Press & Articles

Zero-Lot-Line Building Envelope Protection and Redundancy

Post Date: 
June 1, 2018

By David Alexander Devin

Zero lot line (ZLL) below-grade construction allows building teams to maximize square footage by building directly up – or extremely close – to the property line. This method is often used in urban environments where space is at a premium. Many waterproofing consultants make the decision to use waterproofing systems comprised of redundant layers of materials to resist soil and water ingress or to block potential contaminants, thereby increasing the chances of success for the life of the zero lot line building envelope. Redundant systems can be tailored to specific site needs, which can potentially change as the construction process unfolds.

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