Product Description
The Simpson 3-1/2 in. Joist Variable Pitch Connector is a field-adjustable rafter connector from Simpson engineered to simplify roof framing by securely attaching rafters to the top plate without the need for notched rafters, beveled top plates, or toe nailing. Designed for a 3-1/2 in. joist width, this connector accommodates slopes between 3:12 and 12:12, making it a practical and versatile choice for a wide range of residential and light commercial roof framing applications.
Key Features
- Field-adjustable pitch setting - the connector can be sloped on the job site to match your exact roof pitch, eliminating the need for pre-cut or custom-fabricated hardware and saving valuable time during installation.
- Compatible with slopes from 3:12 to 12:12 - covers the full spectrum of common roof pitches in a single connector, reducing the number of different hardware SKUs a framing crew needs to stock.
- Eliminates notched rafters, beveled top plates, and toe nailing - simplifies the framing process, reduces labor, and lowers the risk of weakening structural members through unnecessary cuts.
- Complements the versatile LSSR and LSSJ connectors - integrates cleanly into framing systems that already use these connectors, keeping your hardware selections consistent across a project.
- 18-gauge steel with a Zinc Galvanized G90 coating - provides dependable corrosion resistance in standard framing environments, helping the connector maintain its structural integrity over the life of the roof assembly.
- Made in the United States - domestically produced to consistent quality standards, supporting predictable performance on every installation.
Why This Product
- One connector, many pitches - because the VPA4 adjusts in the field to handle slopes from 3:12 all the way to 12:12, crews can carry a single connector type across varied roof framing jobs rather than sourcing pitch-specific hardware for each project.
- Faster, cleaner installations - by removing the requirement for notched rafters, beveled top plates, and toe nailing, this rafter connector cuts steps out of the framing sequence and reduces the risk of installation errors that come with complex notching or angled cuts.
- Built for long-term durability - the Zinc Galvanized G90 coating on 18-gauge steel gives this joist connector lasting corrosion resistance, making it a reliable choice for roof framing where hardware is exposed to moisture during and after construction.
- System-compatible design - its compatibility with the LSSR and LSSJ connectors means the VPA4 fits naturally into broader framing connector systems, making it easier to specify and install as part of a coordinated structural connection plan.
Specifications
- Model No.: VPA4
- Joist Width: 3-1/2 in.
- Gauge: 18
- W: 3-9/16 in.
- Coating/Material: Zinc Galvanized, G90
- Installation Fasteners- Carrying Member: 0.148" x 3" Nails (sold separately)
- Installation Fasteners - Carried Member: 0.148" x 1-1/2" Nails
- Country of Origin: United States
Frequently Asked Questions
- What roof slopes does the VPA4 accommodate?
- The VPA4 adjusts to accommodate slopes between 3:12 and 12:12, making it suitable for a broad range of common roof pitches.
- Does the VPA4 require notched rafters or beveled top plates?
- No. The VPA4 eliminates the need for notched rafters, beveled top plates, and toe nailing, streamlining the installation process.
- What fasteners are required to install the VPA4?
- Installation requires 0.148" x 3" Nails for the carrying member and 0.148" x 1-1/2" Nails for the carried member.
- What gauge steel is used in the VPA4, and what corrosion protection does it have?
- The VPA4 is manufactured from 18-gauge steel and features a Zinc Galvanized G90 coating for reliable corrosion resistance in standard framing environments.
Note: Product dimensions may differ from picture. Please see the item description above for specifications.
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