Simpson Strong-Tie LDSS48 LDSS 3-3/4-in. x 47-1/2-in. 18-Gauge Galvanized Diaphragm Spline Strap

• No routing required; the strap can be placed directly on top of mass timber panels, reducing manufacturing time and cost
• Less susceptible to moisture damage than plywood splines, reducing need for expensive repairs
• Embossed hole helps guide the installation tool into the hold and increases capacity per fastener
• Tested for in-plane shear values
• Can be used as part of a complete spline solution throughout a project for faster installation and to save on the total cost of spline connections
• Width: 3-3/4 in.
• Length: 47-1/2 in.
• Made from 18-gauge steel
• Galvanized

The LDSS light diaphragm spline strap is designed to be placed directly on top of CLT (cross-laminated timber) and other mass timber panels to connect them together. Unlike plywood splines, the LDSS does not require routing. As part of the Simpson Strong-Tie complete LDSS spline solution, the steel strap installs easily and safely using our PRO300SG2 Quik Drive tool and collated Strong-Drive WSV Subfloor screws. The LDSS features an innovative embossed hole design that helps guide the installation tool and increase fastener capacity.

• No routing required; the strap can be placed directly on top of mass timber panels, reducing manufacturing time and cost
• Less susceptible to moisture damage than plywood splines, reducing need for expensive repairs
• Embossed hole helps guide the installation tool into the hold and increases capacity per fastener
• Tested for in-plane shear values
• Can be used as part of a complete spline solution throughout a project for faster installation and to save on the total cost of spline connections
• Width: 3-3/4 in.
• Length: 47-1/2 in.
• Made from 18-gauge steel
• Galvanized

Install With: Install with #9 x 3 in. Simpson Strong-Tie Strong-Drive WSV Subfloor collated screws or 0.148 in. x 2-1/2 in. fasteners for 3-ply CLT layup