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Simpson DTT1Z Deck Tension Tie

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DTT1Z Deck Tension Tie from Simpson Strong-Tie

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DTT1Z Deck Tension Tie

DTT1Z tension ties are safe, cost-effective connectors designed to meet or exceed code requirements for deck construction. The DTT1Z can be used as a tension-tie to satisfy the 2015 IRC provision for a 750 lbs. lateral load connection to the house at four locations per deck. The DTT1Z is has the ZMAX coating.

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For new construction or to make an existing current deck code-compliant, the DTT1Z can be used as a tension-tie to satisfy the 2015 IRC provision for a 750 lbs. lateral load connection to the house at four locations per deck. This new code detail permits the lateral connection from the deck joists to be made to top plates, studs, or headers within the supporting structure, which eliminates the need to access to the floor joists inside the home.

The new DTT1Z fastens to the narrow or wide face of a single 2x with Simpson Strong-TieĀ® Strong-DriveĀ® SD Connector screws or nails and accepts a 3/8" machine bolt, anchor bolt, or lag screw (washer required) or can be installed with the new Strong-Drive SDWH Timber-Hex HDG screw with an integral washer. Read Simpson's DTT1Z Technical Bulletin.

Package Quantity One DTT1Z Deck Tension Tie
Manufacturer Simpson Strong Tie
Manufacturer Link
Dimensions 1-1/2"x7-1/2"

Simpson Strong Tie Hardware

Just like your home, it's important to make sure your deck is built right. Most experts agree that the average life expectancy of a wood deck is 10 to 15 years. It is estimated that there are millions of decks in the U.S. that are beyond their useful life and may be unsafe. In fact, the number of deck collapses has increased in recent years. Since 1999, there have been more than 850 reported injuries and 20 deaths as a result of deck failures. Simpson Strong Tie supplies all the correct deck framing hardware, like joist hangers, needed to create safe, strong, and code compliant deck & porch framing.

If you're building a deck or have an existing deck, you should know how to evaluate its construction to make sure it's structurally sound and safe. Using the proper structural connectors and fasteners (like nails and screws) as well as regular maintenance are the keys to a safe, strong deck. At The Deck Store we invite you to learn more about how to make your deck safe. We are the deck experts, come in or contact us with your deck framing connection questions.

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  1. Good product review by tim on 5/29/2020
    Overall Product Rating

    Fastest and easiest way to meet code by far.

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