BS 4873:1986

Foreword
Committees responsible
Specification
1 Scope
2 Definitions
3 Window types and handling
4 Materials
5 Construction
6 Work sizes and manufacturing tolerances
7 Glazing
8 Security
9 Safety
10 Weathertightness performance
Appendices
A Advisory notes on materials and construction
B Optional features
C Recommendations for marking
Table
1 Exposure categories
Figures
1 Window types and handing
2 Illustrations of window types and handling for
    working drawings

Describes materials, construction, finishes, hardware and weathertightness requirements for aluminium alloy windows and double windows intended to be installed vertically. Includes glass and glazing. Windows that are used for replacement purposes and those that have thermally improved frames are included. Includes windows in which any frame member is longer than 3 m, fixed louvres, secondary windows applied to convert existing windows into double or coupled windows, windows with frames designed to be glazed with glass and the thermal properties of thermally improved frames. Includes definitions, window types and handing, materials, construction, work sizes and manufacturing tolerances, security, safety, advice on materials and construction, table of exposure categories and figures.