{"id":6102,"date":"2026-10-06T03:14:37","date_gmt":"2026-10-06T03:14:37","guid":{"rendered":"https:\/\/jmsdecor.com\/en-13501-1-class-a2-wall-panels\/"},"modified":"2026-10-06T03:14:37","modified_gmt":"2026-10-06T03:14:37","slug":"en-13501-1-class-a2-wall-panels","status":"publish","type":"post","link":"https:\/\/jmsdecor.com\/ru\/en-13501-1-class-a2-wall-panels\/","title":{"rendered":"EN 13501-1 Class A2 Wall Panels Explained for Buyers"},"content":{"rendered":"

A European project specifies a fire class before it ever specifies a finish. For wall cladding sold into the European Union and the wider region, that class is read from EN 13501-1. EN 13501-1 Class A2 is the band most commercial projects ask a stone panel to reach, and it decides whether a specification approves the sheet or returns it.<\/p>\n

Class A2 sits at the top of the Euroclass scale, one step below A1. It is not a marketing label. It is a measured result from a set of European fire tests, and it decides the paperwork a project has to hold.<\/p>\n

EN 13501-1 Class A2 is a measured reaction-to-fire class, not a claim. It says a panel will add almost nothing to a fire once the wall is up.<\/p><\/blockquote>\n

What EN 13501-1 Class A2 Means<\/h2>\n
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A Class A2 result starts in the test laboratory.<\/figcaption><\/figure>\n

EN 13501-1 is the European standard that classifies how a construction product reacts to fire. It sorts products onto a Euroclass scale that runs from A1 at the top down to F at the bottom. The class travels with the product from the laboratory to the specification sheet.<\/p>\n

Class A2 is the highest class below A1. An A1 product is treated as fully non-combustible and adds nothing to a fire. An A2 product is allowed a small, limited contribution, and it is still grouped with A1 at the near non-combustible end of the scale.<\/p>\n

The flexible stone panels made by JMS Decor hold EN 13501-1 Class A2, and the class is backed by a certificate and a test report rather than a statement. That pairing matters to a specifier. A claim on a website is not the same as a document a building control officer will accept.<\/p>\n

The class is a property of the sheet, not of a coating. It comes from a panel built on a mineral base, so the result travels with the product instead of depending on a surface treatment added later.<\/p>\n

A buyer reading a datasheet should treat the class as a line that can be checked, not a badge. It has a test report behind it, a date and a product reference. When any of those is missing, the class is harder to defend in a submittal.<\/p>\n

One more distinction saves confusion later. EN 13501-1 describes how a product reacts to fire, which is a material and surface property. It does not describe how long a finished wall resists a fire, which is a fire-resistance rating and a different test. A submittal that confuses the two will be returned.<\/p>\n

The Tests Behind a Class A2 Result<\/h2>\n
\"Flexible
A Class A2 rating is assembled from more than one test.<\/figcaption><\/figure>\n

A Class A2 result is not produced by a single test. It is assembled from two, and a product has to satisfy both before the class is written down. The first checks the material itself. The second checks how a wall built from it behaves in a fire.<\/p>\n

The non-combustibility test, EN ISO 1182, places a sample in a furnace and records whether the material sustains combustion on its own. A product that fails this route cannot reach A2, whatever its surface does.<\/p>\n

The single burning item test, EN 13823, builds a corner from the panels and burns a propane flame against it. Instruments record heat release, smoke growth and any burning droplets that fall away during the run.<\/p>\n\n\n\n\n\n\n
The two tests behind a Class A2 result<\/caption>\n
Test<\/th>\nWhat it measures<\/th>\n<\/tr>\n<\/thead>\n
EN ISO 1182 non-combustibility<\/td>\nWhether the material itself sustains combustion<\/td>\n<\/tr>\n
EN 13823 single burning item<\/td>\nHeat release, smoke growth and falling droplets<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

For a panel made from natural stone powder, an inorganic gel and a fibreglass mesh, the mineral base carries the result. There is very little organic material in the build to feed a flame, and that is why the class holds across the range.<\/p>\n

