Cart (0)
  • No items in cart.
Total
$0
There is a technical issue about last added item. You can click "Report to us" button to let us know and we resolve the issue and return back to you or you can continue without last item via click to continue button.
Home
Content
Tour
eLibrary
Store
Search book title
Filters:
BOOKS
All Books
PACKAGES
All Packages
EDITION
to
PUBLISHER
AABC
(1)
AAMI
(338)
ACI
(617)
AECDAILY
(599)
AISC
(55)
ASA
(234)
ASCE
(1006)
ASHRAE
(696)
ASME
(2183)
ASSE
(117)
ASTM
(95207)
AWC
(63)
AWWA
(575)
BHMA
(124)
BICSI
(33)
BIFMA
(21)
BOMA
(20)
BSI
(95735)
CRSI
(17)
IAHSS
(1)
IAPMO
(374)
ICC
(324)
IEEE
(7050)
IES
(241)
ISEA
(21)
Joint Commission
(184)
Joint Commission Int.
(1)
NETA
(6)
NFPA
(1667)
TCNA
(18)
TMS
(19)
USGBC
(28)
WILEY
(4)
 
AR
(6)
AZ
(7)
CA
(115)
CT
(3)
FL
(57)
ID
(5)
IL
(5)
IN
(1)
KY
(1)
LA
(2)
MI
(25)
MN
(27)
NC
(27)
NJ
(13)
NY
(61)
OH
(24)
OR
(22)
PA
(7)
RI
(8)
SC
(20)
SD
(1)
TX
(3)
VA
(50)
VT
(6)
WA
(33)
CONTENT TYPE
 Act
 Admin Code
 Announcements
 Bill
 Book
 CADD File
 CAN
 CEU
 Charter
 Checklist
 City Code
 Code
 Commentary
 Comprehensive Plan
 Conference Paper
 County Code
 Course
 DHS Documents
 Document
 Errata
 Executive Regulation
 Federal Guideline
 Firm Content
 Guideline
 Handbook
 Interpretation
 Journal
 Land Use and Development
 Law
 Legislative Rule
 Local Amendment
 Local Code
 Local Document
 Local Regulation
 Local Standards
 Manual
 Model Code
 Model Standard
 Notice
 Ordinance
 Other
 Paperback
 PASS
 Periodicals
 PIN
 Plan
 Policy
 Product
 Product - Data Sheet
 Program
 Provisions
 Requirements
 Revisions
 Rules & Regulations
 Standards
 State Amendment
 State Code
 State Manual
 State Plan
 State Standards
 Statute
 Study Guide
 Supplement
 Sustainability
 Technical Bulletin
 All
  • BSI
    BS EN 673:2024 Glass in building. Determination of thermal transmittance (U value). Calculation method
    Edition: 2024
    $428.79
    / user per year

Description of BS EN 673:2024 2024

This document specifies a calculation method to determine the thermal transmittance of glass with flat and parallel surfaces. This document applies to uncoated glass (including glass with structured surfaces, e.g. patterned glass), coated glass and materials not transparent in the far infrared which is the case for soda lime glass products, borosilicate glass, glass ceramic, alkaline earth silicate glass and alumino silicate glass. It applies also to multiple glazing comprising such glasses and/or materials. It does not apply to multiple glazing which include in the gas space sheets or foils that are far infrared transparent. The procedure specified in this document determines the U value (thermal transmittance) in the central area of glazing. The edge effects due to the thermal bridge through the spacer of an insulating glass unit or through the window frame are not included. Furthermore, energy transfer due to solar radiation is not taken into account. The effects of Georgian and other bars are excluded from the scope of this document. NOTE EN ISO 10077 1:2017 provides a methodology for calculating the overall U value of windows, doors and shutters [1], taking account of the U value calculated for the glass components according to this document. Also excluded from the calculation methodology are any effects due to gases that absorb infrared radiation in the 5 to 50 µm range. The primary purpose of this document is product comparison, for which a vertical position of the glazing is specified. In addition, U values are calculated using the same procedure for other purposes, in particular for predicting: - heat loss through glass; - conduction heat gains in summer; - condensation on glass surfaces; - the effect of the absorbed solar radiation in determining the solar factor [2]. Reference can be made to [3], [4] and [5] or other European Standards dealing with heat loss calculations for the application of glazing U values determined by this standard. Reference can be made to [6] for detailed calculations of U values of glazing, including shading devices. Vacuum Insulating Glass (VIG) is excluded from the scope of this document. For determination of the U value of VIG, please refer to EN 674 or ISO 19916-1. A procedure for the determination of emissivity is given in EN 12898. The rules have been made as simple as possible consistent with accuracy.

Standard NumberBS EN 673:2024
TitleGlass in building. Determination of thermal transmittance (U value). Calculation method
StatusDefinitive
Publication Date2024-11-27
ReplacesBS EN 673:2011
Identical National Standard OfEN 673
DescriptorsThermal insulation, Infrared radiation, Formulae (mathematics), Design, Dynamic viscosity, Specific heat, Construction systems parts, Temperature, Vertical, Density, Glazing, Air, Glass, Mathematical calculations, Thermal transmittance, Heat transfer coefficient, Heat transfer, Absorption, Thermal conductivity, Emission, Horizontal
ICS81.040.20 Glass in building, 91.040.20 Buildings for commerce and industry
CommitteeB/520
ISBN978 0 539 23718 4
PublisherBSI
Pages24
GROUPS
US LOCAL CODES
US Territory Code Adoptions / Amendments
District of Columbia
Guam
Northern Marianas Islands
Puerto Rico
US Virgin Islands
US State Code Adoptions / Amendments
AL AK AZ AR CA CO CT DE
FL GA HI ID IL IN IA KS
KY LA ME MD MA MI MN MS
MO MT NE NV NH NJ NM NY
NC ND OH OK OR PA RI SC
SD TN TX UT VT VA WA WV
WI WY       
X
01 02 03 04 05 06 07 08 09 10
11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
51 52 53 54 55 56 57 58 59 60
61 62 63 64 65 66 67 68 69 70
71 72 73 74 75 76 77 78 79 80
81 82 83 84 85 86 87 88 89 90
91 92 93 94 95 96 97 98 99 100