BS EN 1873 specifies requirements for rooflights made of plastic materials (e.g. GF-UP, PC, PMMA, PVC) and roof lights with upstands made of e.g. GF-UP, PVC, steel, aluminium or wood for installation in roofs. These roof lights serve the purpose of introducing daylight.
BS EN 1873 applies to rooflights with a rectangular or circular ground plan (see Figures 1 and 2), with an opening span (width) or diameter not larger than 2,5 m and an opening length not larger than 3,0 m in roof pitches up to 25°.
Note-
BS EN 1873 does not cover roof lights that contribute to the load-bearing or stiffness of the roof itself.
BS EN 1873 does not cover roof lights that contribute to the load-bearing or stiffness of the roof itself.
BS EN 1873 does not include calculations with regard to construction, design requirements and installation techniques.
BS EN 1873 on rooflights of plastics is useful for:
Rooflight is a building component used to introduce daylight which consists of a translucent part and associated edge profiles, if applicable
BS EN 1873 provides all components of the rooflight with an upstand, which are bought in a single purchase.
BS EN 1873 specifies construction materials that are mutually compatible and suitable for respective purposes.
Overall, BS EN 1873 helps you to improve the durability of roof lights
BS EN 1873:2014+A1:2016 supersedes BS EN 1873:2014 which is withdrawn.
EN 1873:2014+A1:2016