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Is there an acceptable HILTI product that can be used at the bottom of a electrical chase to both seal the floor penetrations and a location where the vertical fire partition is interrupted?

Posted by Bill Lanningabout 3 years ago
Is there an acceptable HILTI product that can be used at the bottom of a electrical chase to both seal the floor penetrations and a location where the vertical fire partition is interrupted?

The project is currently in construction and the electrical cables from the 1st floor to 2nd floor were placed to close to the wall framing to allow for the gypsum board to extend to the subfloor in order to maintain the wall fire rating. The contractor has asked about using a fire foam product to fill the chase space to the height of the bottom of gypsum board in order to seal the vertical fire partition. See attached for photos of the condition.

fire foam at vertical fire partition,infill for gypsum board rated fire partition

1 Reply
Posted by  Kevin Riechersabout 3 years ago

Bill,

Thank you for the information.

We do not currently have a system we can use to address this specific application. Please formally submit for an official engineering judgment to usfirestopeng@hilti.com and we can meet your application needs there.

Thank you,
Kevin