7 Considerations When Budgeting for Sprinkler Modifications
Updated 2026-11-12 · Reviewed by the Fire Solutions NW service team (28+ years in commercial fire protection)
Walls and ceilings move; sprinklers have to follow.
1. Design and permits
Modifications often require drawings and permits.
2. Hydraulic review
Changes can affect system performance.
3. Draining and refilling
The system is impaired during work.
4. Head type and listing
Replacement heads must match the system design.
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With other trades.
6. Inspection and testing
After modification.
7. Impairment procedures
Fire watch may be required while the system is down.
Bring the fire protection contractor in early in any remodel.
References
- NFPA 13
- NFPA 25 — impairments
General information only. Your adopted code edition and Authority Having Jurisdiction govern what applies to your building.
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