Simpson Strong-Tie SSW21-2KT Description

The Steel Strong-Wall Two-Story Stacked-Wall Connection Kit is designed for high load multi-story applications, providing reliable structural support and ease of installation.

Simpson Strong-Tie SSW21-2KT Includes

• (1) Shear-Transfer Plate with #14 Self-Drilling Screws
• (2) 1″ x 48″ Threaded Rods F1554 Grade 36
• (6) Heavy Hex Nuts
• Installation Instructions

Simpson Strong-Tie SSW21-2KT Features

• Some of the highest loads in the industry, and design procedures that account for cumulative overturning
• No bearing plates to install; walls can be placed flush against a corner
• Compression loads transferred by nut and rod, reducing wood crushing under load

Simpson Strong-Tie SSW21-2KT Applications

• Two-Story Stacked on Concrete Foundation

Simpson Strong-Tie SSW21-2KT Installation Overview

1. Drill or notch subfloor to allow compression nuts to sit flush with underside of Steel Strong-Wall (SSW)
2. Drill holes in first-story top plates to allow threaded rod to pass through
3. Install threaded rods and nuts in lower Steel Strong-Wall
4. Extend threaded rod through lower wall and floor system into upper wall
5. Install solid blocking under center and each end of SSW per designer
6. Place SSW over threaded rod and secure with anchor nuts included in SSW kit
7. Attach shear transfer plate to upper SSW with supplied #14 self-drilling screws, and to rim joist with 0.148″ x 3″ nails
8. Complete assembly with A34 angles (sold separately) per designer
9. Attach SSW to top plates or header with Strong-Drive SDS screws (supplied)

Simpson Strong-Tie SSW21-2KT Specifications

NOTE: Two heavy hex nuts included with each wall.