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Rainscreen Siding Guide

Walls that can drain and dry last a lot longer than walls that stay wet. An air gap (a rainscreen) between the siding and sheathing lets both dry independently.
October 23, 2020
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There are many ways to create a rainscreen gap between the back of the siding and the drainage plane of the wall (WRB, exterior insulation, surface of ZIP sheathing); here are at least a few options—on paper and in the real world, as well as some background rainscreen information.

Rainscreen Background information—Fundamentals

Rainscreen Walls on Paper (animation)

Rainscreen Walls in the Real World

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