resistive […]

Large Building Airtightness Testing and the Selection of Appropriate Air Barrier Strategies

An airtight building enclosure is an important part of a modern building. Good airtightness can increase energy efficiency, improve durability, and allow greater control over occupant comfort and indoor air quality. Airtightness is achieved with an effective air barrier system that is carefully designed and detailed and then built and commissioned in the field. An […]

How to Choose the Best Housewrap

Building tighter, energy-efficient homes has come with both benefits and risks. As we’ve seen over time, increased airtightness improves energy efficiency, but it also risked producing mold and rot without the proper control of moisture vapor. The key to solving this issue is to allow moisture to dry out. A housewrap (also known as a […]

Protecting One of Toronto’s Architectural Gems

The Integral House is arguably one of Toronto’s most unusual and spectacular residences. Its name reflects the summa symbol (∫) used to represent the integral in calculus; though it is known more simply to many as the Toronto Mansion. The 17,000-sq.-ft. Rosedale home was designed and built in 2009 for esteemed mathematician and calculus textbook author Dr. James […]

The Role of Air Barriers and Continuous Insulation in an Age of Green Construction

The role of air barriers and continuous insulation is multi-faceted and increasingly important in an age of green construction. Air/moisture barriers and continuous insulation are now mainstream building systems that address the demands of more stringent building codes. Air Barriers To meet current building code requirements, air barriers must be properly installed to create a continuous […]

Why You Should Use Air and Moisture Barrier with Foam Sheathing

  There are a number of reasons why you need an air and moisture barrier over foam sheathing. Airtight exterior wall systems are critical to maximizing energy efficiency and gaining LEED points. However, certain characteristics of foam sheathing conspire to compromise airtight construction. The solution? Use foam sheathing together with a high-performing, moisture-resistive air barrier. As building […]

LEED Certification and Air Infiltration

Leadership in Energy and Environmental Design (LEED) certification is an independent verification method that recognizes green building performance. LEED certified buildings are generally assumed to be more energy-efficient than standard structures. LEED® certification can enhance a building’s value, generate higher commercial lease rates and reduce utility costs. By 2018, it is estimated that LEED-certified buildings will contribute almost $30 […]

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