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Siena

Smart Line
Acoustic insulation

(EN ISO 140-3; EN ISO 717-1)
Up to 48 dB

Thermal Performance (Uw)

up to 1.0 W/m2 K

Water tightness

(EN 1027) E1500 (1500Pa)

Wind resistance

(EN 12211; EN 12210) Class C5

Air permeability

EN 1026; EN 12207 Class 4

Siena

Smart Line
Acoustic insulation

(EN ISO 140-3; EN ISO 717-1)
Up to 48 dB

Thermal Performance (Uw)

up to 1.0 W/m2 K

Water tightness

(EN 1027) E1500 (1500Pa)

Wind resistance

(EN 12211; EN 12210) Class C5

Air permeability

EN 1026; EN 12207 Class 4

Lightweight yet sturdy

With the SIENA window, innovation and performance fuse to deliver an ideal solution for anyone seeking a modern design, high standards of thermal insulation and excellent value for money.

With its exceptional levels of thermal insulation, the SIENA window will help to keep energy consumption down.

The SIENA window was designed to cope with any climate, offering optimal protection against bad weather and keeping your home safe and comfortable at all times.

The vast array of colours and the option of having a window with concealed hardware and a small handle rosette makes the SIENA line one of the most attractive lineups in the Piva Group range.

Technical features

SYSTEM
The SIENA window is a thermal-break aluminium system designed to guarantee high levels of thermal insulation and energy efficiency. The system boasts a sturdy design and superior levels of resistance to the elements, making it an ideal choice for residential and commercial projects.

FIXED FRAME
The fixed frame has a minimum visible cross-section of 66 mm and a depth of 74 mm, offering structural stability an maximising the glazed pane which allows more light to come through and keeps electricity usage down.

SASH
The sash features a visible minimum cross-section of 65 mm and can accommodate panes up to 48 mm thick.

GLASS
The system supports glazed panes up to 48 mm thick, ensuring excellent thermal and acoustic insulation with sound reduction up to 48 dB.

HARDWARE
The standard PVC hardware is designed to guarantee extreme adjustability and ease of maintenance. The system is equipped with anti-burglary certification and offers excellent watertightness (up to 1500 Pa) as well as wind resistance (C5).

Strong points
  • Excellent thermal insulation: Thermal performance levels with Uw values up to 1.1 W/m²K.
  • Resistance to atmospheric agents: Water tightness up to 1500 Pa and C5 wind resistance.
  • Optimal acoustic insulation: Sound reduction up to 48 dB, ideal for silent settings.
  • Air permeability: Class 4 certification, guaranteeing effective protection against seepage.
  • Flexible aesthetics: Broad range of profiles, shapes and finishes for personalised solutions.

Types

Window

Optionals

Glass Hole / Cat Flaps / Ventilation

Glass openings for installing cat flaps, ventilation grilles, or dedicated passages, always ensuring safety and thermal insulation.
We use laminated safety glass and certified workmanship to maintain the strength of the window and its original aesthetic.

Customized solutions for:

  • Pets
  • Controlled natural ventilation
  • Customized entrances and passages

Functionality without sacrificing protection and design.

Alarm contacts

Our windows and doors can be equipped with invisible, integrated magnetic contacts for alarm systems.

These devices detect the opening of a window or door in real time, activating the security system even when the window is closed in the micro-ventilation position.

Advantages:

  • Discreet and non-invasive installation
  • Greater protection against break-in attempts
  • Compatibility with major alarm systems
  • No impact on the aesthetics of the window or door
  • Enhanced security, without compromising on style.

Crosspieces / Uprights

For large or stress-sensitive windows and doors, we use reinforcement crosspieces and uprights that increase the stability and structural strength of the frame.
In addition to ensuring solidity and durability, these elements are also designed to offer a harmonious aesthetic, maintaining clean lines, balanced proportions, and maximum brightness.

Functionality and design integrate seamlessly, for sturdy, elegant, and visually light windows and doors.

Motorizations

Our windows and doors can be equipped with motorized systems for the automatic opening and closing of windows, French doors, and blinds.
Quiet, reliable, and compatible with home automation and smart homes, they make daily use more convenient and safe.

Advantages:

  • Control via button, remote control, or app
    Ideal for high or hard-to-reach windows and doors
  • Compatible with home automation systems and weather sensors

Comfort and technology at the service of your home.

Optional handles

We offer handles in various shapes and finishes to match the style of your space and ensure a comfortable, fluid grip.
They integrate perfectly with your window or door, enhancing its aesthetics.

Advantages:

  • Wide selection of models and colors
  • Design coordinated with your window or door
  • Practical and comfortable to use

A simple detail that makes a difference every day.

Optional locks

We offer locks and additional locking systems designed to enhance the practicality and security of your window or door.
They are available in various configurations, including electric and electronic solutions, such as automatic locking or integration with home automation systems.

Advantages:

  • Greater ease of use
  • Electric or smart control options
  • Customizable solutions for every need

Technology and security, for simple and reliable control.

Optional frames

We offer additional and customized frames to best adapt the window to any installation situation.
Solutions such as Z-, L-, or oversized frames allow you to compensate for out-of-squareness, improve insulation, and ensure a solid fixing without invasive masonry work.

Advantages:

  • Quicker and cleaner installation
  • Improved thermal and acoustic insulation
  • Adaptability for renovations and new construction

Customized solutions for precise, efficient, and long-lasting installation.

Complementary profiles

We offer complementary profiles designed to finish and complete window and door installations, improving insulation, sealing, and integration with the masonry.
Depending on your needs, we offer architraves, box profiles, flat profiles, corner profiles, and other custom solutions, ideal for ensuring a clean, precise, and long-lasting installation in both renovations and new construction.

Advantages:

  • Better thermal and acoustic insulation
  • Technical and functional finishing of the window and door frame
  • Adaptability to various installation types

Functional details that complement the window and door frame, combining performance and construction quality.

Panels

We offer insulating and decorative panels for doors and entrance doors, available in various finishes, thicknesses, and materials.
They guarantee high thermal insulation, durability, and a customizable aesthetic, blending seamlessly with the style of the room.

Advantages:

  • Excellent insulation and durability
  • Wide selection of colors and textures
  • Coordinated interior and exterior finishes

Functionality and design, perfectly integrated into the window and door frame.

Glasses

We offer high-performance insulating glass, designed to provide thermal comfort, noise reduction, and increased safety.
Available in numerous finishes, our glass can be low-emissivity, selective, laminated safety, acoustic, reflective, or decorative.
Upon request, we also offer satin, opaque, sandblasted, or special finishes for a customized look.

Benefits:

  • Better insulation and energy savings
  • Protection, safety, and impact resistance
  • A wide selection of lighting and aesthetic solutions

Technology and transparency combine to create more efficient, comfortable, and safe environments.

Do you want to receive more information about Siena?
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Aluminium Catalogue