Rainscreen
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A rainscreen is the exterior weather-facing surface of an exterior wall detail that stands off from the moisture-resistant surface of the structural backup wall. The rainscreen is the first interruption between conditions that exist on the outside of a walled building and conditions that are required on the inside of a walled building. A veneer that does not stand off from the moisture-resistant surface of the structural backup wall to create a cavity[disambiguation needed File:InterlanguageLinks-Asset-Pencil-Hover.gif] is not a true rainscreen. However, a masonry veneer can be a rainscreen.
Materials
Rainscreens are constructed from many different materials including concrete (Pre-Cast Section View, Knight Wall Systems), terra cotta (clay), porcelain, galvanized steel, aluminum(Knight Wall Systems), thin stone panels(StoneSheets), thin-brick panels (Knight Wall Systems) and polyurethane.
External links
- Knight Wall Systems: Rain Screens for Moisture Control & Energy Efficiency
- StoneSheets Thin Stone Panels + Aluminum Honeycomb
- Managing Moisture In Residential Building Envelopes
- Improving Drainage and Drying Features in Certain Conditions: Rainscreen Designs for Absorptive Claddings
- "Evolution of Wall Design for Controlling Rain Penetration" National Research Canada Construction Technology Update
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