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METRA Building
Casement windows

Casement windows

Product catalog summary

Overview of METRA Casement Systems
The METRA casement systems are categorized into thermal-break and non-insulated series. The thermal-break series, such as NC 50 STH and NC 75 STH-i, are designed for enhanced thermal insulation, aesthetics, functionality, and energy efficiency. These systems are versatile, suitable for various architectural styles, and provide excellent acoustic insulation and energy savings.

Features and Applications
METRA casement windows and doors offer multiple opening typologies and aesthetic lines, making them suitable for both private and public buildings. They are easy to maintain, provide maximum opening, and have high thermal insulation values, such as Uw = 1.0 W/m2K for the NC 75 STH-i model. The systems are designed to reduce heating and air conditioning costs.

Technical Specifications
The systems feature structural components like frames, sashes, glazing beads, and insulating bars. They use EPDM gaskets for glazing and under-glass insulation to minimize heat dispersion. METRA profiles and accessories are certified for high performance and durability, marked with an "M" for authenticity.

Performance Standards
METRA systems comply with European standards for water tightness (EN 1027 - EN 12208), air permeability (EN 1026 - EN 12207), and wind load resistance (EN 12211 - EN 12210). They offer sound insulation up to 46 dB and thermal transmittance values like Uf and Uw.

METRA Entrance Doors
METRA entrance doors are designed for high performance, with options for double or triple gaskets for weather tightness. They offer maximum thermal and acoustic insulation, security, and a range of aesthetic options. The doors are available in two aesthetic lines: Linea Piana and Linea Sagomata, catering to modern and traditional styles.

Advantages and Technology
METRA doors and windows provide advantages such as maximum thermal and acoustic insulation, security, and ease of maintenance. They feature advanced technology like insulating panels, thin hinges, and a variety of locking mechanisms. The systems are designed for easy fabrication and installation, ensuring long-lasting performance.

Corner Cleats
The document describes the corner cleats used in door series, which can be fixed using plugs, crimping, or screws. They have specific grooves for glue injection post-assembly, enhancing stability.

Casement Doors
This section highlights thin hinges suitable for entrance doors, offering an elegant look and excellent functionality. They support significant weight and allow for side and height adjustments without lifting the sash. A variety of locks, including mechanical and electric options, are available, providing high security and resistance to the 'Bi-metall-effekt'. The doors feature thermal-break profiles and a universal door sill for improved insulation and air tightness.

Panels
Entrance door panels are made from aluminum sheets with embossed decorations, insulated with polystyrene foam, and include a steel central sheet. These panels offer security, resistance, and durability while preventing the 'Bi-metall-effekt'.

Design Complements
Handles and hinges are designed to complement METRA systems, offering contemporary forms and a wide range of finishes for aesthetic solutions. The document lists various design lines like Linea ABACO, SPIGA, MIRA, and EXIT/KA, each offering unique styles and finishes.

Aluminium-Wood Evolution
This section discusses the combination of natural wood aesthetics with aluminum's durability, offering resistance, security, and air-tightness. The Evolution line is noted for its aesthetic appeal and durability in various climates.

Finishing
The document describes different finishing lines such as Raffaello, AL, and Decor, each offering unique textures and colors. The Raffaello line uses a 'pointillist' method for a unique look, while the AL line offers classic colors with scratch-proof features. Decor combines aluminum's strength with wood aesthetics through a sublimation process.

Additional Information
METRA provides a range of products including curtain walls, casement windows and doors, sliding windows and doors, internal doors, partition walls, handrails, verandas, shading systems, photovoltaic applications, and accessories. The document emphasizes the use of ecological paper and low-impact printing.

Catalog excerpts

Casement windows and doors

Open the catalog to page 1

Casement windows Excellent structural quality and aesthetics, good taste and technology together to enhance and protect the living spaces. Great versatility but never forgetting the external look... the METRA casement windows and entrance doors are suitable for all architectural requirements: from the historical centres to the contemporary architecture, from the mountain chalet to the villa at the beach or in the countryside. Resistant to any type of atmospheric agent and climate, with long-lasting performances, the METRA casement windows ensure a valid acoustic Insulation and great energy saving...

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METRA Quality 3 - Glazing bead available in different sizes depending on glass thickness 4 - Insulating glass with one air space (double glazing) or two air spaces (triple glazing) 5 - EPDM gasket for glazing 6 - Insulating bars made of polyamide 6.6 reinforced with 25% fibreglass 7 - Open joint tightness central gasket 8 - EPDM internal rabbet basket 9 - Insulating bars which reduce the heat dispersion 10 - Under-glass insulating gasket Purchasing METRA trademark profiles and accessories gives the security of using materials that guarantee the highest performances and durability. METRA systems...

