Tag Archives: building envelope

Lightning Protection and the Building Envelope

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Global warming could increase lightning strikes by 50 percent, according to recently published climatological research. The distribution of lightning activity may also change, raising the occurrence of lightning in regions that heretofore had little risk.1 At the same time, the need for lightning protection becomes more urgent as buildings are filled with increasingly sensitive electronic devices.

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Using Vapor Retarders to Manage Airflow and Reduce Moisture

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Industry codes are tightening the building envelope and increasing the required R-value of walls. This is a good thing for energy savings and thermal comfort. Yet, one change to a building’s system sets forth a series of other changes. The tight-envelope construction techniques to which architects and builders are now required to adhere have led to a steep reduction in air movement through walls.

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Energy-efficient Building with EIFS: Retrofitting at Silver Creek Resort

Silver Creek in Snowshoe, West Virginia, used an EIFS system which included a fluid-applied waterproofing air barrier to restore the high-rise resort.
[CREDIT] Photos courtesy Sto Corp.

Far away from any major city, the nine-story, 239-unit, high-rise Silver Creek Resort in Snowshoe, West Virginia, has undergone a complete claddings renovation. The resort’s exterior was a panelized exterior insulation and finish system (EIFS) that had been experiencing water leaks since its 1985 installation. Incorrect installation and maintenance was the cause of the leaks, according to Sam Collins, general manager.

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Energy-efficient Building with EIFS

Photo courtesy Sto Corp.

Exterior insulation and finish systems provide a number of features and benefits when compared to other claddings. Offering an air barrier, continuous insulation, and a decorative finish in one seamless assembly, EIFS is both versatile and lightweight. This article takes a look at the assemblies in terms of not only air barrier applications, but also panelization, specialty finishes, and testing.

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