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Simpson DTT2SS Stainless Steel Deck Tension Tie / Post Connector


MSRP: $26.99
Price: $24.75
You Save: $2.24 (8 %)
Item Number: DTT2SS
Manufacturer: Simpson Strong-tie
Manufacturer Part No: DTT2SS

Simpson DTT2SS Stainless Steel Deck Tension Tie / Post Connector

The new DTT2SS is made from stainless steel for applications in higher exposure environments. Whether it's a deck guardrail post application or the lateral-load connection from the deck to the adjacent structure, the new stainless-steel DTT2 is the best choice for seaside applications or those calling for more corrosive preservative-treated lumber formulations. It fastens to the framing members with stainless-steel Simpson Strong-Tie Strong-Drive SDS wood screws (included).

The new DTT2Z-SDS2.5 is our standard DTT2Z packaged with 2 1/2" Simpson Strong-Tie Strong-Drive SDS wood screws instead of the standard 1 1/2" fasteners. These longer screws allow the DTT2Z to achieve a load capacity in excess of 2100 lbs. when used as a holdown on double studs in a shearwall application. The DTT2Z-SDS2.5 is also suitable in deck applications when double 2x members are used for deck joists or blocking.

The DTT2 is a safe, cost-effective way to attach deck-railing posts to the deck framing. Because the post is tied back into the deck joists, rather than to the rim joist alone, the connection is stronger than typical through-bolt installations and complies with IRC and IBC code requirements regarding handrail and guardrail post connections for decks. The DTT2 also complies with the new IRC requirements for laterally tying the deck to the house. Additionally, the versatile DTT2 is load rated as a holdown for light-duty shearwalls and braced wall panel applications. The DTT2 fastens easily to a single 2x joist or stud using Simpson Strong-Tie Strong-Drive SDS screws and accepts a 1/2" machine bolt or anchor bolt.

Solutions for Decks

The DTT2 is ideal for two critical deck connections:

Guardrail-Post Connection

  • Ties the guardrail post into deck framing
  • Stronger and safer than nails, lag screws or bolts
  • Meets provisions set in the International Residential Code (IRC) for guardrail reinforcement (Table R301.5)
  • Single post-to-deck connection tested for the concentrated load specified in ICC-ES acceptance criteria for Handrails and Guards (AC273)

Lateral-Load Connection

  • Ties the deck into the house for a stronger, safer ledger connection
  • Helps prevent a common type of deck failure
  • Meets provisions set by the 2009 International Residential Code (IRC) for lateral deck-to-house connections (R502.2.2.3)

Table

  1. The allowable loads have been increased 60% for wind or earthquake loading with no further increase allowed.
  2. Load values are valid if the product is flush with the end of the framing member or installed away from the end.
  3. The guardrail post illustration above addresses an outward force on the guardrail. An additional DTT2 can be added at the lower bolt to address an inward force.

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