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Rainscreen Primer
By Marcy Marro Types of Rainscreen Systems There are two types of rainscreen systems: drainable assemblies and pressure-equalized rainscreen systems. Drainable assemblies, often referred to as a “drained cavity wall” or “drained/backventilated” (D/B-V) system,...
The American Architectural Manufacturers Association (AAMA) has released AAMA 902-14, “Voluntary Specification for Sash Balances.” This document establishes the requirements for the materials, testing and performance for sash balances used in hung-type windows. It...