Category: Air Barriers

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 […]

DELTA®-VENT SA Advantages Evident in ZIP System® Comparison 

Many of today’s building codes have been updated to better promote airtight construction because that conserves energy and reduces carbon emissions. Architects and builders can choose from a variety of sheathing and air barrier options that seek to address these more demanding 21st century codes. ZIP Systems® wall sheathing and DELTA®-VENT SA, a high-performing water-resistive […]

Key Reasons for Using Self-Adhered vs. Mechanically Attached Barriers

In today’s green building environment, truly continuous air barriers are king. However, a barrier can become compromised by holes, gaps or other defects. The problems associated with an impaired barrier are amplified when the forces associated with unequal air pressure intercede. Stringent Codes Today’s stringent building codes in both commercial and residential building are enough […]

Easier, Faster and More Accurate Wall Designs

Wall designs are one of the most time consuming projects for an architect.  As you design buildings that are energy-efficient and compliant with code changes, the wall details become more detail-oriented and evermore critical to the performance of the building. Cosella-Dörken, in collaboration with Roxul, has generated BIM files for wall sections, including air and water-resistive barrier details. […]

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 […]

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