Existing condition shows 3/4" conduit has 60% of cables occupying conduit sectional area. Does Hilti have a retrofit for this situation that allow 60% (or more) cable coverage of conduit section area?
Greetings Roland,
Thank you for using ASK Hilti!
Our system WL 3224 allows for a maximum 60% fill within a sleeve. If you are in need of a specific cable or different size from this system. Please feel free to submit an engineering judgment request through www.hilti.com/EJ and we would be happy to help out to accommodate your needs.
We hope this helps. If you have any further questions, please reach out to our customer service team at 1-800-879-8000 (US) or 1-800-363-4458 (Canada) for assistance.
Thank you for choosing Hilti as your firestop experts!
Best Regards,
Austin Griffith
Fire Protection Engineering Team