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  • GRK Deck Harness Kit GRK Deck Harness Kit
  • GRK Deck Harness Parts GRK Deck Harness Parts
  • Deck Harness Kit Deck Harness Kit
  • Deck Harness Kit Deck Harness Kit
  • Deck Harness Kit Deck Harness Kit

Deck Harness Kit

Quick Overview

Deck Harness Kit

The Deck Harness is a device that consists of a steel chain linked assembly with a thermoplastic plug in the center. The plug is installed through the house deck ledger/rim board. One end of the deck harness is attached to the primary structure floor joist with U-bolt and washer plate and the other end is attached to the deck joist with same U-bolt and washer plate. The device will inhibit a deck from collapsing due to ledger board failure.

ICC-ES Evaluation Report ESR-3224


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There’s a new prescriptive lateral load connection option you can use to keep the deck from pulling away from the building. Here's the rule: R502.2.2.3 Deck lateral load connection. The lateral load connection required by Section R502.2.2 shall be permitted to be in accordance with Figure R502.2.2.3. Hold-down tension devices shall be installed in not less than two locations per deck, and each device shall have an allowable stress design capacity of not less than 1500 pounds (6672 N).

Homes with limited interior access to the interior floor joists may be a problem. Thermal Conductivity, when the outside temperature is cold and the air in your house is warm, any metal connections that project into both environments will cause condensation to drip onto the ceiling and or collect at the entrance point through the wall causing mold and decay, may be another.

This Deck Harness Kit is one solution. It allows flexible installation for homes with limited access, plus it includes a Thermal Break to help alleviate the condensation problem.

  • The kit will include:
  • 2 x U-Bolt sets
  • 2 x R4 9x2"
  • 1 Drill Bit 1-1/4"
  • 1 Deck Harness
  • and will be available in the near future.

Additional Information

Package Quantity 2 U-Bolts | 4 Sleeves | 4 Washers | 4 Hex Nuts |
Manufacturer GRK
Freight Shipping No

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