The Simpson Strong-Tie SDWF Floor-to-Floor Screw is skillfully designed to simplify the wind-uplift restraint connection. This screw can attach both upper and lower walls together from the top, spanning the floor system and providing an easy-to-install connection within the continuous uplift load path of the structure.
The innovative Take-Up Washer (TUW) plays a key role in the long-term performance of the SDWF when installed between the screw head and the sole plate of the upper floor. As the structure settles because of shrinkage and construction loading, the threaded portion under the head of the screw ratchets up through the tabs of the TUW, which is fastened with Simpson Strong-Tie® Strong-Drive SD Connector screws. The interlock between the tabs of the take-up washer and the threads under the head of the SDWF prevent the screw from sliding back under load. This provides a simple yet reliable means of shrinkage compensation up to 3/4″ per story.
Key Features
- Faster to install than other floor-to-floor connection methods — drive the screw, install the take-up washer, and the connection is made from plate-to-plate
- Shrinkage compensation ensures a tight connection even after initial shrinkage and settlement occur
- Installs from inside the structure, eliminating exterior work on upper stories and enhancing job safety
- Fastening can be done before or after exterior sheathing is applied for added flexibility
- One screw length can be used for multiple floor depths (refer to chart to select appropriate screw size), reducing the need for many screw lengths
- Qualified for use in engineered wood products
Kit Includes:
Kit includes all required installation hardware:
- (25) Strong-Drive SDWF Floor-to-Floor screws
- (25) TUW take-up washers (washer is galvanized 10 ga. steel)
- (100) Strong-Drive SD Connector screws (#9)
- 5/16″ hex driver bit (replacement driver bit — BITHEXR516-R1
- Screw depth guide to ensure proper SDWF engagement with TUW
Prompt Shipping and Professional Packing
We have a range of shipping options due to our long-term partnership with UPS FedEx DHL. Our warehouse staff are highly educated and will package the goods according to our precise and exact specifications. Prior to shipping, your goods will be thoroughly inspected and secured. Everyday, we send to thousands of clients in different countries. This is a sign of our commitment to be the largest online retailer globally. The warehouses are located situated in Europe just as they are in USA.
Note: Orders with more than one item will be assigned a separate processing period for each item.
Before shipment, all ordered items will be thoroughly inspected. The majority of orders will be delivered within 48 hours. The expected delivery time will be between 3-7 days.
Returns
Stock is dynamic. It's not completely managed by us, as we are involved with multiple parties such as the factory and our storage. The actual stock can be changed at any time. It is possible that inventory could run out once your order has been placed.
The policy is for 30 days. We will not replace or refund your purchase after 30 days from the date of purchase.
In order for your item to be considered eligible for return it must be in its original packaging, unopened and in the same state as you received it in. It must also be in the original packaging.
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