EN 951:1998

Door leaves - Method for measurement of height, width, thickness and squareness

This European standard applies to all rectangular door leaves and the measurable parameters of doors of other shapes. This standard specifies the method to be used to measure the dimensions of height, width and thickness, and defects of squareness of door leaves.

Türblätter - Meßverfahren zur Ermittlung von Höhe, Dicke und Rechtwinkligkeit

Diese Europäische Norm gilt für sämtliche rechtwinkligen Türblätter und für die meßbaren Parameter anderer Türformen. Diese Norm legt das anzuwendende Meßverfahren zur Ermittlung der Höhe, Breite und Dicke sowie von Abweichungen von der Rechtwinkligkeit von Türblättern fest.

Vantaux de portes - Méthode de mesure des hauteur, largeur, épaisseur et équerrage

Cette norme européenne s'applique à tous les vantaux rectangulaires et aux paramètres mesurables des portes d'autres formes. Cette norme définit la méthode à utiliser pour mesurer les dimensions en hauteur, largeur et épaisseur et les défauts d'équerrage des vantaux.

Vratna krila - Metoda merjenja višine, širine, debeline in pravokotnosti

General Information

• Status: Published
• Publication Date: 15-Dec-1998
• Withdrawal Date: 30-Dec-1999
• ICS: 91.060.50 - Doors and windows
• Technical Committee: CEN/TC 33 - Doors, windows, shutters and building hardware
• Drafting Committee: CEN/TC 33/WG 2 - Windows
• Current Stage: 9093 - Decision to confirm - Review Enquiry
• Start Date: 10-Jan-2023
• Completion Date: 11-Feb-2026
• Directive: Harmonized Standard305/2011 - Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec
• Directive:

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  Not Harmonized89/106/EEC - Construction products
• Mandate: M/101 - Mandate to CEN/CENELEC concerning the execution of standardization work for harmonized standards on doors, windows and related products
• Ref Project: SIST EN 951:2000 - Door leaves - Method for measurement of height, width, thickness and squareness

Relations

• Replaces: EN 25:1975 - Doors - Measurement of dimensions and of defects of squareness of door leaves
• Effective Date: 22-Dec-2008
• Referred By: EN 1294:2000 - Door leaves - Determination of the behaviour under humidity variations in successive uniform climates
• Effective Date: 28-Jan-2026
• Referred By: EN 1529:2021 - Door leaves - Height, width, thickness and squareness - Tolerance classes
• Effective Date: 28-Jan-2026
• Referred By: EN ISO 15874-2:2003 - Plastics piping systems for hot and cold water installations - Polypropylene (PP) - Part 2: Pipes (ISO 15874-2:2003)
• Effective Date: 28-Jan-2026
• Referred By: EN 16580:2015 - Windows and doors - Wetness and splash water proof door leaves - Test and classification
• Effective Date: 28-Jan-2026
• Referred By: EN 1529:1999 - Doors leaves - Height, width, thickness and squareness - Tolerance classes
• Effective Date: 28-Jan-2026

Overview

EN 951:1998 - Door leaves - Method for measurement of height, width, thickness and squareness is a European standard developed by CEN. This standard outlines a consistent methodology for measuring the physical dimensions and squareness of door leaves. The guidance applies broadly to all rectangular door leaves and provides practical instructions for assessing the measurable parameters of doors of alternative shapes. By establishing standardized measurement methods, EN 951:1998 supports quality control, regulatory compliance, and interoperability in the design, manufacture, and installation of doors.

Key Topics

• Dimensional Measurement: The standard rigorously specifies how to measure the height, width, and thickness of door leaves, ensuring results are accurate and reproducible.
• Squareness Assessment: EN 951:1998 defines how to evaluate the squareness (right-angled corners) of door leaves, a critical attribute for proper fitting and reliable operation.
• Applicability: Although the standard focuses on rectangular doors, it also offers guidance for the measurement of doors and door leaves of other shapes, enhancing its practical scope.
• Uniform Methodology: By following the procedures in EN 951:1998, organizations can achieve reliable, consistent dimensional data across varied projects, supporting both manufacturing standards and building regulations.

Applications

EN 951:1998 plays an essential role across several industries tied to doors and windows. Key practical applications include:

• Manufacturing Quality Control: Door manufacturers rely on the standard to inspect finished products, ensuring that door leaves meet specified tolerances for height, width, thickness, and right-angle geometry.
• Architectural Design and Construction: Architects, builders, and installers use standardized measurement methods to verify that door leaves fit specified apertures and function as intended once installed.
• Building Compliance: Adhering to EN 951:1998 helps ensure products and completed projects meet European building codes, supporting acceptance in public and private sector construction.
• Product Certification: Organizations seeking product certifications or marks of conformity may reference this standard to demonstrate compliance with dimensional requirements.

Related Standards

For comprehensive door and window standardization and enhanced interoperability, the following European and international standards are relevant:

• EN 25:1996 - Related to terminology and general requirements for doors.
• EN 1529 - Doors - Terminology.
• EN 1935 - Building hardware – Single-axis hinges for windows and doors.
• EN 14351-1 - Windows and doors - Product standard, performance characteristics.
• ISO 9424 - Measurement procedures for doors and windows.

Together, these standards support end-to-end quality assurance, technical specification, and product selection for professionals working with doors and door leaves.

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By following EN 951:1998, organizations across Europe ensure their door leaves meet recognized benchmarks for dimensional accuracy and squareness. This consistency benefits manufacturers, installers, and end-users, supporting reliable installation, regulatory compliance, and long-term building performance.

Standards Content (Sample)

SLOVENSKI STANDARD
01-maj-2000
1DGRPHãþD
SIST EN 25:1996
Vratna krila - Metoda merjenja višine, širine, debeline in pravokotnosti
Door leaves - Method for measurement of height, width, thickness and squareness
Türblätter - Meßverfahren zur Ermittlung von Höhe, Dicke und Rechtwinkligkeit
Vantaux de portes - Méthode de mesure des hauteur, largeur, épaisseur et équerrage
Ta slovenski standard je istoveten z: EN 951:1998
ICS:
91.060.50 Vrata in okna Doors and windows
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni do
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