A waterproofing membrane is being installed below grade on a foundation wall. The membrane must resist 8 feet of hydrostatic head. What minimum thickness is typically required for a liquid-applied membrane system?
Correct Answer
D) 120 mils
For hydrostatic pressure conditions (8 feet of head = approximately 3.5 psi), liquid-applied waterproofing membranes typically require a minimum thickness of 120 mils to resist water penetration.
Why This Is the Correct Answer
For hydrostatic pressure conditions (8 feet of head = approximately 3.5 psi), liquid-applied waterproofing membranes typically require a minimum thickness of 120 mils to resist water penetration.
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