Product Description
The Simpson CBH 2-3/8 in. x 9-3/4 in. Concealed Glulam Joist-to-Beam Hanger with Screws is built for modern timber framing projects where structural integrity and clean visual design must work together. Computer modeling and CNC manufacturing enables glulam to be delivered to the jobsite in precise lengths and with preinstalled concealed hangers, and the Simpson CBH concealed beam hanger is specifically designed for such applications. Installed with Strong-Drive SDS Heavy-Duty Connector screws, this heavy-duty connector is fabricated from 3-gauge steel with an electrogalvanized finish, and arrives as a complete kit - everything you need to make a single joist-to-beam connection is included in the box.
Key Features
- Concealed design for architectural aesthetics and fire-rated performance - keeps the connection hidden within the timber assembly, supporting exposed-beam applications where visible hardware is unacceptable
- 1-hr and 2-hr fire resistance ratings per ASTM E119 - qualifies this hanger for fire-rated floor and roof assemblies, reducing the need for additional fire protection measures
- Inter-story drift performance tested to over 2% - confirms the connection can accommodate lateral building movement, supporting use in seismic and wind-load applications
- +/- 1/32-in. beam length tolerance on each end - accommodates minor dimensional variation in the glulam member, making field installation faster and less dependent on perfect cuts
- Multiple router options to suit jobsite needs - gives crews flexibility in how the mortise pocket is cut, so the connection method can adapt to available equipment on site
- Code-listed per ICC-ESR-2552 - provides the documentation inspectors and engineers need, streamlining plan approval and field inspection
- Two backplates make up one complete connection - the split-plate design allows each plate to be preinstalled in the glulam at the shop, so components arrive ready to engage on site
- Complete kit includes (2) backplates, (23) SDS25300 screws, and (23) SDS25600 screws - eliminates a separate fastener order and ensures the correct screws are matched to the hanger from the start
Why This Product
- A purpose-built solution for prefabricated glulam framing - because computer modeling and CNC manufacturing allow hangers to be factory-installed before the beam ships, the CBH is engineered specifically for that workflow, reducing on-site labor and keeping the schedule on track
- Dual fire ratings without additional hardware - achieving both 1-hr and 2-hr fire resistance ratings per ASTM E119 in a concealed format means this hanger can satisfy fire-rated assembly requirements without compromising the architectural finish of exposed timber construction
- Structural confidence backed by code listing and drift testing - ICC-ESR-2552 code listing combined with inter-story drift performance tested to over 2% gives engineers and building officials verifiable data to support structural design in demanding load environments
- Everything included, nothing to source separately - the kit format with matched Strong-Drive SDS screws means contractors can complete the connection as soon as the beam is set, without hunting for compatible fasteners or risking a mismatched install
Specifications
- MPN: CBH2.37X9.75B-KT
- Brand: Simpson Strong-Tie
- Width: 2-3/8 in.
- Height: 9-3/4 in.
- Gauge: 3
- Coating/Finish: Electrogalvanized
- Install With: (23) Strong-Drive SDS25300 screws and (23) Strong-Drive SDS25600 screws (screws included)
- Country of Origin: United States
Approved Applications
- Joist to beam connections in glulam timber framing systems
What's Included
- (2) backplates
- (23) Strong-Drive SDS25300 screws
- (23) Strong-Drive SDS25600 screws
Note: Product dimensions may differ from picture. Please see the item description above for specifications.
Frequently Asked Questions
What type of fasteners are used to install the CBH2.37X9.75B-KT, and are they included?
This hanger is installed with Strong-Drive SDS Heavy-Duty Connector screws. The kit includes (23) Strong-Drive SDS25300 screws and (23) Strong-Drive SDS25600 screws, so no separate fastener purchase is necessary.
What fire resistance ratings has this concealed hanger achieved?
The CBH concealed beam hanger has achieved both 1-hr and 2-hr fire resistance ratings according to ASTM E119, making it suitable for applications with fire-rated assembly requirements.
Is the CBH2.37X9.75B-KT code listed, and what standard does it comply with?
Yes, this hanger is code-listed per ICC-ESR-2552, providing confidence that it meets recognized building code requirements for structural connectors.
How does the beam length tolerance feature help during installation?
The CBH features a +/- 1/32-in. beam length tolerance on each end, which accommodates minor dimensional variations in the glulam beam and simplifies field installation without compromising structural performance.
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