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Esperia Life 74 ALU

The Esperia Life 74 ALU is a modern wood-aluminum window system from Eko-Okna, designed for energy efficiency, durability, and aesthetic flexibility. Here’s a detailed technical overview:The modern window system with the smallest construction depth of the profile from the whole Esperia Life line. Wood and aluminum profile and the ability to use “thicker” glass allow the energy efficiency of this profile.

The above Uw value is given for a reference window size of 1230 x 1480 mm with 4th/18Ar/4/18Ar/4th glass, wood type: pine

Technical Specifications

  • Construction (installation) depth: 74 mm
  • Glazing / glass unit thickness: up to 48 mm
  • Profile type: Wood-Aluminium (wood inside, aluminum outer shell)
  • Wood composition: 4 layers of glued / laminated wood
  • Coating / finish: 4-layer paint / lacquer coating
  • Timber types: pine, spruce, meranti, oak are among available wood species
  • Thermal performance: Uw ≈ 0.8 W/m²K (for Ug = 0.5)
  • Number of sealing levels (gaskets): 3 gaskets