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National Gypsum Company is the exclusive service provider for products manufactured by Gold Bond Building Products, LLC, PermaBASE Building Products, LLC and ProForm Finishing Products, LLC.

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CAD & BIM

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Fire-rated details for commercial construction

The PURPLE Book® II drawings illustrate solutions to the toughest fire-rated construction details. Find required solutions and download the CAD drawings for your project.

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CAD Drawings

The PURPLE Book II

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CAD Drawings

PURPLE BOOK II CAD file .dwg

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