Substructural
Zee
Zee purlins, shaped like the letter “Z,” are essential structural components in metal buildings, providing horizontal support for roof and wall panels. They help distribute loads, ensuring the stability and durability of the overall structure.
Zee Product Offering
- Red oxide primed and galvanized finish.
- We also have the ability to pitch Zees at some locations.
- Custom lengths from 6’ to 50' (except our Bossier, LA facility which has a 45' max length)
- We offer a wide variety of standard and custom punch options to meet your specific project requirements.
- The chart below outlines our standard size and gauge options; however, additional sizes may be available.
Please consult your McElroy Metal representative to discuss custom sizing availability and lead time.

Standard Size & Gauges
4"-6" Web
4 " x 2" 16 & 14 Gauge
4 " x 2 1/2" 16 & 14 Gauge
4 " x 3" 16 & 14 Gauge
4 " x 3 1/2 16 & 14 Gauge
6 " x 2 1/2" 16 & 14 Gauge
8" Web
8 " x 2 1/2" 16, 14, & 12 Gauge
8" x 3" 16, 14, & 12 Gauge
8 " x 3 1/2" 14 & 12 Gauge
10-12" Web
10 x 2 1/2" 14 & 12 Gauge
10" x 3" 14 & 12 Gauge
10" x 3 1/2" 14 & 12 Gauge
12 " x 2 1/2" 14 & 12 Gauge
12 " x 3" 14 & 12 Gauge
12 " x 3 1/2" 14 & 12 Gauge
module.product Substructural Components
Related Files
Brochures/Flyers
Product Data Sheets
Product & Trim Information Books
Technical Information / Substructural Section Properties
- Cee Sections: Effective Section Properties
- Cee Sections: Gross Section Properties
- Channels - Effective Section Properties
- Channels - Gross Section Properties
- Hat Channel Gross Section Properties
- Hat Channels- Effective Section Properties
- Hat, Channel, Mac-Girt, Sub-Girt Effective Section Properties
- Hat, Channel, Mac-Girt, Sub-Girt Gross Section Properties
- Zees - Effective Section Properties
- Zees - Gross Section Properties
Get A Submittal Package
- Customize (Recommended) Download All
Customize your submittal package
General Product and Warranty Information
Panel Load Tables w/Section Properties and Testing
Safety Data and Material Safety Data Sheets
Shop Drawing Service
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Download Shop Drawings
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Find a Distributor / Contractor Near You
Whether you’re building a new home or planning renovations, a metal roof can deliver long-term cost savings and comfort. To explore your options and find the product that meets your aesthetic and budgetary needs, contact a McElroy Metal distributor or contractor in your area today. We can’t wait to help make your dream home a reality.