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Simpson Strong-Tie MIU4.75/14 Medium Face-Mount I-Joist Hanger, double 2-5/16 in. x 14 in. I-joist
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MIU4.75/14 Medium Face-Mount I-Joist Hanger, double 2-5/16 in. x 14 in. I-joist
The MIU4.75/14 is a 16-gauge face-mount hanger for a double 2-5/16 in. x 14 in. I-joist. It nails to the header face and carries the joists on a 2-1/2 in. seat.
Sized for one I-joist width and depth. Check your joist before ordering.
Features and Common Uses
- 16-gauge steel, Zinc galvanized, G90 finish
- Optional triangle joist holes for additional uplift
- Accommodates a skew of up to 5 degrees
- Tested, load rated and code listed by Simpson Strong-Tie
Commonly used for:
- Doubled I-joists at stair openings and point loads
- I-joist to LVL, PSL or glulam headers
Specifications
| Brand | Simpson Strong-Tie |
|---|---|
| Model | MIU4.75/14 |
| Carried member | double 2-5/16 in. x 14 in. I-joist |
| Gauge | 16 ga. |
| Width (W) | 4-3/4 in. |
| Height (H) | 13-1/2 in. |
| Seat depth (B) | 2-1/2 in. |
| Header fasteners | (22) 0.162 in. x 3-1/2 in. |
| Joist fasteners | (2) 0.148 in. x 1-1/2 in. |
| Finish | Zinc galvanized, G90 |
Dimensions, fastener schedule and allowable loads are from Simpson's catalogue table for the MIU4.75/14. Loads vary by lumber species, load duration and nailing option; confirm the value for your design before install. Source: Simpson Strong-Tie Wood Construction Connectors Catalog C-C-2026, p. 154 (PDF).
How to Install
- Confirm the header can take every nail in the table.
- Nail the hanger to the header; do not overspread it. The side flanges should touch the joist top chord.
- Seat the joists and drive the joist nails; add triangle holes for uplift.
Full installation notes, fastener substitutions and load tables: Source: Simpson Strong-Tie Wood Construction Connectors Catalog C-C-2026, p. 154 (PDF).
Frequently Asked Questions
Which nails do I need?
Header: (22) 0.162 in. x 3-1/2 in. Joist: (2) 0.148 in. x 1-1/2 in. Use the exact sizes Simpson specifies; a shorter or thinner nail lowers the allowable load. Simpson's catalogue table lists the load for each nailing option.
Can I use it on a pressure-treated deck?
Not this finish. G90 galvanizing is for dry, interior framing. For preservative-treated lumber or exterior exposure, Simpson calls for ZMAX, hot-dip galvanized or stainless steel connectors and matching fasteners. Ask us about the ZMAX or stainless version.