Product Description
The Simpson Strong-Drive SDWF Floor-to-Floor Screw Kit (SDWF2724-TUW) delivers a faster, stronger, and safer approach to wind-uplift restraint connections in wood-framed construction. At 0.270 in. in diameter and 24 in. in length, the SDWF screw is engineered to attach upper and lower walls together from the top, spanning the entire floor system and creating a continuous uplift load path without requiring exterior access on upper stories. This 25-count kit includes every component needed for a complete installation - screws, take-up washers, connector screws, a hex driver bit, and a screw depth guide - making it a true all-in-one solution for floor-to-floor structural connections. The innovative Take-Up Washer (TUW) is a critical component that compensates for natural wood shrinkage and settlement over time, maintaining a tight, reliable connection throughout the life of the structure. With an E-coat electrocoating finish suited for dry, low-corrosion environments and a variable thread design that accommodates multiple floor depths with a single screw length, the SDWF2724-TUW simplifies inventory management and accelerates jobsite workflow.
Key Features
- Faster Installation: Drive the screw, install the take-up washer, and the plate-to-plate connection is complete - faster than other floor-to-floor connection methods.
- Shrinkage Compensation: The Take-Up Washer (TUW) ensures the connection remains tight even after initial wood shrinkage and settlement occur over time.
- Interior Installation: Installs entirely from inside the structure, eliminating the need for exterior work on upper stories and enhancing jobsite safety.
- Flexible Scheduling: Fastening can be performed before or after exterior sheathing is applied, providing added flexibility in construction sequencing.
- Single-Length Versatility: One 24 in. screw length accommodates multiple floor depths, reducing the need to stock multiple screw lengths.
- Variable Thread Design: Optimized thread geometry enhances holding strength and performance across the full length of the screw.
- Type-17 Point: Self-drilling point design for clean, efficient penetration into wood framing members.
- 5/16 in. Hex Drive: Compatible with standard impact drivers and drills equipped with a hex driver bit (included in kit).
- E-Coat Electrocoating: Recommended for dry, low-corrosion interior environments.
- Complete Kit: Includes all required installation hardware for 25 connections - no separate hardware purchases needed.
Specifications
- Model Number (MPN): SDWF2724-TUW
- Shank Diameter: 0.270 in.
- Length: 24 in.
- Head Type: Hex Washer Head
- Head Diameter: 0.730 in.
- Drive Type: 5/16 in. Hex
- Thread Type: Variable Thread Design
- Thread Length: 5 in.
- Point Type: Type-17 Point
- Coating / Finish: E-coat Electrocoating
- Recommended Environment: Dry, low-corrosion environments
- Quantity: 25 screws per kit
- Country of Origin: Taiwan
Frequently Asked Questions
- What is included in the SDWF2724-TUW kit?
- The kit includes all required installation hardware: (25) Strong-Drive SDWF Floor-to-Floor screws, (25) TUW take-up washers, (100) Strong-Drive SD Connector screws (#9), a 5/16 in. hex driver bit, and a screw depth guide to ensure proper SDWF engagement with the TUW.
- What is the purpose of the Take-Up Washer (TUW) in this connection system?
- The Take-Up Washer is installed between the screw head and the sole plate of the upper floor. It compensates for natural wood shrinkage and settlement that occur over time, ensuring the floor-to-floor connection remains tight and reliable throughout the life of the structure.
- Can this screw be used for multiple floor depths, or is a specific floor depth required?
- One screw length can be used for multiple floor depths, which reduces the need to stock many different screw lengths and simplifies inventory management on the jobsite.
- Is the E-coat finish on these screws suitable for outdoor or high-moisture environments?
- No. The E-coat electrocoating on the SDWF2724-TUW is recommended for dry, low-corrosion environments only. It is not intended for use in high-moisture or highly corrosive conditions.
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