insulated doors and windows from the systemforster unico and unico XS with it. - Technical details Material options sub-structures in steel, aluminium, wood forster attachement profiles in steel or aluminium pressure [...] FLEXIBLE, FAST & ECONOMICAL. Curtain wall forster thermfix light makes it possible to mount a sealing system on commercially-available steel and aluminium profiles as well as on wooden sub-structures. [...] y according 1200 Pa sloped glazing, AE 750 curtain wall rain impermeabiity 1200 Pa sloped glazing, R7 600 Pa, dynamic Pmax 1125 Pa curtain wall resistance to wind load 2400 Pa, safety load 3600 Pa sloped