Earthbound SlackJack: a seismic, snow and wind load holdown system for wood framed structures.

Click to download the latest directly from ICC's Website
Click to download the latest from ICC's Website
Click to download the latest directly from the COLA Research Website Modified by
City of LA*
The Earthbound System was the first holdown system with shrinkage compensation to receive an ICBO Evaluation Report in 1997 and a City of Los Angeles Research Report in 1999.

We are pleased to announce the release of ICC ES ESR-2848 and City of Los Angeles Research Report on the SlackJack® Device that demonstrates its use in the Earthbound System complies to the 2006 IBC, 2006 IRC, 2007 CBC and 2008 LABC!
Click on the links below or the images to the right:
ICC ESR-2848 (released Dec. 1st, 2011)
City of Los Angeles RR 25404 Cover Letter (Effective February 1, 2012)
City of Los Angeles Modified ICC ESR-2848*
*The 2012 IBC, 2012 IRC, and 2006 IRC References are deleted from ESR-2848 in City of LA because they are not referenced in 2011 LABC.
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