Modern architecture with transparent design and an open construction is becoming increasingly popular, connections between outdoors and indoors are allowed, the rooms are networked with one another and made to be usable for a wide range of purposes. The minimal windows concept by Keller is a virtually frameless sliding system with universally insulated aluminum frame profiles into which very large panes of glass are set. The system offers all conceivable sliding variants extending up to 4-track systems and corner post- free internal and external corners and is available in two product lines. The basic version has double-insulated glass panes set and the sliding leaves can be manufactured up to a height of 4 m and with a leaf area of up to 8.5 m2. The premium line, minimal windows 4+ represent the highly insulated premium series of the system for the use of triple glazing below the low-energy standard. With the four additional (4+) outstanding characteristics (minimum Uw value, maximum glass thickness, maximum sliding leaf area, maximum sliding leaf weight), new standards are set in design sliding systems.
Aesthetics, combined with high quality communicate the clean minimalism of glass façades.
KELLER Minimal Windows® is a practically frameless, extremely easy-action sliding window system with a minimalistic facing width of the leaf profile of only 21 mm. The system features double insulation glazing in thermal separated aluminium frame profiles.
Keller Minimal Windows offers all conceivable sliding variants extending up to 3-track systems and corner-post-free internal and external corners. The sliding leaves can be manufactured up to a height of 3.50 m and with a leaf area of up to 8,5 m2. According to the individual system configuration, concealed electric drives and locks can be used to increase operating comfort. The peripheral frame profiles can be fully installed into the wall and floor. The floor profile with the integrated double stainless-steel rail has a smooth surface and is insensitive to dirt, easy to care for and maintenance-free.
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Keller Minimal Windows 4+® is the premium version of the triple-glazed design sliding window is the most highly insulated variant and is the perfect solution for the passive house area. With high-quality insulated glass panes, it is possible to achieve a Uw value of ≥ 0.70 W/m2K.
This system offers all conceivable sliding variants extending up to 3-track systems and corner-post-free internal and external corners. The sliding leaves can be manufactured up to a height of 4.50 m and with a leaf area of up to 12 m2. According to the individual system configuration, concealed electric drives and locks can be used to increase operating comfort. The peripheral frame profiles can be fully installed into the wall and floor. The floor profile with the integrated double stainless-steel rail has a smooth surface and is insensitive to dirt, easy to care for and maintenance-free.
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Keller Minimal Windows Highline® is innovative premium glass facade system combines aesthetics with outstanding performance features. The slender and frameless glass facades enhance the pure minimalism of current architecture. The glass facade between two structural floors comprises thermally insulated, concealed aluminum frame profiles and is ideal wherever minimum facing width and maximum glazing height is desired. The flush-mounted or symmetrically alternating offset planes of the glass facade can be combined with ultra-slender design sliding doors to give the perfect solution for high-rise residential projects and business premises. Available as double- or triple glazing versions. Stability of the sliding system tested under extreme wind loads with a nominal load of 2,000 Pa (approx. 200 km/h) and a peak load of 3,000 Pa (approx. 250 km/h; with brief gusts of wind) in accordance with EN12210 and the classification C4/B5.
We distinguish 3 different design variants:
Type 1 - Glass-To-Glass, flush-surface glass facade with vertical 10 mm butt joint and SG bonding.
Type 2 - Semi-SG, flush-surface glass facade with vertical 20 mm butt joint outside and 22 mm design static profiles inside.
Type 3 - Cover-Cap-Look, flush-surface glass facade with 22 or 34 mm exterior cover in different design variants and vertical 22 or 34 mm design static profiles inside.
Type 1
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Type 2
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Type 3
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