KALON 2 is an environmental ventilation upstand designed to be installed below any smoke and heat ventilation unit or any skylight. It enables the environmental ventilation to continue to operate in any weather. It is equipped with lateral inner flaps to enable weather-protected ventilation. Inner flaps are controlled by an independent system. Various methods of operation using pneumatic or electric actuators are available. The KALON 2 can be combined with all louvres, flaps and windows ventilators and skylights, such as, Delta, Monodelta, Ventra, Trilux. Wide range of sizes and heights available giving a choice of ventilation areas.

Designed to be installed below any smoke and heat ventilation unit or skylights.

Tempered AlMg3 aluminium, sea water, and corrosion-resistant.
Free of silicones.

Note: the aluminium is supplied untreated as standard.

Any size required is made to measure depending on the dimensions of the upstand or top ventilator.

P1: compressed air opening and spring closing.
P2: opening and closing by a double-acting pneumatic cylinder.
M24V: electric motor.
M230V: electric motor.

Single aluminium
Double wall aluminium with insulation.
Bases Height: 500 mm

* Custom flanges design and insulated flanges available upon request

Depends on dimensions and type of infill

Custom dimensions.
Powder-coated design (any RAL colour).
Bird or insect mesh.
Insulated version.
Hidden control system.