Tag Archives: 07 10 00–Dampproofing and Waterproofing

Preparing and protecting facilities from flood risks

February 9, 2024

Whether the motivation is building code compliance, building protection and performance, or insurance premium reductions, it is necessary for facility owners and managers to address flood risk and determine how to protect their facilities.

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Mastering blindside waterproofing: A proactive, integrated approach

November 3, 2023

The practice of blindside waterproofing, where the membrane is pre-applied to an excavation support system outboard of the concrete foundation wall, has a decades-long history of use on commercial building projects, and yet it is not uncommon for contemporary projects to experience unwelcome surprises at the time of a building’s waterproofing installation.

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Failures: Rules of (gasket) engagement

June 8, 2023

A close-range examination revealed the gaskets were not driven to the required depth within the joints to engage the locking barb with the corresponding raceway in the outboard aluminum trim. Instead, they were retained in the joint through compression alone, leaving them susceptible to disengagement over time.

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Waterproofing elevator pits 101

October 17, 2018

This was supposed to be simple. The site is flat and the building is all slab-on-grade. The geotechnical report stated the design ground water table is more than 3 m (10 ft) below grade. Why is there a need to spend in excess of $100,000, and add more than three weeks to the construction schedule for below-grade waterproofing? The short answer is: elevators.

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Liquid-applied below-grade waterproofing: Best practices for working with STPE

July 11, 2018

Waterproofing is the art and science of minimizing the potential for water ingress into a structure by treating surfaces to resist the passage of water under hydrostatic pressure. While it sounds similar, waterproofing is different from dampproofing, which is defined as treatment of a surface or structure to resist the passage of water in the absence of hydrostatic pressure.

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