The REI 120 up-and-down is made of 81 mm thick programmed deformability sheet metal panel.
Large dimensions made of coupled modular panels.
Insulation pack resistant to high temperatures.
Heat-expanding gaskets placed on all labyrinths.
Fixed labyrinths made of press-bent sheet steel.
Sliding on side guides and anti-friction flame-retardant counter slides.
Adjustable balancing counterweights.
Recessed handle on both sides placed on the underside of the sash.
Reclosure by means of balancing counterweights.
Automatic reclosure by thermomechanical operator, or by electromagnet.
Standard rustproof finish: RAL 7035.
Optional: finish made with satin enamels in the oven-cured RAL range.