SIST EN ISO 10077-2:2017/A1:2025 PDF
Thermal performance of windows, doors and shutters - Calculation of thermal transmittance - Part 2: Numerical method for frames - Amendment 1 (ISO 10077-2:2017/Amd1:2024)
Thermal performance of windows, doors and shutters - Calculation of thermal transmittance - Part 2: Numerical method for frames - Amendment 1 (ISO 10077-2:2017/Amd1:2024)
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 23
- Дата публикации:
- 5 февраля 2025 г.
- Издание:
- (ISO 10077-2:2017/Amd1:2024)
- ICS:
- 91.060.50
Abstract
Overview
EN ISO 10077-2:2017/A1:2025 is Amendment 1 to ISO 10077-2:2017 - the internationally used method for calculating the thermal transmittance (U‑value) of window, door and shutter frames using numerical modelling. Prepared under ISO/TC 163 and adopted by CEN, this amendment (/Amd1:2024) was approved by CEN on 8 November 2024 and published as EN /A1:2025. The update refines figures, example cases and input keys to improve clarity and alignment with EPB (Energy Performance of Buildings) standards.
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