Product Description
The Simpson VPA Galvanized Variable-Pitch Connector for 1-3/4 in. Joists is an 18-gauge steel rafter connector built to be sloped in the field, giving framers a practical, adjustable solution for securing rafters to the top plate across a wide range of roof pitches. Accommodating slopes between 3:12 and 12:12, it removes the need for notched rafters, beveled top plates, and toe nailing, making it a reliable choice for residential and light-commercial roof framing where pitch conditions vary.
Key Features
- 1-3/4 in. joist width compatibility - sized precisely for standard 1-3/4 in. framing members, ensuring a secure, properly fitting connection without shimming or modification
- 1-13/16 in. seat width - provides a stable bearing surface that keeps the rafter correctly positioned during and after installation
- 18-gauge steel construction - delivers structural strength while keeping the connector lightweight enough for easy field handling and bending
- Zinc Galvanized (G90) finish - offers corrosion resistance suited to exposed framing environments, helping the connector hold up over the long term
- Field-adjustable slope range of 3:12 to 12:12 - eliminates the need to order pitch-specific hardware, letting crews adapt a single connector to the actual roof slope on site
- No notched rafters, beveled top plates, or toe nailing required - simplifies rafter-to-top-plate connections, reducing labor time and the risk of errors during installation
- Complements the LSSU connector - works alongside compatible Simpson hardware for a coordinated framing system on projects that require multiple connector types
Why This Product
- One connector, multiple pitches - because the VPA adjusts in the field to accommodate slopes from 3:12 to 12:12, a single connector type covers a broad range of roof configurations, reducing the need to stock or source multiple pitch-specific parts
- Faster, cleaner rafter installation - by eliminating notched rafters, beveled top plates, and toe nailing, this variable-pitch connector cuts preparation steps and keeps the framing process straightforward from layout through fastening
- Built-in corrosion resistance - the G90 zinc galvanized coating protects the steel connector in conditions where moisture exposure is a concern, supporting the long-term integrity of the rafter connection
- Trusted Simpson engineering - manufactured by Simpson Strong-Tie, a brand with an established reputation in structural connectors, the VPA is designed to meet the demands of professional framing applications
Specifications
- MPN: VPA25
- Brand: Simpson Strong-Tie
- Joist Width: 1-3/4 in.
- Seat Width (W): 1-13/16 in.
- Gauge: 18
- Coating/Finish: Zinc Galvanized, G90
- Installation Fasteners: Install with (8) 0.148 in. x 3 in. nails and (2) 0.148 in. x 1-1/2 in. nails (sold separately)
- Country of Origin: United States
Note: Product dimensions may differ from picture. Please see the item description above for specifications.
Frequently Asked Questions
What slope range can the VPA25 accommodate?
The VPA25 may be sloped in the field to accommodate slopes between 3:12 and 12:12, making it adaptable to a wide variety of roof pitches without requiring pre-fabricated or custom components.
What size joist is the VPA25 designed for?
The VPA25 is designed for use with 1-3/4 in. wide joists and features a seat width of 1-13/16 in.
What fasteners are required to install the VPA25?
Installation requires (8) 0.148 in. x 3 in. nails for the carrying member and (2) 0.148 in. x 1-1/2 in. nails for the carried member.
Does the VPA25 require notched rafters or beveled top plates?
No. The VPA25 is specifically designed to eliminate the need for notched rafters, beveled top plates, and toe nailing, simplifying the rafter-to-top-plate connection process in the field.
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