Sieger 40 Lantern Rooflight


Ultra Slim Aluminium, thermally broken frame

Lantern Design contemporary / regular 

Frame Profile 40mm

Colour White / Black / Grey. Dual Colour options are available with a white internal frame and a Black / Grey outer frame

Maximum Sizes contemporary lantern 1.5m wide x 3m long / regular lantern 2m wide x 4m long. Larger lantern sizes are available with increased lead times.

Pitch 17 to 35 degrees 

Tie Bars up to 2.5m wide, not needed

                   up to 3.8m wide, hidden tie bars lanterns

                   up to 5m wide, rafter tie bar



4mm toughened outer with low maintenance coating / 16mm argon filled cavity / 4mm toughened inner with low e coating

Available on request: Triple Glazing, Low Maintenance Coatings, Solar Control Coatings, IQ Coloured/Decorative Interlayers, Acoustic Interlayer (available on small sizes),

Glass thickness 24mm



Resistance to Wind Load 1.32 Kn/m2

Snow Loading 1.4 Kn/m2

Thermal Performance down to 1.2 W/m2K (double glazing) / 0.7 W/m2K (triple glazing)



Auto Venting Rooflights to Wind Load integrated into the lantern rooflight structure for ventilation.