Code-Compliant Tension Tie for Deck-to-House Lateral Load Connections

The Simpson Strong-Tie DTT1Z is a high-performance deck tension tie specifically engineered to meet the 2015 IRC (International Residential Code) requirements for lateral load connections between decks and primary structures. With its ZMAX® galvanised finish and 14-gauge steel construction, the DTT1Z offers a safe, cost-effective solution for securing decks and braced wall panels in both new construction and retrofit applications.

Key Features

• Meets 2015 IRC Lateral Load Requirements
  Provides a 750 lb (approx. 3.3 kN) lateral connection at four points per deck, as specified in international building codes.

• Versatile Application
  Suitable for use as a light-duty hold down in braced wall panels, shear walls, or deck-to-house anchorage.

• One-Piece Formed Design
  Simplifies installation and ensures consistent strength performance in all approved configurations.

• ZMAX® Coating for Enhanced Corrosion Resistance
  Heavier zinc galvanisation offers longer-lasting protection in decking and outdoor environments.

• Compatible with Retrofit Installations
  Ideal for enhancing safety in existing decks or for meeting new code requirements in renovations.

Common Applications

• Deck ledger board to house framing connections

• Braced wall panels and shear walls

• Safety upgrades in residential timber decks

• Retrofit of existing decks to meet current code