![Design of 1 1/2" Type "B" Roof Deck Based on ICBO ER-2078P 1 Design of 1 1 2 Type B Roof Deck Based on ICBO ER 2078P](https://excel.civilmdc.com/wp-content/uploads/2021/12/Design-of-1-1-2-Type-B-Roof-Deck-Based-on-ICBO-ER-2078P.png)
B Roof Deck is a smooth non-composite structural metal roof deck panel. It provides diaphragm shear and vertical load capacity to support the rigid board insulation and built-up roofing. It is produced by different manufacturers, with different side lap attachments, which we will go over below.