FOLZEN KOREA NewsFOLZEN KOREA
Folzen Korea’s 90mm System Door (32T) Achieves a Thermal Transmittance of 1.087 W/㎡·K and Earns Airtightness Grade 1!!
- 2026-04-30 14:39:20
- 2
Hello, this is Folzen Korea.
Folzen Korea’s 90mm System Door (32T) has officially obtained certified test reports,
demonstrating enhanced performance through accredited testing.
The product achieved a thermal transmittance of 1.087 W/㎡·K, and by applying 32T triple glazing,
it has also earned Airtightness Grade 1 in the energy efficiency equipment test.

This achievement is the result of Folzen Korea’s continuous efforts in technological
development and quality improvement, and serves as another opportunity to reaffirm our product competitiveness.
Moving forward, Folzen Korea will continue its commitment to research and development,
providing even more reliable products and high-quality premium folding door solutions.
Thank you.


