Product Features
Product Description
The Simpson BA4.75/18 is a top-flange joist hanger engineered for use with double 2-5/16 in. x 18 in. engineered wood and solid sawn lumber members. Designed as a cost-effective, one-piece alternative to welded hangers, the BA series delivers reliable structural support across a wide range of load conditions. This hanger accommodates medium loads with solid sawn lumber and achieves higher load capacities with engineered wood products. The full-height joist flange captures the top chord of the joist to prevent rotation and eliminates the need for web stiffeners, streamlining installation and reducing material costs. Positive-angle nailing (PAN) is featured at minimum nailing to target moderate load conditions, while maximum nailing configurations support heavier loads.
Features
- Cost-effective one-piece design compared to welded hangers
- A full-height joist flange that captures the top chord of the joist to prevent rotation and eliminate the need for web stiffeners
- Available for special order to accommodate sloped and/or skewed members
- Actual joist size: Double 2-5/16 in. x 18 in.
- Made from 12-gauge steel
- Galvanized (G90) for extra corrosion resistance
Specifications
- Model Number: BA4.75/18
- Member Size: Double 2-5/16 in. x 18 in.
- Gauge: 12
- W (in.): 4-3/4
- H (in.): 18
- B (in.): 3
- TF (in.): 2-1/2
- Coating / Finish: Zinc Galvanized, G90
- Country of Origin: United States
Approved Applications
- Engineered wood product (EWP) framing connections requiring higher load performance
- Solid sawn lumber framing applications with medium load requirements
- Top-flange hanger installations where joist rotation resistance is critical
- Framing connections where web stiffeners need to be eliminated for installation efficiency
- Sloped and/or skewed member applications (available via modification)
Installation
Install with 0.162 in. x 3-1/2 in. nails in the header and 0.148 in. x 1-1/2 in. nails in the joist. Positive-angle nailing (PAN) is used at minimum nailing for moderate load conditions; maximum nailing is used for higher load demands.
Options
- Other widths are available; specify W dimension (the minimum W dimension is 1 9/16").
- For modified hangers, fastener quantity listed in tables may need to increase depending on joist size, skew and slope. All modified hangers are 12 ga.
- Hangers may be modified for slopes and/or skews up to 45 deg.. The top flanges may be sloped as much as 35 deg. and may be open or closed up to 30 deg.. See Modifications and Associated Load Reductions under Specifications
- Contact us for Customizations and Special orders
Frequently Asked Questions
Q: What size joist member does the BA4.
Frequently Asked Questions
- What size member is the BA4.75/18 designed to support?
- The BA4.75/18 is designed specifically for a double 2-5/16 in. x 18 in. member. It is compatible with both engineered wood products and solid sawn lumber of that size, carrying medium loads with solid sawn lumber and higher loads with engineered wood products.
- What nails are required to install this hanger?
- Installation requires 0.162 in. x 3-1/2 in. nails in the header and 0.148 in. x 1-1/2 in. nails in the joist. The hanger features positive-angle nailing (PAN) at minimum nailing for moderate load conditions, with maximum nailing available for higher load applications.
- What material and finish is the BA4.75/18 made from?
- The BA4.75/18 is made from 12-gauge steel with a Zinc Galvanized (G90) coating for extra corrosion resistance. Its one-piece construction makes it a cost-effective alternative to welded hangers.
- Can the BA4.75/18 be used for sloped or skewed framing applications?
- The standard BA4.75/18 is designed for square installations, but it is available for special order to accommodate sloped and/or skewed members. Contact your supplier to inquire about special-order configurations for non-standard framing conditions.
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FAQs
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