Horizontal ventilation duct, four-sided, to ensure an internal fire resistance of 120 minutes and an external fire resistance of 120 minutes, according to UNE-EN 1366-1, made of calcium silicate Promatect-AD "PROMAT" plates, 1200x2500 mm and 50 mm thick, with square edges, fixed with 4.8x90 mm self-tapping screws. Including support structure, adhesive K84 "PROMAT" and calcium silicate Promatect-H "PROMAT" plate, for joint reinforcement.
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| Code | IOJ222 |
| 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 |