Kerttu

The house is based on a high-strength Light Gauge Steel (LGS) frame.

• Material: Galvanized steel (Z275), protecting against corrosion for 50+ years.
• Profile: 150mm reinforced C-sections.
• Precision: Factory-assembled with 1mm tolerance.
• Weight: ~30% lighter than wood, reducing foundation costs.

Designed for year-round living in Nordic climates (-30°C to +40°C).

• Wall Insulation: 150mm Mineral Wool + PIR boards.
• Membranes: Tyvek® wind and vapor barriers included.
• Rating: Energy Class A/B compliant.
• Soundproofing: Acoustic barrier up to 45dB.

Floor-to-ceiling windows create a seamless connection with nature.

• Type: Triple-glazed units (3 layers).
• Frame: PVC or Aluminum (anthracite grey).
• Safety: Toughened safety glass inside and out.
• UV Protection: Low-E coating to reflect summer heat.