Please note, the order volume has been updated. This is due to package and minimum order quantities.
Please note, the order volume has been updated to. This is due to package and minimum order quantities.
Hilti has performed extensive testing in both through-penetration and construction joint firestop applications. However, due to variations in construction throughout the phases of a project, it is not possible to test every firestop application that may be encountered.
For these situation, Hilti has developed a process for creating custom drawings to accommodate particular applications. Hilti custom drawings, or Engineering Judgments, are developed through the careful and restricted application of accepted fire protection engineering principles and guidelines set forth by the International Firestop Council (IFC). Test data of like systems are analyzed and applied toward similar applications that do not exactly meet the criteria of a current UL Listed System.
We have certified professionals who are trained and qualified to do prepare the EJ’s for cases where we don’t have an UL approval.
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