+385 1 2479 601
upiti@metalistaklo.hr

Centar Male Privrede
„Savica-Šanci“. Majstorska 1E
10 000. Zagreb

CONTACT

minimal windows NGS

minimal windows® NGS

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Next-generation minimal sliding window system

WHY KELLER?

minimal windows® NGS enables an invisible, seamless transition between indoor and outdoor spaces through barrier-free openings across entire window façades, with heights of up to 6 meters and unlimited lengths. Our expertise and continuous development over more than 15 years have allowed us to offer custom solutions that provide maximum flexibility.

Our minimalist design harmoniously combines natural light and elegant aesthetics, creating a pleasant atmosphere for contemporary living. Light-filled rooms with up to 99.3% transparency create a unique, airy ambience in every home concept.

The advanced minimal windows® NGS system offers a variety of design options, such as adaptable glass thicknesses ranging from 34 mm to 74 mm. Side profiles can be seamlessly integrated into walls, floors, and ceilings, becoming nearly invisible. In addition, we offer motorization for opening and closing sliding elements, capable of moving sashes weighing up to 1,500 kg along stainless steel tracks.

The possibilities offered by NGS provide unlimited options during the design process, and we are ready to turn your individual visions and requirements into reality.

Visible profile width: 26 mm
Maximum sash height: 6 m
Thermal transmittance coefficient: ≥1.2 W/(m²K) | ≥0.9 W/(m²K)
Maximum fixed sash area: 18 m²
Maximum sliding sash area: 18 m²
Maximum sash weight: 1,500 kg
Total insulating glass thickness: from 34 to 44 mm
Motorization for total weight up to 2,400 kg (with one motor and combined sashes)
Barrier-free access according to DIN 18040-1, DIN 18040-2
Air permeability: up to Class 4 according to EN 12207
Watertightness: up to Class 8A according to EN 12208
Wind load resistance: up to Class C5 according to EN 12210
Sound insulation Rw (C; Ctr): up to 44 dB according to ISO 717-1
Burglary resistance: up to RC3 according to EN 1627 & PAS 24

Visible profile width: 26 mm
Maximum sash height: 6 m
Thermal transmittance coefficient: ≥0.95 W/(m²K) | ≥0.75 W/(m²K)
Maximum fixed sash area: 18 m²
Maximum sliding sash area: 18 m²
Maximum sash weight: 1,500 kg
Total insulating glass thickness: from 44 to 54 mm
Motorization for total weight up to 2,400 kg (with one motor and combined sashes)
Barrier-free accessibility according to DIN 18040-1, DIN 18040-2
Air permeability up to class 4 according to EN 12207
Watertightness up to class 8A according to EN 12208
Wind load resistance up to class C5 according to EN 12210
Sound insulation Rw (C; Ctr) up to 45 dB according to ISO 717-1
Burglary resistance up to RC3 according to EN 1627 & PAS 24

Visible profile width: 26 mm
Maximum sash height: 6 m
Thermal transmittance coefficient Uw: ≥0.90 W/m²K | Uw: ≥0.65 W/m²K
Maximum fixed sash area: 18 m²
Maximum sliding sash area: 18 m²
Maximum sash weight: 1,500 kg
Total insulating glass thickness: from 54 mm to 64 mm
Motorization for total weight up to 2,400 kg (with one motor and combined sashes)
Barrier-free accessibility according to DIN 18040-1, DIN 18040-2
Air permeability up to class 4 according to EN 12207
Watertightness up to class 8A according to EN 12208
Wind load resistance up to class C5 according to EN 12210
Sound insulation Rw (C; Ctr) up to 46 dB according to ISO 717-1
Burglary resistance up to RC3 according to EN 1627 & PAS 24

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Advanced solutions

Add-on

Flush installation

Add-on

Threshold-free transition NGS

Add-on

Safety

Add-on

Stainless steel guide rail and rollers

Add-on

Drainage

Dodatak

Klizanje krila "u zid"

