Tag Archives: building envelope

Lightning Protection and the Building Envelope

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

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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