The Women of Bauhaus

Over a century after its founding, the Bauhaus still influences how we think about design, architecture, and the built environment. Its legacy is everywhere: in clean lines, purposeful form, and the radical idea that beauty and function are inseparable. But there’s a story within that story that rarely gets told the way it deserves. The […]

The windows of Siza by Mário Martins

In the latest edition of the OTIIMA Journal, architect Mário Martins invites us to look beyond the obvious and rediscover one of architecture’s most elemental features: the window. In his article “The Windows of Siza,” he reflects on the mastery of Álvaro Siza Vieira, whose work transforms openings into light and meaning. Now available in […]

Smiljan Radić Clarke Wins the 2026 Pritzker Architecture Prize

Smiljan Radić Clarke, the Santiago-based architect, has been named the 2026 Laureate of the Pritzker Architecture Prize, architecture’s highest international honor. Radić’s work is celebrated for its originality, sensitivity to context, and emotional resonance.  Radić approaches each project as a unique inquiry. He avoids a repetitive style, instead responding to the specific history, culture, and conditions of […]

Architecture as a leading role in film

Architecture in film does more than provide a visual backdrop. In many cases, the design of spaces, like houses, cities, interiors, and structures, becomes a narrative driver. Spatial decisions reveal character, context, class, social dynamics, and even emotional states. This Oscars season, we highlight six films in which architecture is essential to the storytelling.  1. […]

The impact of minimal window design on modern living

A window is one of the most impactful architectural elements in a house. It dictates how natural light enters a space, how views are framed, and how comfortable the interior feels throughout the year.When thoughtfully designed, a new window system improves daily life.  Rethinking the Window: From Opening to Experience Replacing or upgrading a window […]

The New Luxury is Staying Home

For decades, luxury was defined by first-class flights, five-star resorts, and private members’ clubs. It was all about the privilege of going somewhere else.  Today, however, that definition has changed. The new luxury is staying home.  In a world that moves faster every day, true luxury is having a space that allows you to slow […]

How Scale, Proportion, and Natural Light Influence Architectural Emotion

In architecture, emotion is designed. Long before a space is described as beautiful, serene, or powerful, it is experienced through the body and the senses. This experience is sustained by foundational architectural principles that have endured across centuries: scale, proportion, and light.  These pillars are not mere stylistic choices; instead, they serve as technical and […]

A Simple Guide to Le Corbusier: The Father of Modern Architecture

Le Corbusier is one of the most influential architects of the 20th century. His work transformed the way we design buildings, homes, and cities. If you are curious about modern architecture or want to understand the principles of minimalist design, this guide introduces you to Le Corbusier’s life, ideas, and legacy.   Who was Le […]

The Beauty of Imperfection: Wabi-Sabi in Architecture

In a world driven by precision and perfection, wabi-sabi invites us to pause. To see beauty not in flawlessness, but in the irregularities that make something real. Rooted in Japanese philosophy, wabi-sabi celebrates the impermanent, the incomplete, and the imperfect, qualities that mirror life itself.  In architecture, this approach changes how we experience space. Instead […]

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Compare products easily by analyzing features and specifications side by side to find the best option for your needs.

thermal-transmittance

Thermal transmittance

watertightness

Watertightness

air-permeability

Air permeability

wind-resistance

Wind resistance

insulation

Acoustic insulation

security

Resistance class

thermal-transmittance

Thermal Transmittance

Uw 1.87 W / m2 K (26mm)
Uw 1.58 W / m2 K (38mm)
Uw 1.07 W / m2 K (54mm)

watertightness

Watertightness

ISO EN 12208 + ISO EN 1027

up to E900 (26mm)
up to E1050 (38mm)
up to E1200 (54mm)
air-permeability

Air permeability

ISO EN 12207 + ISO EN 1026

up to Class 3 (26mm)
up to Class 4 (38mm)
up to Class 4 (54mm)
wind-resistance

Wind resistance

ISO EN 12210 + ISO EN 12211

Class B3 (26mm)
Class C5 (38mm)
Class B4 (54mm)
insulation

Sound insulation

ISO EN 10140 + ISO EN 717

up to 42 db
security

Security

ISO EN 1628 + ISO EN 1629 + ISO EN 1630

RC2: (WK2) *1
thermal-transmittance

Thermal Transmittance

Uw 1.56 W / m2 K (38mm)
Uw 1.06 W / m2 K (54mm)
Uw 0.89 W / m2 K (62mm)

watertightness

Watertightness

ISO EN 12208 + ISO EN 1027

up to E1200 (38 mm)
air-permeability

Air permeability

ISO EN 12207 + ISO en 1026

up to Class 4 (38 mm)
wind-resistance

Wind resistance

ISO EN 12210 + ISO EN 12211

Class B5 (38 mm)
insulation

Sound insulation

ISO EN 10140 + ISO EN 717

up to 38 db
security

Security

ISO EN 1628 + ISO EN 1629 + ISO EN 1630

RC2: (WK2) *1
thermal-transmittance

Thermal Transmittance

Uw 1.61 W / m2 K (38mm)
Uw 1.08 W / m2 K (54mm)

watertightness

Watertightness

ISO EN 12208 + ISO EN 1027

up to E1650 (38 mm)
air-permeability

Air permeability

ISO EN 12207 + ISO EN 1026

up to Class 4 (38 mm)
wind-resistance

Wind resistance

ISO EN 12210 + ISO EN 12211

Class C5 (38 mm)
insulation

Sound insulation

ISO EN 10140 + ISO EN 717

up to 40 db
security

Security

ISO EN 1628 + ISO EN 1629 + ISO EN 1630

RC2: (WK2) *1
thermal-transmittance

Thermal Transmittance

Uw 1.55 W / m2 K (38mm)
Uw 1.07 W / m2 K (54mm)

watertightness

Watertightness

ISO EN 12208 + ISO EN 1027

up to Class 8A (38 mm)
up to Class 8A (54mm)
air-permeability

Air permeability

ISO EN 12207 + ISO en 1026

up to Class 3 (38 mm)
up to Class 4 (54mm)
wind-resistance

Wind resistance

ISO EN 12210 + ISO EN 12211

Class B3 (38 mm)
Class C4 (54mm)
insulation

Sound insulation

ISO EN 10140 + ISO EN 717

up to 38 db
security

Security

RC2: (WK2) 2

RC2: (WK2) *1

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