Optional accessories

Add-on

Motorization

Add-on

Color customization

Add-on

Insect protection

Dodatak

Odvodnja

Dodatak

Ugradnja u ravnini

Dodatak

Prijelaz bez praga

ULTRA-TANKI DIZAJN, BESKRAJNE MOGUĆNOSTI

Zahvaljujući njihovoj uskoj širini, naši aluminijski okviri gotovo vizualno nestaju i naglašavaju minimalističku eleganciju minimal windows® sustava. S neograničenim izborom mogućnosti postavljanja, od unutarnjih ili vanjskih uglova bez stupa, obratnih jedinica, kutova od stakla do stakla te džepova u zidu gdje jedinica potpuno nestaje u zidu, naš sustav nudi maksimalnu fleksibilnost kako bi odgovarao svim dizajnerskim preferencijama. Birajte između širokog spektra boja i tekstura, uključujući mat, sjajne ili prašno obložene završne obrade kako bi savršeno odgovarale vašem prostoru.

PROSTRANA SMIRENOST, BESPRIJEKORNA INTEGRACIJA

Naši minimalistički okvirni profili neprimjetno se stapaju s podovima, stropovima i zidovima, stvarajući prostrane, otvorene životne prostore ispunjene prirodnim svjetlom. Naš originalni minimal windows® sustav nudi visine krila do 4 m i težinu do 500 kg po krilu, a naši četverokanalni klizni sustavi redefiniraju prostranost i omogućuju ostvarenje izvanrednih arhitektonskih vizija.

We approach our projects with care

Keller Minimal Windows 6
Keller Minimal Windows 4
Keller Minimal Windows 5
Keller Minimal Windows 7

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minimal windows® 4+

Our triple-glazed product designed for use in low-energy and passive houses, fully compliant with current regulations.

minimal windows® curve

Custom-made curved glass elements. Let your imagination soar and create the unique home of your dreams.

minimal windows® highline

Keller minimal windows® highline solutions combine fixed façade elements and ultra-slim aluminium profiles on a single track, creating vast surfaces made entirely of glass.

minimal windows® pivot

Bring a unique, inspired look and feel to your home. Suddenly, opening a door becomes an expression of style.

Contact information

+385 1 2479 601
upiti@metalistaklo.hr

Centar Male Privrede
„Savica-Šanci“, Majstorska 1E
10 000, Zagreb

INVESTITOR: Metali i staklo d.o.o.
PROJECT TITLE: Voucher for Creating the Website for Metali i staklo d.o.o
PROJECT GOAL (PURPOSE): To contribute to increasing the digital maturity level of the Applicant by investing in digital marketing, which will ultimately enhance competitiveness through the use of digital technologies.
PROJECT RESULTS: Completion of 1 website creation, 1 website created, 1 website tested and published, 3 hours of training conducted, 1 certificate of completed training obtained, 1 employee trained to use the website PROJECT DURATION: 20.11.2023. – 20.11.2024.
TOTAL PROJECT VALUE:
CO-FINANCED AMOUNT:
CONTACT PERSON FOR MORE INFORMATION: Tibor Turkalj, tibor.t@metalistaklo.hr

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Design by Michel studio

Flush installation

The outer frame blends perfectly with walls, ceilings, and floors, allowing for a frame installation that is seamlessly “embedded” into the wall cladding. This design provides an uninterrupted, threshold-free transition between indoor and outdoor spaces. Our flush floor-integrated frame profile ensures an elegant appearance.

Threshold-free transition NGS

The built-in minimal windows® freeway track allows a threshold-free transition to the outdoor space, making it fully accessible. The outer frame is completely integrated into the floor, ensuring the track is flush with the surface and eliminating any potential tripping hazards. The freeway system is tested, certified, and maintenance-free.

Security

Our systems are equipped with multi-point locking, providing excellent protection against burglary. They are certified according to standards for anti-burglary components and meet RC 2 resistance class requirements. Minimal windows® sliding systems are custom-made and tailored to the individual preferences and requirements of our clients. Additional optional features include linear drives, magnetic contact lock monitoring, or safety sensors. To ensure maximum security, our products are also compatible with a wide range of security accessories.

