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Weatherproofing Silicone Sealant Low-E Double Glazed Hidden Frame Glass Curtain Wall

Rolansini hidden frame glass curtain wall is a modern building exterior structure. Its core feature is that the glass is bonded to an aluminum alloy frame using structural silicone sealant. From the outside of the building, the metal supporting frame is almost invisible, and the entire wall presents a continuous, mirror-like glass appearance.
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  • Hidden Frame Curtain Wall

  • Rolansini

In modern high-rise architecture, the hidden frame glass curtain wall represents one of the most sophisticated exterior cladding solutions available today. A hidden frame glass curtain wall hides the structural metal framing behind the exterior glass panels, creating a sleek, continuous, all-glass elevation. Unlike traditional framed facades, the hidden frame glass curtain wall utilizes advanced structural silicone sealant rather than exterior mechanical clips to bond glass panes directly to aluminum sub-frames.

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When viewed from the building exterior, a premier hidden frame glass curtain wall delivers a mirror-like, uninterrupted glass surface. The structural aluminum grid of a hidden frame glass curtain wall remains entirely concealed indoors, providing maximum sunlight transmission, clean aesthetic lines, and a distinctive contemporary architectural footprint.

Hidden frame curtain wall (9)

Product Features

1.Structural Silicone Bonding: In a hidden frame glass curtain wall, all external wind loads, dead loads, and thermal expansions are transmitted from the glass to the structural aluminum framework strictly through structural silicone sealant.

2.Flush Exterior Profile: The exterior aspect of a hidden frame glass curtain wall features minimal structural gaps (weather-sealed with weatherproofing silicone), eliminating outer metallic borders completely.

3.Concealed Vent Openings: Operable window vents in a hidden frame glass curtain wall are specifically engineered to remain hidden within the glass plane, preserving facade uniformity whether open or closed.

4.Factory-Controlled Fabrication: To ensure safety, structural sealant application for every hidden frame glass curtain wall module must occur under strict cleanroom conditions in factory environments.

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Production Specifications

Product Name
Hidden Frame Curtain Wall Window
Product Model
Hidden Frame Curtain Wall
Material
Aluminum Alloy+Tempered Glass
Design Style
Invisable
Frame Material
High quality 6063-T6 aluminium alloy/Thermal break aluminum alloy
Aluminum profile
50*80 series,100*65 series,110*65 series,120*65 series,150*65 series,160*65 series,200*65 series,180*80 series,140*40
series,150*65 series...
Glass Types
Double glass,Frosted glass,Reflective glass,laminated glass,Low-E glass etc.
Glass Thickness
5mm,6mm,8mm,10mm,12mm etc. clear, tinted, frosted, reflective, low-e, fireproof,bulletproof etc.
Color Option
Customizable
Hardware
KINGLONG,SIEGENIA...
Feature
Heat Insulation/Sound insulation/Waterproof etc.
Application
Office buildings, business centers, shopping malls, shopping centers, hotels, high-end apartments, museums, art galleries,
theaters, R&D buildings, corporate showrooms, etc.

Product Advantages

  • Sleek Mirror-Like Exterior: By concealing the aluminum frame behind the glass, the building facade achieves a continuous, 100% glass finish that reflects the sky and surrounding landscape.  

  • Concealed Operable Vents: Window openings are engineered to sit flush with the glass plane, ensuring that even when opened or closed, the overall facade pattern remains completely uniform.  

  • Enhanced Daylight Transmission: Eliminating outer metal frames maximizes glass surface area, letting in abundant natural light and reducing the need for artificial interior lighting during the day.  

  • Panoramic Views: Offers clean, uninterrupted views from inside the building without vertical or horizontal frame obstructions.  

  • Minimal Dust & Water Pooling: Without protruding exterior metal caps or ledges, rain flows smoothly down the facade, making the exterior naturally self-cleaning and reducing dust accumulation.  

  • Seamless Sealing: High-grade weatherproofing silicone sealants fill the narrow gaps between glass panels, preventing water ingress and air leakage.  

  • Versatile Glass Options: When integrated with double- or triple-glazed Low-E insulated glass, hidden frame systems effectively block UV rays, reduce heat transfer, and attenuate urban noise.

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