Spanish CTE DB-SI Fire Safety Requirements for Murcia’s Building Renovation Projects
Murcia’s historic city center, particularly the Casco Antiguo district, presents unique challenges for fire safety upgrades. Renovation projects in these heritage zones must comply with CTE DB-SI Section 4, which governs compartmentation and fire spread prevention. This section often requires EI 60 or EI 120 rated glazing in critical locations such as stairwells, atrium enclosures, and corridor separations. The difficulty lies in integrating modern fire-resistant materials without altering the visual character of historic facades and interiors. Antifires addresses this with advanced fire partition solutions that combine slim-profile steel frames with high-performance glass, such as the 21mm FPOS (Integrity 120 min, Insulation 30 min) or the 28mm EI60 panel (Integrity 66 min, Insulation 64 min). These systems allow for large, transparent openings that maintain sightlines and natural light, essential for preserving the openness of historic courtyards and stairwells. Furthermore, the installation methodology—using ceramic wool (3mm–6mm, density 210 kg/m³) and intumescent seals (20mm × 4mm)—ensures that the glazing unit expands under heat to seal gaps, preventing smoke and flame passage while respecting the original building fabric. This technical approach enables compliance with local heritage regulations without compromising life safety.
Fire Rated Glass Grade Selection for Murcia’s Mediterranean Climate and Seismic Zone
New commercial developments in Murcia’s expanding Polígono Industrial Oeste require glazing systems that can withstand both the region’s Mediterranean climate (high humidity, temperature swings) and its seismic activity (Zone 3 per Spanish seismic standard NCSE-02). For these environments, the selection of fire rated glass must consider thermal expansion, moisture resistance, and structural integrity under dynamic loads. Antifires provides systems tested under EN 1363-1 furnace conditions and EN 1634-1 door certification, ensuring performance in real-world scenarios. The recommended grades for high-traffic retail units and office spaces are as follows:
| Application | Recommended Glass | Fire Rating | Key Feature |
| Retail Storefronts | 15mm FPOS | Integrity 132 min / Insulation 33 min | Resists thermal shock from HVAC cycling |
| Office Partitions | 28mm EI60 | Integrity 66 min / Insulation 64 min | High insulation for evacuation routes |
| Atrium Enclosures | 50mm EI120 | Integrity 120 min / Insulation 120 min | Structural stability under seismic deflection |
These systems utilize multi-layer tempered glass with intumescent gel layers (e.g., 6mm + 5.5mm gel + 5mm + 5.5mm gel + 6mm for 28mm EI60), which provide both fire resistance and impact safety. The frames are anchored with M6/M8 bolts at 300–600mm spacing, ensuring the assembly remains intact during seismic events while maintaining the required fire separation.
Fire Rated Glass Applications in Murcia’s Healthcare and Educational Infrastructure
Murcia’s healthcare and educational infrastructure, including hospitals like Hospital Clínico Universitario Virgen de la Arrixaca and new school campuses, demands the highest levels of passive fire protection. These facilities require EI 60 or EI 120 rated glazing in corridors, waiting areas, and classroom separations to ensure safe evacuation of vulnerable occupants. Antifires provides certified solutions that meet these stringent requirements without sacrificing natural light or visibility, which are critical for patient well-being and learning environments. For example, the 26mm door glass system (Integrity 89–90 min, Insulation 68 min) is ideal for fire-rated doors in hospital wards, offering a balance of transparency and thermal protection. In educational settings, the 21mm FPOS glass (Integrity 120 min, Insulation 30 min) can be used in partition walls to create safe zones while allowing supervision of students. All systems are tested with furnace thermocouples (Type K, 9–12 channels) and unexposed surface monitoring (10–55 thermocouples) to verify that the average temperature rise on the unexposed side remains below 140°C, and the maximum below 180°C, as per EN 1364-1. This data-driven assurance is vital for project specifications in Murcia’s public sector tenders, where compliance with CTE DB-SI and regional safety directives is mandatory. Antifires also provides detailed test reports and installation guidelines, enabling seamless integration into existing building management systems.
Antifires Local Service Advantages for Murcia’s Fire Protection Supply Chain
For Murcia-based architects, contractors, and fire safety consultants, Antifires offers distinct logistical and technical advantages. The company provides localized delivery to key industrial zones such as Polígono Industrial Oeste and Polígono Industrial de Cabezo Beaza, reducing lead times and minimizing project delays. Each order is accompanied by comprehensive documentation, including third-party test certificates (BS 476 Part 22, BS EN 1634-1, and AS1530.4), which simplifies the approval process with local building authorities. Antifires’ technical team offers on-site consultation for frame integration (G.M.S. hollow steel sections with 12mm–15mm fire-rated insulation board) and sealant application (ceramic fiber filling for 3mm–5mm expansion gaps). This ensures that the installed system performs exactly as tested, with no compromise on the fire resistance rating. Additionally, Antifires provides tailored recommendations for fire rated windows and doors based on the specific humidity and seismic conditions of Murcia, ensuring long-term durability. By combining certified product performance with regional supply chain efficiency, Antifires becomes a reliable partner for meeting Murcia’s fire safety compliance requirements under CTE DB-SI and EN standards.