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PS 2252-1-2025
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Thermal performance of windows and doors — Determination of thermal transmittance by the hot-box method — Part 1: Complete windows and doors
Committee:
Construction products
Sector:
Construction and Building
Available Standards
Original Standard
إنجليزي (English)
64
Page
2025
International Classification for Standards (ICS)
| Code | Classification |
|---|---|
| 91.060.50 | Doors and windows |
| 91.120.10 | Thermal insulation of buildings |
Adopted Standards
| Standards / Amendment / Corrigendum | |
|---|---|
| 1 | ISO 12567-1:2010 |
| 2 | Cor 1:2010 |
Replacement Sequence
| Replaces |
|---|
| PS 2252-1-2019 |
Scope
This part of PS 2252 specifies a method to measure the thermal transmittance of a door or window system.
It is applicable to all effects of frames, sashes, shutters, blinds, screens, panels, door leaves and fittings.
It is not applicable to
⎯ edge effects occurring outside the perimeter of the specimen,
⎯ energy transfer due to solar radiation on the specimen,
⎯ effects of air leakage through the specimen, and
⎯ roof windows and projecting products, where the external face projects beyond the cold side roof surface.
NOTE For roof windows and projecting units, see the procedure given in PS 2252 part 2.
Annex A gives methods for the calculation of environmental temperatures.