CEN/TC 128

Date: 2025-06-05

prEN 507:2025

Secretariat: NBN

Roof and cladding products from metal sheet — Specification for fully supported products of aluminium sheet

Dachdeckungs-und Wandbekleidungselemente aus Metallblech — Festlegungen für vollflächig unterstützte Bedachungselemente aus Aluminiumblech

Produits de couverture et bardage en tôle métallique — Spécification pour les produits de couverture en feuille d'aluminium totalement supportés

ICS: 91.060.20

Descriptors:

Contents Page

European foreword 3

Introduction 4

1 Scope 5

2 Normative references 5

3 Terms, definitions, symbols and abbreviations 6

3.1 Terms and definitions 6

3.2 Symbols and abbreviations 6

4 Requirements 7

4.1 General 7

4.2 Materials 7

4.2.1 Aluminium 7

4.2.2 Organic coatings 8

4.2.3 Anodizing 9

4.3 Products 9

4.3.1 Flat products 9

4.3.2 Formed (prefabricated) products 9

4.3.3 Safety in case of fire 9

5 Sampling and test methods 10

5.1 Flat products 10

5.2 Formed (prefabricated) products 10

5.2.1 Sampling 10

5.2.2 Testing 10

6 Designation 10

7 Marking, labelling and packaging 10

7.1 Marking and labelling 10

7.2 Packaging and any special ordering conditions 11

7.3 Transport, storage and handling 11

Bibliography 12

European foreword

This document (prEN 507:2025) has been prepared by Technical Committee CEN/TC 128 “Roof covering products for discontinuous laying and products for wall cladding”, the secretariat of which is held by NBN.

This document is currently submitted to the CEN Enquiry.

This document will supersede EN 507:2019.

prEN 507:2025 includes the following significant technical changes with respect to EN 507:2019:

The list of aluminium alloys suitable for roofing and cladding products has been extended.

These changes or additions can be found in the following sections: 4.2.1.

Introduction

Figure 1 indicates the position of this document in the CEN framework of standards concerning roofing and cladding products of metal sheet.

Figure 1 — Framework of standards

In this document the performance of the product has been defined in terms of a number of type tests.

The performance of a roof or cladding constructed with these products depends not only on the properties of the product as it is required by this document, but also on the design, construction and performance of the roof or the cladding as a whole in relation to the environment and conditions of use.

Metallic coated aluminium sheet can be easily fabricated. It can be sheared, punched, pressed, drawn, folded, roll-formed without difficulty within the given limits of the properties listed in the respective material specifications.

Coil coated sheet can be fabricated like metallic coated aluminium sheet in most applications, but minimum bend radius, design of forming tools, process temperature etc are chosen according to material properties.

This document specifies requirements for roofing and cladding products used for assembly into coverings for wall claddings, linings and pitched roofs, made from aluminium sheet with or without additional surface treatment (organic coating or anodising).

This document establishes general characteristics, definitions and labelling of the products, together with requirements for the materials from which the products can be manufactured. It is intended to be used either by manufacturers to ensure that their products comply with the requirements or by purchasers to verify that the products comply before they are despatched from the factory. It specifies the requirements for products which enable them to meet all normal service conditions. Products can be prefabricated or semi-formed products as well as strip, coil and sheet for on-site-formed applications (e.g. standing seam roofs).

This document applies to all discontinuously laid and fully supported roofing and cladding products made of aluminium sheets. No requirements for supporting construction, design of roof system and execution of connections and flashings are included.

This document does not apply to self-supporting aluminium sheets that are covered by EN 508‑2:—.

The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

EN 485‑1, Aluminium and aluminium alloys — Sheet, strip and plate — Part 1: Technical conditions for inspection and delivery

EN 485‑2, Aluminium and aluminium alloys — Sheet, strip and plate — Part 2: Mechanical properties

EN 485‑4, Aluminium and aluminium alloys — Sheet, strip and plate — Part 4: Tolerances on shape and dimensions for cold-rolled products

EN 1396, Aluminium and aluminium alloys — Coil coated sheet and strip for general applications — Specifications

EN 10204, Metallic products — Types of inspection documents

EN ISO 7599, Anodizing of aluminium and its alloys — General specifications for anodic oxidation coatings on aluminium (ISO 7599)

For the purposes of this document, the terms and definitions given in EN 485‑1 and the following apply.

ISO and IEC maintain terminology databases for use in standardization at the following addresses:

— ISO Online browsing platform: available at https://www.iso.org/obp/

— IEC Electropedia: available at https://www.electropedia.org/

NOTE Wherever the term aluminium is used it is meant unalloyed or alloyed aluminium.

3.1.1

fully supported

installation conditions such that the bottom flat portions of the products are supported by a continuous construction

3.1.2

temper

material conditions after a production stage, for example mechanical treatment and/or heat treatment, intended to give the material physical and/or metallurgical properties

[SOURCE: EN 508‑2:—, definition 3.2.1]

3.1.3

organic coated aluminium sheet

painted, post coated, laminated or coil coated (continuously organic coated) aluminium on one or on both sides

[SOURCE: EN 508‑2:—, definition 3.2.2]

3.1.4

anodised aluminium sheet

aluminium with an anodic coating, produced by an electrolytic oxidation process in which the surface of the aluminium is converted to a mainly oxide coating having protective, decorative or functional properties

For the purposes of this document, the following symbols and abbreviations apply.

The product shall be manufactured from materials complying with 4.2.

