25/08/2026
Separation-distance problems rarely start at installation. They usually begin much earlier.
Busy risers, late service changes, services positioned too close to aperture edges, and mixed-service openings can make compliant fire stopping much more difficult once work reaches the site.
Good planning can make a significant difference:
· Consider service routes and spacing during design
· Check edge distances before forming openings
· Verify service types, sizes and insulation against the tested
detail
· Confirm annular gaps and seal depths
· Photograph and record the completed installation
Early coordination gives installers the space they need to install the tested system correctly. Treat fire stopping as a coordinated technical system, not a last-stage trade fix.
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