ICONIC W77BS AI² CE | Elvial Aluminium Window

The perfectly flush internal appearance creates a unified, aesthetically refined result that conceals top-tier mechanical capabilities within. With the innovative ELVIAL I² technology and the advanced sealing system, enhanced thermal insulation and resistance to weather conditions become standard. Freedom of movement, with an opening of up to 180° even with concealed mechanisms, complements a construction made from advanced materials that guarantees unmatched reliability and long-term durability.

Technical Specifications

System depth: 77 mm
Min. face height (frame–sash): 66 mm
Min. face height (threshold–sash): 56 mm
Min. face width (middle mullion): 107 mm
Max. sash height: 2,500 mm

Max. sash width: 1,400 mm
Max. sash weight: 130 kg
Max. glass thickness: 46 / 32 mm
Insulating bar: 42 mm (25% glass fibre reinforced)

Energy Levels

Level	Uf value
Level 1	Uf ≥ 1.9 W/m²K
Level 2	Uf ≥ 1.5 W/m²K
Level 3	Uf ≥ 1.4 W/m²K

Technology

Blind sash design, concealed hinges, ELVIAL I² insulation technology, 42 mm insulating bars with 25% glass fibre reinforcement, co-extruded gaskets, triple-level EPDM sealing system.

Typologies

Single sash fixed window
Single sash opening window
Single sash tilt & turn window
Top hung window
Double sash opening window
Double sash tilt & turn window
Window walls
Angular constructions