Tag Archives: Waterproofing

Membrane seepage

Can a waterproofing membrane leak if it has no holes? Unfortunately, yes, under fairly common circumstances. If drainage is absent or impeded, water can slowly migrate directly through the membrane.

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PTAC units: All about the details

To provide personalized temperature control, while maintaining low initial costs and simplified installation, hotels and dormitories often use packaged terminal air conditioning (PTAC) units. However, penetration of façade systems with PTAC units compromised by poor detail design and/or improper installation has led to water infiltration and moisture-related problems.

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