Libre House

Country

Portugal

Architecture

Mário Martins Atelier

Photography

FG + SG - Fotografia de Arquitectura

About the project

Libre House, designed by Mário Martins, exemplifies an impressive combination of lightness and precision, wherein architecture and landscape integrate into a cohesive and fluid composition. Characterized by its distinctively sharp roofline, the structure extends outward, producing a dramatic cantilever that enhances openness and shelter. The exposed concrete, natural wood, and expansive glass mirror the raw beauty of the surrounding environment, allowing the residence to coexist harmoniously with the coastal topography. Each element is distilled to its fundamental form, reinforcing a minimalist vision that emphasizes spatial purity and unobstructed vistas.

Central to this experience of transparency and continuity are the OTIIMA Plus windows, which eliminate physical boundaries through their floor-to-ceiling glazing. These ultra-slim profiles frame the infinite horizon while ensuring exceptional thermal and structural performance, thus addressing the region’s challenging climate conditions.

Compare products

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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