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NEN EN 14221 : 2006
Current
The latest, up-to-date edition.
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TIMBER AND WOOD-BASED MATERIALS IN INTERNAL WINDOWS, INTERNAL DOOR LEAVES AND INTERNAL DOORFRAMES - REQUIREMENTS AND SPECIFICATIONS
12-01-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements
5 Appearance
5.1 Characteristics
5.2 Appearance classes
5.2.1 General
5.2.2 Finger jointing, end jointing, edge jointing and
laminating
5.3 Adhesives and repair compounds
5.4 Slope of grain
5.5 Repairs
5.5.1 Features
5.5.2 Plugs
5.5.3 Filler
5.6 Wood-based products
6 Biological durability
7 Moisture content
8 Surface finish
9 Density
Annex A (normative) Quality recommendations for elements in
internal windows, door leaves and internal doorframes
Bibliography
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