Thermal performance of windows, doors and shutters. Calculation of thermal transmittance Numerical method for frames

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

11-30-2017

Publisher

British Standards Institution

This document specifies a method and gives reference input data for the calculation of the thermal transmittance of frame profiles and of the linear thermal transmittance of their junction with glazing or opaque panels.

The method can also be used to evaluate the thermal resistance of shutter profiles and the thermal characteristics of roller shutter boxes and similar components (e.g. blinds).

This document also gives criteria for the validation of numerical methods used for the calculation.

This document does not include effects of solar radiation, heat transfer caused by air leakage or three-dimensional heat transfer such as pinpoint metallic connections. Thermal bridge effects between the frame and the building structure are not included.

NOTE Table1 in the Introduction shows the relative position of this document within the set of EPB standards in the context of the modular structure as set out in ISO 52000-1.

Committee	B/540/2
DevelopmentNote	Supersedes 98/109929 DC (11/2004) Supersedes 09/30196505 DC. (04/2012) Supersedes 15/30323246 DC. (11/2017)
DocumentType	Standard
Pages	86
PublisherName	British Standards Institution
Status	Current
Supersedes	BS EN ISO 10077-2:2012

Standards	Relationship
NEN EN ISO 10077-2 : 2017	Identical
UNI EN ISO 10077-2 : 2012	Identical
DIN EN ISO 10077-2:2015-08 (Draft)	Identical
NF EN ISO 10077-2 : 2013	Identical
EN ISO 10077-2:2017	Identical
ISO 10077-2:2017	Identical
NBN EN ISO 10077-2 : 2012	Identical
I.S. EN ISO 10077-2:2012	Identical
NS EN ISO 10077-2 : 2017	Identical

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ISO 10211:2017	Thermal bridges in building construction — Heat flows and surface temperatures — Detailed calculations
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ISO 12631:2017	Thermal performance of curtain walling — Calculation of thermal transmittance
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EN 13556:2003	Round and sawn timber - Nomenclature of timbers used in Europe
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ISO 12567-2:2005	Thermal performance of windows and doors Determination of thermal transmittance by hot box method Part 2: Roof windows and other projecting windows
EN 12412-2:2003	Thermal performance of windows, doors and shutters - Determination of thermal transmittance by hot box method - Part 2: Frames
EN 12664:2001	Thermal performance of building materials and products - Determination of thermal resistance by means of guarded hot plate and heat flow meter methods - Dry and moist products of medium and low thermal resistance
ISO 10456:2007	Building materials and products — Hygrothermal properties — Tabulated design values and procedures for determining declared and design thermal values
ISO/TR 52000-2:2017	Energy performance of buildings Overarching EPB assessment Part 2: Explanation and justification of ISO 52000-1
ISO 6946:2017	Building components and building elements — Thermal resistance and thermal transmittance — Calculation methods
ISO 10077-1:2017	Thermal performance of windows, doors and shutters — Calculation of thermal transmittance — Part 1: General
ISO/TR 52022-2:2017	Energy performance of buildings Thermal, solar and daylight properties of building components and elements Part 2: Explanation and justification
ISO 7345:1987	Thermal insulation Physical quantities and definitions
ISO 10292:1994	Glass in building — Calculation of steady-state U values (thermal transmittance) of multiple glazing