Category: Above Grade

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 […]

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 […]

Common Problems that Reduce the Effectiveness of Your House Wrap

High-quality house wrap is most often made of spun, high-density polyethylene fibers. It is a vapor-permeable material designed to simultaneously block the passage of liquid. Properly installed, it’s a WRB with the ability to resist moisture while allowing humidity to escape from exterior wall cavities, which is of particular importance in humid climates. However, unforeseen […]

Building Envelope Code Changes and Builders

Because international building codes are regularly updated, it is always important to look at the recent changes to the International Residential Code and what it means to builders. Not surprisingly, the 2012 update of the International Residential Code (IRC) includes more demanding energy performance standards than the 2009 update. Also, it simply references many of […]

Challenging Open Joint Cladding Design

  The pyramid is one of the earliest forms of structure for human occupation, spanning the ages of the megalithic tombs of ancient Egypt and Mesopotamia all the way to today where visitors can see an aesthetically gorgeous confluence of design, form, and function. The Denver Botanic Gardens’ new Science Pyramid is now open to the public. Though […]

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