Simpson Strong-Tie LDSS48 LDSS 3-3/4-in. x 47-1/2-in. 18-Gauge Galvanized Diaphragm Spline Strap
Simpson Strong-Tie LDSS48 LDSS 3-3/4-in. x 47-1/2-in. 18-Gauge Galvanized Diaphragm Spline Strap
Out of Stock - Available to Order - Usually ships in 3-5 days
Product Details
Product Details
- 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

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