available in custom sizes
Single with 2 Sidelites
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Glass Divided Lites
A lite refers to each separately framed piece of glass on a window or door. A mullion is the line that forms a division in a window or door and this division can either be a real, or simulated.
True Divided Lites(TDL): the glass on the window isn't a single piece, but multiple pieces separated by mullions that go through the glass.
Simulated Divided Lites (SDL): the glass is a large, single piece with mullions placed on top of the glass, but they don’t cut through it.
FerroFinestra W75 TB
The FerroFinestra W75 TB system is the latest development from Ottostumm. The W75 TB system features slim lines and a visible and tactile surface. This system represents the most technologically advanced thermally insulated steel and glass system in our portfolio. The profile depth of 75 mm allows the accommodation of highly energy-efficient insulating glazing up to 52 mm and the fiberglass-reinforced polyamide insulator guarantees excellent thermal insulation, making the system ideal for projects in climatically demanding regions, where energy-saving regulations are extremely high.
FerroFinestra W50 TB
With the new FerroFinestra thermal barrier system W50 TB, OTTOSTUMM carries on the window heritage in its most authentic form, proposing the same forms, proportions and overlapping effects of the original 20th Century hot rolled steel window profiles, refined by cold rolling technology. The innovative high-density polyurethane isolator used as thermal barrier, together with the possibility of housing low emissivity glass up to 37 mm, allow to fully respond to current regulations and contemporary needs for comfort, also in harsher weather conditions, where windows made from solid steel profiles may not be sufficient. The range is completed by a wide range of exclusive fittings in several finishes, reproduced from original designs of the modern era. Any kind of inward or outward openings are possible.