Certification gets you on the approved list. Installation sequence determines whether you pass. What every project director needs to understand before the inspector arrives.
A certified firestop system is a product approval, not a guarantee of compliance. On government-scale projects in the Kingdom, the gap between "certified" and "passed inspection" is where most programmes lose weeks.
The approval covers the tested assembly: a specific penetration, a specific substrate, a specific sequence of layers. Change any one of those on site and the certification no longer describes what you built.
We document every penetration before it is closed — substrate, services, annular space, and the system selected. That record is what the inspector reads, and it is what protects the project when questions come months later.
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