Product Description
The Simpson DGHT Top-Flange Fire Wall Hanger for 2-5/16 in. x 18 in. Engineered Wood is a patent-pending, load-tested joist hanger engineered specifically for multifamily and multilevel Type III residential construction where a certified fire wall separation is required. Its innovative top-flange design allows back-to-back installation on 2x6 (minimum) walls, and it is the first fire wall hanger designed to install with a power nailer - helping crews complete structural connections faster before drywall goes up. Tested to ASTM E814 and carrying a two-hour fire-resistant rating certified under Intertek Design No. SST/WPCF 120-01, this hanger is fire rated for use on both sides of the wall and built from 10-gauge steel with a G90 zinc galvanized finish for long-term corrosion resistance.
Key Features
- Power nailer compatible - first of its kind for fire wall applications - loads tested and code listed for 1-1/2 in. and 2-1/2 in. power-driven or hand-installed nails, so crews can install structural connections faster and keep framing schedules on track before drywall begins
- Two-hour fire-resistant rating (Intertek Design No. SST/WPCF 120-01) - tested to ASTM E814 and approved for use on both sides of the wall, giving code-compliance confidence for fire wall assemblies in multifamily and multilevel Type III residential projects
- Top-flange design accommodates dual drywall layers - provides space for two layers of 5/8 in. gypsum board to be slipped into place after framing is complete, eliminating the need to interrupt structural installation for drywall sequencing
- Back-to-back installation on 2x6 (minimum) walls - the top-flange configuration supports paired hangers on opposite sides of a single wall, reducing hardware complexity at the fire wall assembly
- Two-hour fire rating applies to 2x4 or thicker walls - broad wall-thickness compatibility means this hanger works across a range of common framing conditions without requiring a heavier or specialty wall assembly
- 10-gauge steel construction with G90 zinc galvanized finish - heavy-gauge steel delivers the structural capacity required for engineered wood joist applications, while the galvanized coating protects against corrosion throughout the building's service life
- Fits 2-5/16 in. x 18 in. engineered wood joists with a 2-3/8 in. seat width - precision sizing ensures a secure, properly seated connection that meets load and fire rating requirements without field modification
Why This Product
- Purpose-built for fire wall compliance in multifamily construction - unlike standard joist hangers, this hanger is specifically load-tested and code listed for fire wall assemblies, carrying a two-hour fire-resistant rating tested to ASTM E814 and certified under Intertek Design No. SST/WPCF 120-01, removing guesswork from code-required fire separation details
- Saves measurable installation time on every floor - as the first fire wall hanger designed for power nailer use, it allows faster fastening during framing without waiting to hand-nail around drywall, helping multilevel residential projects stay on schedule at a stage where delays are costly
- Drywall-friendly sequencing built into the design - the top-flange format leaves room for two layers of 5/8 in. gypsum board to slide into position after the structural frame is set, so drywall crews are not working around incomplete connections or forcing contractors to re-sequence trades
- Rated for both sides of the wall with a single, tested product - fire rating applies to both faces of the wall assembly, meaning the same hanger satisfies the fire wall requirement at each joist connection point without sourcing a separate rated component for the opposing side
Specifications
- MPN: DGHT2.37/18
- Brand: Simpson Strong-Tie
- Member Size: 2-5/16 in. x 18 in.
- Seat Width: 2-3/8 in.
- Height: 17-15/16 in.
- Gauge: 10
- Coating/Finish: Zinc Galvanized, G90
- Fire Rating: Two-hour
- Fire Rating Certification: Intertek Design No. SST/WPCF 120-01
- Test Standard: ASTM E814
- Installation Fasteners: Install with (6) 0.148 in. x 1-1/2 in. OR 0.148 in. x 2-1/2 in. nails in the top; (2) 0.148 in. x 1-1/2 in. nails OR (4) 0.148 in. x 2-1/2 in. nails in the face; and (6) 0.148 in. x 1-1/2 in. nails in the joist (sold separately)
- Country of Origin: United States
Approved Applications
- Multifamily residential construction requiring fire wall separation
- Multilevel Type III residential construction
- Top-flange joist connections on both sides of a fire wall
- Applications requiring a two-hour fire-resistant rated wall assembly
- Back-to-back installation on 2x6 (minimum) walls
- Framing where drywall layers will be installed after structural connections are complete
Options
- Contact us for Configurable Options and Special orders
Downloads and Resources
- Two-hour Fire-Resistant rating Intertek Design No. SST/WPCF 120-01
- Specifications
Note: Product dimensions may differ from picture.
Frequently Asked Questions
What fire rating does the Simpson DGHT2.37/18 carry, and how is it certified?
The DGHT2.37/18 carries a two-hour fire-resistant rating certified under Intertek Design No. SST/WPCF 120-01. It has been tested according to ASTM E814 and is fire rated for use on both sides of the wall, making it suitable for fire wall assemblies in multifamily and multilevel Type III residential construction.
Can this hanger be installed with a power nailer?
Yes. The Simpson DGHT is the first fire wall hanger designed to install with a power nailer. It is loads tested and code listed for both 1-1/2 in. and 2-1/2 in. power-driven nails, as well as hand-installed nails, offering flexibility on the jobsite and saving time before drywall installation begins.
What joist size is the DGHT2.37/18 designed for, and what is the minimum wall thickness required?
The DGHT2.37/18 is designed for 2-5/16 in. x 18 in. engineered wood joists with a seat width of 2-3/8 in. The two-hour fire rating applies to 2x4 or thicker walls, and the top-flange design supports back-to-back installation on 2x6 (minimum) walls.
How does the top-flange design accommodate drywall installation?
The top-flange design allows the structural framing connections to be completed first. After framing is done, two layers of 5/8 in. gypsum board (drywall) can be slipped into the space provided by the hanger on both sides of the wall, keeping the construction sequence efficient and the project on schedule.
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