BSI 24/30480623 DC 2024

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BS EN 14501:2021/prA1 Blinds and shutters – Thermal and visual comfort -Performance characteristics and classification

Published By	Publication Date	Number of Pages
BSI	2024	16

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Categories: 91.060.50 - Doors and windows, BSI

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Description

This document applies to the whole range of shutters, awnings and blinds defined in EN 12216, described as solar protection devices in this document. It specifies the corresponding properties and classifications: – relating to thermal comfort: – the solar factor (total solar energy transmittance); – the secondary heat transfer factor; – the direct solar transmittance; – relating to visual comfort: – the darkening performance; – the night privacy; – the visual contact with the outside; – the glare control; – the daylight utilization; – the rendering of colours. NOTE For other purposes, more detailed methods using different parameters can be used. Some of the characteristics (e.g. gtot) are not applicable when solar protection devices are not parallel to the glazing (e.g. folding-arm awnings). This document is not applicable to the solar protection devices using fluorescent materials.

Additional information

Status	Definitive
Pages	16
Publication Date	2024-03-21
Standard Number	24/30480623 DC
Title	BS EN 14501:2021/prA1 Blinds and shutters – Thermal and visual comfort -Performance characteristics and classification
Identical National Standard Of	EN 14501:2021/prA1
Descriptors	Blinds, Thermal comfort, Optical properties of materials, Performance testing, Performance, Awnings, Sunshading, Solar radiation, Energy transfer, Heat transfer, Shutters (buildings)
Publisher	BSI
Committee	B/538/1
ICS Codes	91.060.50 - Doors and windows

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BSI 24/30480623 DC 2024

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