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Drainability in Exterior Walls

With as many ways as there are to construct a wall system, there are an equal number of ways to try to keep that wall dry. But as the race to waterproof wall assemblies continues, we may be inadvertently making it easier for moisture-related issues to fester. After all, no matter how tightly buildings are constructed, water will inevitably find its way in. There’s no such thing as a “waterproof” wall.

Thankfully, advances in weather-resistant barriers have resulted in high-performing, labor-friendly solutions for protecting homes and buildings from the elements, while allowing them to both release vapor buildup and drain bulk water. And with a growing number of products hitting the market to address this need, it’s important to understand the right solution for your project.

Our new white paper “Drainable Building Wraps Offer Solution Against Moisture Infiltration” is a helpful tool to get the details on the role of drainable building wraps. Specifically, the white paper addresses:

  • Building codes impacting the adoption of drainable technologies
  • Climate considerations for building wrap selection
  • The impact of cladding on drainage in exterior walls


Download the full white paper here.


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