Stainless steel track and rollers

Our stainless steel guide rail is fully integrated into the lower edge of the outer frame, ensuring optimal sliding performance and quiet operation of the sliding elements. The guide rail and rollers are perfectly matched, providing stability and effortless handling of sliding elements weighing up to 500 kg (1000 kg for 4+, 1500 kg for NGS).

Our self-centering integrated stainless steel rollers are built into the lower profile of the sliding elements, protected from dust and dirt to ensure long-lasting performance.

Drainage

Beneath the lower aluminium frame, our system features a specially profiled PVC base for efficient drainage and thermal bridge interruption. Alternatively, you can opt for an additional concealed drainage channel with a stainless steel cover for a minimalist appearance. Whichever minimal windows® system or combination you choose, we will tailor the drainage solution to your specific needs.

Klizna vrata u zid

Posebno razvijeni džepovi u zidovima omogućuju da minimal windows® klizni elementi u potpunosti nestanu unutar zida. Bez obzira na to jesu li upravljani automatski ili ručno, ovi klizni elementi postaju potpuno nevidljivi i stvaraju prostran i neometan životni prostor.

Motorization

Enhance the functionality of your system with our adaptable solutions offering various concealed drive and locking options. Our motorized sliding elements can optionally be equipped with infrared sensors for automated operation. They can be controlled via remote control. Multiple sliding elements with a total weight of up to 2,400 kg can be moved quietly with a single drive.

Color customization

The aluminium frames of our minimal windows® systems are available in a variety of colors and finishes. You can choose powder-coated frames in a wide range of colors, including RAL, IGP, DB, NCS, and more, with matte, glossy, metallic, or textured finishes. Alternatively, you can select anodized frames ranging from silver to black, as well as Granodal® finishes. Customize our products to your preferences with a wide selection of options.

Insect protection

Ensure discreet protection from unwanted guests with integrated insect screens from Keller minimal windows®. These custom-made screens are nearly invisible and will not obstruct your view. You can match their color to the frame to maintain a harmonious appearance. When not in use, the screens can be easily retracted completely to the side or upward into a wall recess. Available systems include roller insect screens, pleated screens, and sliding door screens.

Odvodnja

Ispod donjeg aluminijskog okvira, naš sustav ima specijalno profilirano PVC podnožje, za učinkovitu odvodnju i prekid termičkih mostova. Alternativno, možete odabrati dodatno skriveni kanal za odvodnju s poklopcem od nehrđajućeg čelika za minimalistički izgled. Koji god minimal windows® sustav ili kombinaciju odabrali, prilagodit ćemo sustav odvodnje prema vašim potrebama.

Ugradnja u ravnini​

Vanjski okvir savršeno se stapa sa zidovima, stropovima i podovima te omogućava ugradnju okvira “utopljenog” u obloge zidova. Ovaj dizajn omogućuje neprekinut prijelaz između unutarnjih i vanjskih prostora bez pragova. Naš okvirni profil, koji je ugrađen u ravnini s podom, jamči elegantan izgled.

Prijelaz bez praga​

Ugradbena minimal windows® freeway vodilica omogućuje prolaz bez praga prema vanjskom prostoru, čineći ga potpuno pristupačnim. Vanjski okvir je potpuno integriran u pod, pa je vodilica u ravnini s podom, uklanjajući bilo kakve prepreke o koje bi se moglo spotaknuti. Freeway sustav je testiran, certificiran i ne zahtijeva održavanje.

Address
Centar Male Privrede,
“Savica-Šanci”, Majstorska 1E,
10 000 Zagreb

Contact

+385 1 2479 601 ured@metalistaklo.hr

Adresa

Centar Male Privrede,
“Savica-Šanci”, Majstorska 1E,
10 000 Zagreb

Kontakt

+385 1 2479 601 upiti@metalistaklo.hr

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