The supplier of the materials is responsible for carrying out the tests necessary to verify that the materials supplied to the manufacturer comply with the requirements and should provide appropriate inspection documents (according to EN 10204) on request.

NOTE The symbols and abbreviations to be used to designate the aluminium alloys, the type and thickness of the organic coating are specified according to EN 1396.

A permanent quality control system shall be adopted by the manufacturer.

Quality control system should be based on the relevant standard of the EN ISO 9001.

Table 1 lists aluminium alloys that are suitable without further proof provided their properties conform to the values given in the respective material standards (EN 485-2 or EN 1396).

Table 1 — Alloys of aluminium

Alloy and temper shall be chosen to give corrosion resistance, strength and formability. Specification of alloy and temper shall be agreed at the time of ordering.

The main organic coatings suitable for application to aluminium substrates within the scope of this document are given in Table 2.

Table 2 — Factory applied organic coatings

NOTE Aluminium sheets are used either without organic coatings or with organic coatings mainly for aesthetic reasons.

Different coating systems behave in different ways under various climatic conditions. The primer and/or adhesive should be chosen taking into account which type of substrate, pre-treatment and top coat are used.

Reverse side painting or coating should be chosen as appropriate it being required for handling, storage and for corrosion protection in some installation conditions.

Performance requirements and test methods for coil coated aluminium shall be in accordance with EN 1396.

Special coatings or films may be applied to the reverse side to reduce the dripping of moisture caused by condensation.

Roofing and cladding products may have also anodised surfaces.

Performance and test methods for anodised aluminium shall be in accordance with EN ISO 7599.

Mechanical properties

The mechanical properties shall be in accordance with:

— EN 1396 for products with an organic coating;

— EN 485‑2 for products without organic coating or anodised products.

Dimensions and tolerances

Dimensions and tolerances shall be in accordance with in EN 485‑4.

The minimum nominal thickness (excluding organic coatings) shall be as follows:

— for fully supported coverings : 0,6 mm;

— for clips (fixing clips, sliding clips) : 0,7 mm;

— for line-fixing strips : 0,7 mm.

The recommended minimum nominal thickness (excluding thickness of organic coatings), if not calculated or tested under service conditions, such as wind, snow and maintenance loads, and the product processing conditions, for trays, panels, or tiles for fully supported applications shall be 0,6 mm.

Depending on dimensional requirements for fixing and fabrication, manufacturing tolerances for the formed product shall be agreed at the time of ordering.

NOTE Some of the preformed products are fully defined and designed by a “code of practice”. Other products need a verification of the capacity to take wind load. This can be done by either testing or calculation, see EN 508‑2:—.

Aluminium is non-combustible. It will not burn and will not support combustion. Its melting point is 570 °C up to 660 °C. As a result, it will melt in an intense fire. It is essential that the effect of a fire is evaluated after studying the whole structure.

The sampling and test methods shall be in accordance with:

— EN 1396 for products with an organic coating;

— EN 485‑1 for products without organic coating and anodised products.

From each delivery of products, the number required for the tests shall be selected.

General

The products shall be supplied with inspection documents to comply with the requirements of this document.

The following information shall be given at the time of ordering:

— type of test (specific or non-specific test, see EN 10204);

— type of inspection document, see EN 10204.

Test unit

For dimensional tolerances, the test unit shall consist of at least one complete piece from the delivered products.

If specially agreed at the time of ordering, the test unit may consist of more than one piece.

Number of tests

One series of tests shall be carried out per test unit to determine the geometrical characteristics.

Products covered by this document shall be designated as follows:

— type of product (e.g. sheet, coil, slit coil, cut length, roof panel, clip, tile);

— short designation of material (see 3.2) if applicable, or full designation of material according to material standard specification;

— number of this document (EN 507).

At least the following information shall be attached to every pack, coil or bundle:

— name or registered identification of the manufacturer;

— product designation (see Clause 6);

— order number;

— ordered dimension and quantity;

— gross mass (kg).

The packaging requirements and any special ordering conditions requirements to take account of particular conditions shall be agreed between manufacturer and purchaser at the time of ordering.

Any instructions regarding transport, handling or storage shall be clearly visible on the package.

The packages should be fully supported by means of battens or pallets providing sufficient space to permit good ventilation while avoiding any permanent deformations of the products. The packages should be inclined in order to promote drainage.

The packages should be stored under a covered warehouse or under a cover made form tarpaulin over a frame. The frame should allow sufficient space between tarpaulin and packages to allow air to circulate.

NOTE Moisture, in particular condensation inside packages, can lead to the formation of stains (e.g. black marks), and if there is prolonged contact with moisture, can cause aesthetic damage.

During transportation, dark spots can appear on light surfaces as a result of friction in contact with uncoated aluminium when packing allows movement between neighbouring surfaces.

If severe service conditions are expected during transportation, storage or processing, the product can be supplied with an additional protection of a temporary, strippable film, wax or oil, by agreement.

Type, thickness, adhesion properties, formability, tear strength and light fastness should be taken into consideration when choosing protective films.

All protective films can only be exposed to outdoor weathering for a limited period without deterioration. This depends on product specification that are provided by the protective film supplier.

Bibliography

[1] EN ISO 9001, Quality management systems — Requirements (ISO 9001)

[2] EN 508‑2:—,^[1] Roofing products from metal sheet — Specification for self-supporting products of steel, aluminium or stainless steel sheet — Part 2: Aluminium

1. Under revision. Current stage prEN 508-2:2024. ↑