Passive fire protection system for horizontal ventilation metal duct, protected on all 4 sides, to ensure an interior fire resistance of 120 minutes and an exterior fire resistance of 180 minutes, system K271.es "KNAUF", by coating with Fireboard GM-F gypsum laminated board, fixed with staples. Including support structure, fastening elements, paste, and tape for joint treatment between boards.
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| Code | IOJ213 |
| Category | IOJ Proteccion pasiva contra incen |
| Subcategory | |
| Unit | m² |
| Resource Type | material |
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No credit card required · Free plan forever · Last updated May 21, 2026
| Last Updated |
| May 21, 2026 |