Technical Support and Data


Click here for further information on what warranties are offered on El Rey systems, assemblies, and products.
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Frequently asked technical questions on El Rey systems, products, and assemblies.
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Tech Bulletins

Technical documents to provide expanded explanation and clarification around key technical issues as they relate to wall systems, wall assemblies, and stucco products.
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Evaluation Reports & Testing

Click here to find national and local testing information for systems, assemblies, and products.
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Safety Data Sheets (formerly Material Safety Data Sheets/MSDS)

Safety Data Sheets for El Rey products.
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Parex USA 3rd Party Inspection Guide

Click here for an informational guide on 3rd Party Inspection.
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Contact El Rey Technical Support