![basic-card-image](https://nationalgypsum.widen.net/content/psa84fwajb/jpeg/NGC_The_PURPLE_Book_Rev0623.jpg?u=vtetuw)
![hero-image](https://d3q01gc7kwv7n6.cloudfront.net/images/sites/hero/Hero_DRC_Literature_1440x380_v2.png)
Literature & Technical Guides
The PURPLE Book®
Detailed drawings and assemblies
Find commercial construction details including wall assemblies.
![basic-card-image](https://nationalgypsum.widen.net/content/psa84fwajb/jpeg/NGC_The_PURPLE_Book_Rev0623.jpg?u=vtetuw)
![basic-card-image](https://nationalgypsum.widen.net/content/g4ivez31hu/jpeg/NG_Purrple-Book-II-General-Information.jpg?u=vtetuw)
General Information
![basic-card-image](https://nationalgypsum.widen.net/content/lxochvd1pf/jpeg/NG_Purple-Book-II-Steel-Stud-Partitions.jpg?u=vtetuw)
Steel Stud Partitions
![basic-card-image](https://nationalgypsum.widen.net/content/qog9nqnhu2/jpeg/NG_Purple-Book-II-Shaftwall-Assemblies.jpg?u=vtetuw)
Shaftwall Assemblies
![basic-card-image](https://nationalgypsum.widen.net/content/wmsnxrsgnz/jpeg/NG_Purple-Book-II-Stair-Shaftwall-Details.jpg?u=vtetuw)
Stair Shaftwall Details
![basic-card-image](https://nationalgypsum.widen.net/content/jbdj0xj7oh/jpeg/NG_Purple-Book-II-Elevator-Shaftwall-Details.jpg?u=vtetuw)
Elevator Shaftwall Details
![basic-card-image](https://nationalgypsum.widen.net/content/ml4pvdr29a/jpeg/NG_Purple-Book-II-Shaftwall-Repair-Details.jpg?u=vtetuw)
Shaftwall Repair Details
![basic-card-image](https://nationalgypsum.widen.net/content/bb0ymmfn5m/jpeg/NG_Purple-Book-II-Rated-Horizontal-Membranes.jpg?u=vtetuw)
Rated Horizontal Membranes
![basic-card-image](https://nationalgypsum.widen.net/content/7lgdujh8fc/jpeg/NG_Purple-Book-II-Rated-Corridor-Assemblies.jpg?u=vtetuw)
Rated Corridor Assemblies
![basic-card-image](https://nationalgypsum.widen.net/content/mmlwu0yiiv/jpeg/NG_Purple-Book-II-Floor-Ceiling-Assemblies.jpg?u=vtetuw)
Floor-Ceiling Assemblies
![basic-card-image](https://nationalgypsum.widen.net/content/oegd9tmoin/jpeg/NG_Purple-Book-II-Steel-Column-Assemblies.jpg?u=vtetuw)
Steel Column Assemblies
![basic-card-image](https://nationalgypsum.widen.net/content/0vfkbvhtgx/jpeg/NG_Purple-Book-II-Rated-Steel-Beam-Assemblies.jpg?u=vtetuw)
Rated Steel Beam Assemblies
![basic-card-image](https://nationalgypsum.widen.net/content/ka7hgcjqty/jpeg/NG_Purple-Book-II-Penetrations-Through-Rated-Wall-and-Floor-Assemblies.jpg?u=vtetuw)
Penetrations Through Rated Wall and Floor Assemblies
![basic-card-image](https://nationalgypsum.widen.net/content/nnfclrmatr/jpeg/NG_Purple-Book-II-Sound-Transmission-Class-STC-of-Rated-Partitions.jpg?u=vtetuw)
Sound Transmission Class (STC) of Rated Partitions
![basic-card-image](https://nationalgypsum.widen.net/content/7h0xfm2mci/jpeg/NG_Purple-Book-II-Repair-Details.jpg?u=vtetuw)