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Does Hilti have any concrete floor to concrete floor 1 hour fire rated joint that have 50% compression or extenion? What is the highest you have?

Posted by BOB MOLNARalmost 3 years ago
Does Hilti have any concrete floor to concrete floor 1 hour fire rated joint that have 50% compression or extenion? What is the highest you have?

We are refurbishing an existing building (which is made up of many buildings) into mixed use apartments and commercial space. I would like to firestop the concrete floor joints(1hr) and use aluminum covers to bridge the gap (not by Hilti). Structural Engineer is requiring 50% movement on 2" joints. What is the highest Hilti can offer?

concrete floor,Hilti Firestop Products

1 Reply
Posted by Tyler Thomasalmost 3 years ago
Hilti Verified

The largest we have is 33% for a 3" joint per FF-D-1126 which use CFS-S SIL GG or SL silicone sealant. The next largest we have is 25% using the spray per FF-D-1026.