A sealed barrier is the difference between a renovation a clinic can stay open through and one that shuts a wing down. None of the six steps below is exotic — they are the same order of operations described in ASHE’s ICRA guidance, and the reason our Project Director sat for the ASHE ICRA 2.0 qualification in the first place.
Read the ICRA matrix first
Which ICRA class the work falls into — I through IV — decides everything that follows: how the barrier gets built, where the negative air goes, and who signs off before a single stud moves.
Build floor to deck, not floor to ceiling
A wall that stops at the drop ceiling leaves the plenum open, and dust moves through a plenum faster than through any door. Framing runs to the structural deck above and gets sealed on both sides.
Put negative air ahead of the first cut
A HEPA-filtered negative air machine runs before demolition starts, not after, and stays on for the entire scope. It is what keeps air moving into containment instead of out of it.
Tape the seams, not just the plastic
A barrier fails where two sheets of poly meet, or where poly meets an existing wall — not in the middle of a sheet. The tape line gets more attention than the plastic itself.
Protect the path, not just the room
Floors, egress routes and any equipment between the containment and the dumpster get covered before the first piece of debris moves. That corridor is where a mistake becomes someone else’s problem.
Monitor pressure for the life of the job
A manometer on the containment wall gets checked on a schedule and logged, not glanced at once during setup and forgotten. Anyone who asks to see the log gets to see it.
This is the same list whether the space is a diagnostic imaging suite or a veterinary clinic — which is also why we describe ourselves as prepared for ICRA-compliant environments, not as a hospital contractor: the method is the same, the buildings we have built it in so far are not hospitals.
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