Hardware
Connectors
Simpson Strong-Tie
$2-$15 eachJoist Hangers for Structural Deck and Floor Framing
Joist hangers are galvanized steel connectors that support floor joists, deck joists, and rafters where they meet beams or ledger boards. They transfer loads directly through nailed flanges, providing a code-approved connection far stronger than toe-nailing.
Key Features
- Galvanized steel corrosion resistance
- Code-approved load ratings
- Sizes for 2x4 through 2x14
- Top-flange and face-mount styles
- ZMAX coating for treated lumber
Specifications
Material: Galvanized steel (G90 or ZMAX) | Sizes: 2x4 through 2x14 | Models: LUS
LU
HUS
HU series | Capacity: 400 to 2100+ lbs | Fasteners: 10d joist hanger nails or SD screws
Best For
Deck joist installation
Floor framing systems
Header and trimmer connections
Stair carriage support
Compatible Materials
Dimensional lumber
Pressure-treated lumber
LVL joists
I-joists (special hangers)
Glulam beams
Pros & Cons
Pros
- ✓ Dramatically stronger than toe-nailing
- ✓ Published load ratings
- ✓ Required by code for most joists
- ✓ Easy visual inspection
Cons
- ✗ Must use specified fasteners
- ✗ Wrong size reduces capacity
- ✗ Difficult to nail in tight spaces
Installation Tips
Install flush to top of beam. Fill every nail hole with specified nails or structural screws. Never use deck or drywall screws. Use ZMAX with treated lumber.
Frequently Asked Questions
Match hanger to joist size. A 2x8 joist requires a 2x8 hanger (like Simpson LUS28). No gaps or bent flanges.
Only Simpson SD structural screws or equivalent code-approved screws. Never deck, drywall, or standard wood screws.