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Hello,

Thank you for reaching out to the Hilti.

We can address your application through an Engineering Judgment which will be a custom detail showing your exact application with the firestop components required to maintain the stated ratings.

Hilti is proud to announce the launch of our engineering website, the HILTI CONSTRUCTION PLATFORM (HCP). This platform will be the home for all of your Fire Protection Engineering needs, including Engineering Judgment requests. You can find more information on how to access this new platform here: https://www.hilti.com/content/hilti/W1/US/en/engineering/design-centers/firestop/engineering-judgments.html (US) or https://www.hilti.ca/content/hilti/W1/CA/en/engineering/design-centers/firestop/engineering-judgments.html (Canada.) 

For instructions on how to register along with how to navigate the new platform, please see the attached document: EJ FAQ.

If you have any questions, please reach out to our customer service team at 1-800-879-8000 for assistance.

Regards,
Dakota Reid
Fire Protection Engineering Team.