Forster FORSTER PRESTO Fire rated window

Forster Presto is a complete system with a wide range of profiles (depth 50, 60 and 80 mm) for doors, windows and fix partitions.‎ Each kind of fenestration can be built with Forster Presto.‎ Windows and doors have a double gasket in order to guarantee high performances in air, water and wind resistance, and sound insulation.‎ Forster Presto is also certified for fire protection and smoke resistance.‎ It is the only system in Forster range which can be assembled with corner joints, in order to have a faster and cheaper production and installation of windows, doors and fix panels.‎ Corner joint This accessory has been designed exclusively for Forster Presto by Monticelli, leader in corner joint production.‎ It isn’t a common folded metal sheet, but a customized element in aluminium with Montix anti-corrosion treatment.‎ Forster Presto Corner joint has been successfully tested and it guarantees the same technical performances of assembly by welding, with class 4 as mechanical strength (maximum class!).‎ The result is perfect from both technical and design point of view.‎ Technical details: -      Sound insulation: up to 44 dB -      Air permeability: class 4 -      Resistance to wind load: class C4 -      Watertightness: class 9A -      Impact resistance: class 3 -      Mechanical strength: class 4 -      Repeated opening and closing: class 8 -      Burglary-resistance: class RC1/2/3 -      Fire-protection: E30/60/90/120 and EW30/60 -      Smoke protection: RS-1/RS-2 and S200