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LSTI Light Strap Tie for I-Joist

Straight Straps

This product's information may differ depending on the category of use. You are currently viewing details related to Straight Straps. You can also view product information related to the category: Lateral Connectors, Ties and Straps for Cold-Formed Steel Construction

The LSTI is designed to resist tension loads in various applications. This light strap tie utilizes a staggered nail pattern to help minimize wood splitting. The LSTI is a load-rated, precut strap designed for quick installation and optimal performance.

Key Features

  • Designed to resist wind and seismic forces
  • Suitable for diaphragm decking and wood chord open-web trusses where pneumatic nailing is necessary


  • 18 ga. (43 mil)


  • Galvanized


  • Use all specified fasteners; see General Notes


  • Special sizes can be made to order; contact Simpson Strong-Tie

Related Literature

Product Information Table

Fastener Production Information and Stuff & Things
Model No. Thickness (mil) Ga. W (in.) L (in.) Coating/Material Packaging Qty.
LSTI49 43 18 3 3/4 49 Zinc Galvanized, G90 1
LSTI73 43 18 3 3/4 73 Zinc Galvanized, G90 1

Load Tables

    Many of these products are approved for installation with Strong-Drive® SD Connector screws.

LSTI Strap Ties Load Table
  1. See General Notes for Straps and Ties.
  2. Fasteners: Nail dimensions in the table are listed diameter by length. For additional information, see Fastener Types and Sizes Specified for Simpson Strong-Tie Connectors.

Load Values with Strong-Drive® SD Connector Screws

Model No. Fasteners (Total) (DF/SP) Allowable Tension Loads (SPF/HF) Allowable Tension Loads
(160) (160)
LSTI49 16-SD9112 4205 2865
LSTI73 16-SD9112 4205 2865

Code Reports & Compliance