The changing of air filters

Air filters sit in a specially designed profile enabeling the filters be changed fast and easily.

Roof installation protection
Solid constrution for roof appliances ensuring protection against the elements complete with weather proof doors.
Doors

Turning catch on the inside, contact pressure adjustable, lockable from the outside.
Using soft cavity seal profile and a permanent elastic and age-resisting door seal.
Multi leaf damper

Framework and shutters made of aluminum. External gear wheels enable trouble-free cleaning.

Sound insulating ‘splitters’

Aerodynamically shaped frame of galvanised sheet steel, stiffened by crimping.

Absorption material (highly biodegradable, no health risk) with laminated non-woven glass fibre fabric to provide protection against abrasion at air velocities of up to 20 m/s; rot-proof and moisture-repellent impregnation, and non-flammable.
External lambda panels and internal partitioning panels of galvanised sheeting