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Basic dimensions: Air-water-wind tightness: Open joint (windows and French windows) Rabbet double gasket (entrance doors) Glass thickness: Aesthetic lines: Piana, Sagomata, Raggiata, Ferro, Tonda Water tightness Wind load resistance max Sound insulation Thermal transmittance Burglar resistance 1 vent window 1230 x 1480 mm; glass: Ug=0.6 W/m2K, psi=0.05 W/mK

Open the catalog to page 6

Basic dimensions: Air-water-wind tightness: Open joint (windows and French windows) Glass thickness: Aesthetic lines: Piana, Sagomata, Raggiata, Ferro, Scomparsa Horizontal section Water tightness Wind load resistance max Sound insulation Thermal transmittance * 1 vent window 1230 x 1480 mm; glass: Ug=0.6 W/m2K, psi=0.05 W/mK Burglar resistance Operating forces Mechanical strength Resistance to repeated opening and closing - EN 1191 - EN 12400 Impact resistance

Open the catalog to page 8

Basic dimensions: Air-water-wind tightness: Open joint (windows and French windows) Glass thickness: Aesthetic lines: Piana, Sagomata, Raggiata, Ferro, Scomparsa Horizontal section Water tightness Wind load resistance max with deflec- Sound insulation Thermal transmittance * 1 vent window 1230 x 1480 mm; glass: Ug=0.6 W/m2K, psi=0.05 W/mK Burglar resistance Operating forces Mechanical strength Resistance to repeated opening and closing - EN 1191 - EN 12400 Impact resistance

Open the catalog to page 10

Basic dimensions: Air-water-wind tightness: Open joint (windows and French windows) Glass thickness: Aesthetic lines: Piana, Sagomata, Raggiata, Scomparsa Horizontal section Water tightness Wind load resistance max Sound insulation Thermal transmittance * 1 vent window 1230 x 1480 mm; glass: Ug=0.6 W/m2K, psi=0.05 W/mK Burglar resistance Operating forces Mechanical strength Resistance to repeated opening and closing - EN 1191 - EN 12400 Impact resistance

Open the catalog to page 12

Basic dimensions: Air-water-wind tightness: Open joint (windows and French windows) Glass thickness: Aesthetic lines: Piana, Sagomata, Raggiata, Scomparsa Horizontal section Water tightness Wind load resistance max Sound insulation Thermal transmittance * 1 vent window 1230 x 1480 mm; glass: Ug=0.6 W/m2K, psi=0.05 W/m K Burglar resistance Operating forces Mechanical strength Resistance to repeated opening and closing - EN 1191 - EN 12400 Impact resistance

Open the catalog to page 14

Casement doors The METRA entrance doors fit with style in any archi- tectural context and resist to any climatic condition. They belong to a class of highest performances: they can have double or triple gasket for a perfect tightness to the atmospheric agents. They are secure, strong and non-deformable, they meet the strictest requirements in terms of aesthetics, functionality and energy saving. METRA entrance doors offer many exciting surfaces, so many colours and effects, wide choice of cutting for glazed parts and great style design for the original accessories (handles and hinges). • Doors...

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• Maximum thermal insulation • Maximum acoustic insulation • Unalterable and long lasting • Burglar-proof security • Thin hinges which give to the door a pleasant and elegant look • Panel with high thermal and acoustic insulation, provided with an elastic joint suitable to solve the problem of the "Bi-metal-effekt" even in conditions of remarkable exposure • Plugging or crimping corner cleats with injection of glue • Wide range of mechanical and electric locks (automatic locking) with relevant catches, even adjustable • Easy maintenance • Maximum opening 2 - Gasket for glazing and/or panel

Open the catalog to page 17

Basic dimensions: Air-water-wind tightness: Rabbet double gasket Glass thickness: Aesthetic lines: Piana, Sagomata Horizontal section Water tightness Wind load resistance max Sound insulation Thermal transmittance * 1 vent door 1480 x2180 mm with panel Up=0.5 W/m2K ** 1 vent door 1480 x 2180 mm with glass Ug=1.0 W/m2K, psl=0.05 W/m K Operating forces Mechanical strength Resistance to repeated opening and closing - EN 1191 - EN 12400 Impact resistance

Open the catalog to page 18

Basic dimensions: : Air-water-wind tightness: Rabbet double gasket Glass thickness: Aesthetic lines: Piana, Sagomata Horizontal section Water tightness Wind load resistance max Sound insulation Thermal transmittance * 1 vent door 1480 x2180 mm with panel Up=0.5 W/m2K ** 1 vent door 1480 X 2180 mm with glass Ug=1.0 W/m2K, psl=0.05 W/m K Operating forces Mechanical strength Resistance to repeated opening and closing - EN 1191 - EN 12400 Impact resistance

Open the catalog to page 20

Tightness lower caps Door sill Sash-junction caps Corner cleats The lower caps, placed on the frame and the sash, have been designed to ensure a perimetric seal with total absence of draughts even In the most critical lower parts. the caps enable to optimize Different typologies of door sill are available, In order to offer particular, the new door sill ensures thermal Insulation which prevent from air draughts and water Infiltra- tions. The door sill and the relevant accessories have been designed In order to reduce the time of fabrication available In order to ensure a central section. The...

Open the catalog to page 22

Casement windows

Casement windows

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