Windows and doors: Resistance to snow and permanent load

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Categories: Performance : Windows & Doors

The performance characteristics listed below are relevant to products covered by EN 14351-1 Windows and doors - Product standard, performance characteristics - Part 1: Windows and external pedestrian doorsets without resistance to fire and/or smoke leakage characteristics

This requirement applies to:

Roof windowsYes

Doorsets and openable windows with fire resisting and/or smoke control characteristics are covered by EN 14600

Pedestrian doorsets, industrial, commercial, garage doors and windows are covered by prEN 16034


The Manufacturer should declare the nature of the infill to the roof window (It is for the Specifier/customer to decide whether the load carrying capacity of the roof window is adequate).

In the case of glass the glazing configuration should be given showing the thickness and type of glass in each ply.