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Stucco is installed over rigid insulation, which is installed over a drainage plane consisting of a drainage gap and building wrap layer over the sheathing

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Standard Specification for Manufactured Polymeric Drainage and Ventilation Materials Used to Provide a Rainscreen Function, ASTM E2925–19a

Reference

Specification describing criteria for manufactured polymeric materials used to provide a rainscreen function, a means for the drainage of liquid moisture and the ventilation of vapor moisture that enters an above-grade exterior wall assembly which was published in the year 2019, and is available for...

Temporary dry floodproofing wall design concepts

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Rain Screen Acknowledgement Form

Reference

An example of a form a building codes department created to ensure builders are fully aware and have taken steps to provide drainage so that water doesn’t accumulate behind siding. This example is from the city of Newberg, Oregon.

Vinyl Siding with Integrated Rigid Foam for Existing Walls

Guide

Guide describing the design and installation considerations for recladding of above grade walls using insulated vinyl siding.

Flooding Overview

Information Guide

Overview guide describing residential floodproofing steps.