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The shutter in the box cut at an angle of 45 degrees, installed mainly on existing windows or facades. These types of systems are the simplest solutions in technical and economic terms. The size of the box depends on the whole height of the shutter and the type of armouring. This often determines the selection of the method of installation. The lowered shutter is an additional closing of the hole of the building and is at the same time a barrier with insulation properties. The stiff polyurethane foam, filling the profiles, is an additional thermal insulation. The layer of air created between the lowered armour of the shutter and the window or door makes it difficult to exchange heat between the interior and external environments. It enables saving thermal energy necessary for the heating of the rooms, while on hot days it protects against their excessive heating. There are versions with or without mosquito nets.
TYPE OF INSTALLATION A
The whole shutter is installed on the building facade.
The drive (belt or cord) are conducted through the rear of the box, then through an opening in the wall into the rooms.We perform this installation after the installation of windows.
TYPE OF INSTALLATION B
The whole shutter is screwed on a window frame.
The output of the drive (cord) is through the window frame.One should remember that one should insert the box of the shutter with the placed guide rails into the window recess.
TYPE OF INSTALLATION C
The shutter is installed in the reversed window recess.
Remember that between the shutter and the window there would be a place for the opening of the revision cover.Also take into consideration that the armour is also reversed (from the outside we can see its back).