Product Description
The Simpson Top-Flange Fire Wall Hanger for 5-1/4 in. x 22 in. engineered wood is a patent-pending, load-tested hanger built for multifamily, multilevel Type III residential construction where code-compliant fire wall assemblies are required. This innovative top-flange design carries a two-hour fire-resistant rating tested to ASTM E814 and rated for use on both sides of the wall - making it a reliable choice for fire wall framing in demanding residential projects. Critically, it is the first fire wall hanger designed to install with a power nailer, allowing framing crews to complete installation before drywall goes up and helping keep construction timelines on track.
Key Features
- Power nailer compatible, code listed for 1-1/2 in. and 2-1/2 in. nails - lets framing crews use standard nail guns rather than hand-nailing every fastener, significantly reducing labor time on the job site
- Two-hour fire-resistant rating (Intertek Design No. SST/WPCF 120-01) tested to ASTM E814 - meets fire wall assembly requirements on both sides of the wall, supporting code compliance in multifamily and multilevel Type III residential builds
- Two-hour fire rating applies to 2x4 or thicker walls - provides flexibility across a range of common wall assemblies without requiring special or oversized framing
- Innovative top-flange design for back-to-back installation on 2x6 (min.) walls - simplifies installation at fire wall intersections where paired hangers are needed, reducing layout complexity
- Space accommodates two layers of 5/8 in. drywall after framing is complete - eliminates the need to slip the hanger around finished drywall, keeping the framing and drywall sequences independent and efficient
- Made from 10-gauge steel with a G90 zinc galvanized finish - delivers the structural strength required for large engineered wood joists while resisting corrosion over the life of the assembly
Why This Product
- The first fire wall hanger built for power nailer installation - no other fire wall hanger was designed from the ground up to accept power-driven nails, meaning faster framing cycles and less hand-nailing fatigue for crews working on multilevel residential projects
- Fire rated on both sides of the wall in a single tested assembly - the DGHT is load-tested and rated for dual-sided fire wall use under ASTM E814, so contractors do not need separate products or additional engineering to satisfy both sides of a fire wall requirement
- Designed to keep drywall installation independent of framing - the top-flange geometry holds the joist in place while leaving room for two full layers of 5/8 in. gypsum board to be installed after framing is complete, preventing scheduling conflicts between trades
- Sized for large engineered wood joists used in modern multifamily construction - the 5-1/4 in. x 22 in. member size directly addresses the deep engineered lumber commonly specified in multilevel Type III residential framing, reducing the need for field modifications or custom solutions
Specifications
- MPN: DGHT5.37/22
- Brand: Simpson Strong-Tie
- Member Size: 5-1/4 in. x 22 in.
- Seat Width: 5-3/8 in.
- Height: 21-15/16 in.
- Gauge: 10
- Coating/Finish: Zinc Galvanized, G90
- Fire Rating: Two-hour fire rating (Intertek Design No. SST/WPCF 120-01)
- Fire 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-rated wall assemblies
- Multilevel Type III residential construction
- Fire wall assemblies requiring a two-hour fire rating on both sides of the wall
- Back-to-back installations on 2x6 (minimum) walls
- Framing assemblies using 5-1/4 in. x 22 in. engineered wood joists
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 DGHT5.37/22 carry, and how was it tested?
The DGHT5.37/22 carries a two-hour fire-resistant rating. It has been tested according to ASTM E814 and is fire rated for use on both sides of the wall. The rating is certified under Intertek Design No. SST/WPCF 120-01.
Can this hanger be installed with a power nailer?
Yes. The Simpson Strong-Tie DGHT is the first fire wall hanger specifically 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 or hand-installed nails, offering flexibility in the field.
Does the DGHT5.37/22 accommodate drywall installation after framing?
Yes. The top-flange design provides space for two layers of 5/8-in. gypsum board (drywall) to be slipped into place after the framing is complete, allowing the hanger to be fully installed before drywall is hung.
What is the minimum wall thickness required for this hanger's two-hour fire rating?
The two-hour fire rating applies to 2x4 or thicker walls. For back-to-back installation using the innovative top-flange design, a 2x6 minimum wall is required.
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