This European Standard specifies principle material requirements for timber and wood-based products in external windows, external door leaves and external doorframes (with or without fixed parts), including those relating to appearance, biological durability and other physical characteristics.This European Standard applies to assembled windows, external door leaves and external doorframesuncoated or intended to be coated.If windows or doors are covered by other decorative veneers or films their respective veneer of film Product Standard shall apply.NOTE For example: Timber veneers may be graded to EN 635: Parts 1, 2, 3 and 5, and ENV 635-4.
DS/EN 14220:2007 history
2007DS/EN 14220:2007 Timber and wood-based materials in external windows, external door leaves and external doorframes - Requirements and specifications