Product description
Product Code: CG-BLMT1
CMC 3.6m Black Main Runner – 24mm Suspended Ceiling Grid (T24) – Box of 15
The CMC 3.6m Black Main Runner forms the primary structural framework of the CMC black 24mm (T24) suspended ceiling grid system. Manufactured by Rockfon CMC (Chicago Metallic), a global specialist in ceiling suspension systems, this main tee delivers strength, precision alignment and a sharp black finish ideal for modern commercial interiors.
Designed for exposed grid installations, these 3.6 metre main runners provide both structural reliability and bold visual definition — perfect for feature ceilings in offices, retail, hospitality and contemporary spaces.
Do not mix and match grid brands. If you are installing CMC suspended ceiling grid, all main runners, cross tees and perimeter trims must be CMC to ensure correct interlocking, structural integrity and alignment.
For fire-rated ceiling applications, please contact us before ordering to confirm system suitability.
Key Features
- Length: 3.6 metres
- Face Width: 24mm (T24)
- Colour: Black
- Quantity Supplied: 1 Box (15 Lengths)
- Designed for CMC black-faced interlocking grid systems
Technical Information
- System Type: Exposed Suspended Ceiling Grid (T24)
- Application: Commercial & Feature Installations
- Typical Use: Main structural framework member
- Manufacturer: Rockfon CMC (Chicago Metallic)
- Compatibility: CMC Black Grid Systems Only
Complete Your Ceiling Grid System
To complete your installation, ensure all components are CMC compatible.
Browse Suspended Ceiling Grid Systems
You can also browse our full range of
Ceiling Tiles.
Frequently Asked Questions
What is a main runner used for?
Main runners form the primary structural framework of a suspended ceiling. Cross tees connect into the main runners to create the grid layout that supports ceiling tiles.
Is this a 24mm (T24) grid system?
Yes. This main runner is designed for CMC 24mm (T24) suspended ceiling grid systems.
Can I mix CMC grid components with other brands?
No. CMC grid components must not be mixed with other brands as this can cause compatibility and structural issues.
Is this suitable for fire-rated ceilings?
Fire-rated applications require system-specific approval. Please contact us before ordering to confirm that the correct ceiling system is specified for your project.









