TM 77N EI 30 – Fire-resistant window system. Exceptional thermal insulation and safety.
System advantages
- Excellent thermal performance, thanks to a three-chamber design featuring an EPS insert
- in the central section and a GKF (fire-resistant gypsum board) insert on the outer side.
- Wide range of fire-resistant glazing options – from frameless glass to double-chamber
- insulated glass units.
- Compatible with hardware meeting RC2 and RC3 security classes.
- Allows for the construction of casement windows with top lights and side panels.
- Combines two functions: high thermal insulation and EI30 fire resistance.
- Integrated trickle vents – available exclusively through Yawal.
- Compatible with other Yawal systems.
- Fire-resistant glass manufacturers: Vetrotech Saint-Gobain and Bohamet. Technical Parameters
- Thermal insulation (EN 10077-2): Uw from 0.822 W/m²K
- Sound insulation (EN ISO 140-3): 39–48 dB
- Air permeability (EN 12207): Class 4
- Watertightness (EN 12208): E1650 Pa
- Resistance to wind load (EN 12210): Class C5/B5
- Fire resistance (EN 13501-2): EI30
Technical Characteristics
- Frame construction depth: 77 mm
- Sash construction depth: 86.4 mm
- Infill thickness: 61 mm
- Maximum dimensions (width × height): 1570 × 2450 mm