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AIR AND VAPOR BARRIERS IN A COLD CLIMATE COMMERCIAL ROOF—DO I NEED ONE?

Air and Vapor Barriers in a Cold Climate Commercial Roof—Do I Need One?

June 21, 2017

Air barrier systems in commercial buildings in cold climate zones are designed and constructed to control air and vapor transmission between a conditioned space and an unconditioned space. The air barrier system is the primary air boundary that separates indoor (conditioned) air and outdoor (unconditioned) air.

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Collapsed Shoring Wall

Preventing Shoring Wall Failures on Your Construction Site

April 28, 2017

Shoring walls are temporary retaining structures that prevent soil movement and cave-ins during a construction site excavation. These systems are used to minimize the excavation area, to keep the sides of deep excavations stable, and to ensure that movements will not cause damage to existing adjacent structures or to utilities in the surrounding ground.

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Vision to Spandrel Transition

Condensation at Curtain Wall and Storefront Spandrel Infill

April 3, 2017

Curtain wall and storefront glazing systems are typically a thin, non-structural outer façade element of a building that can span multiple floors or be incorporated into a punched opening. Glazing systems function largely as air and water vapor barriers, resisting air or water infiltration and accommodate building and system movement induced by wind, thermal, and seismic forces.

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