Substructural
Sub-Girt
Sub-girts are horizontal or vertical structural members installed behind exterior metal panels to provide added support and alignment. By creating a secure mounting surface, they improve the strength, durability, and overall performance of metal cladding systems.
Sub-Girt Product Offering
- Galvanized finish
- Custom lengths from 3’ to 30'
- The chart below outlines our standard size and gauge options.
Please consult your McElroy Metal representative to discuss lead time.

Standard Size & Gauges
MSG-1
Size: 5/8" x 5 1/2"
Gauge: 16, 18 & 20
Finish: Galvanized
MSG-2
Size: 7/8" x 5 1/4"
Gauge: 18, 20
Finish: Galvanized
MSG-3
Size: 1 1/4" x 6"
Gauge: 18
Finish: Galvanized
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
Running short of time to complete your own shop drawings? McElroy Metal can help. Click the button below to provide us some basic information and we’ll be in touch soon to discuss your project specifics.
Download Shop Drawings
If you’re creating your own shop drawings, click the button below to gain full access to our CAD and PDF Files.
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.