The two tests cover different risks on purpose. One asks whether the material can burn by itself. The other asks what happens when a wall of it meets a flame in a corner. A panel has to pass both, which is why a Class A2 sheet is a mineral product rather than a treated surface.<\/p>\n

Reading the Euroclass Letters and Numbers<\/h2>\n
\"Flexible
The full label carries more than one code.<\/figcaption><\/figure>\n

The letter and number are only part of the label. A full EN 13501-1 classification can carry two extra codes, and a specifier who ignores them can approve the wrong sheet for a space.<\/p>\n

The first code describes smoke production and runs from s1 for the lowest to s3 for the highest. The second describes flaming droplets and runs from d0 for none to d2 for the worst. A lower number is the better result.<\/p>\n\n\n\n\n\n\n\n\n
The Euroclass scale at a glance<\/caption>\n
Class<\/th>\nWhat it means<\/th>\n<\/tr>\n<\/thead>\n
A1<\/td>\nFully non-combustible, no contribution to fire<\/td>\n<\/tr>\n
A2<\/td>\nThe top class below A1, limited contribution<\/td>\n<\/tr>\n
B to E<\/td>\nProgressively more combustible surfaces<\/td>\n<\/tr>\n
F<\/td>\nNo fire performance declared<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

A project can ask for a class and a smoke code together, and the two are read as one string on the drawing. Read the whole label, not the letter alone, before the panel is accepted for a corridor, a lobby or a stair. The wording also feeds the wider file on fire-rated cladding and building insurance<\/a>.<\/p>\n

Smoke and droplets matter most in a corridor or a stair, where people leave a building. A panel with a low smoke code keeps the escape route clearer for longer. That is why the code is often quoted beside the class on a specification for these spaces.<\/p>\n

For European work the class is quoted in full, with its smoke and droplet codes beside it. The JMS Decor sheet is supplied with its Class A2 certificate, so the declared values can be matched to the schedule line by line.<\/p>\n

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Need the Fire File<\/div>\n
Ask for the Class A2 certificate and the test report with your enquiry, and we will send both along with the sample.<\/div>\n

Request the Documents →<\/a><\/p>\n<\/div>\n

\"Flexible<\/div>\n<\/div>\n

Where CE Marking Meets Fire Class<\/h2>\n
\"Travertine
A CE marked panel points to a declared class.<\/figcaption><\/figure>\n

In Europe the fire class travels with the CE mark. The Construction Products Regulation<\/a> requires a manufacturer to publish a Declaration of Performance, and the reaction-to-fire class is one of the declared values.<\/p>\n

A CE marked panel is more than a panel with a sticker. The mark points to a document, and that document names the class and the test report behind it. The wider picture sits in our guide to CE certified wall panels for European projects<\/a>.<\/p>\n

For an importer the check is direct. Ask for the Declaration of Performance and match the declared fire class to the one on the drawing. When the two disagree, the panel is the wrong one for the job.<\/p>\n

The Declaration of Performance is issued per product and stays with it, so the class can be traced years after the panels are fixed. A project that keeps the document on file can answer a building control query without going back to the supplier for a fresh certificate.<\/p>\n

How Class A2 Differs from ASTM E84<\/h2>\n
\"Fire
Europe and North America read different tests.<\/figcaption><\/figure>\n

European and North American projects read different tests. Europe uses EN 13501-1. The United States and Canada use ASTM E84, where Class A is the top band on the scale.<\/p>\n

ASTM E84 is a surface test. It tracks how fast a flame spreads across the face and how much smoke it releases. The European test looks at the product in a room fire, including heat release and falling droplets, not the face alone.<\/p>\n

The range carries both results, with ASTM E84 Class A at a flame spread index of 25 or below and EN 13501-1 Class A2 for European work. A project that ships to both markets can lean on one sheet from our flexible stone panels<\/a>. The North American side is set out in the guide to ASTM E84 Class A for wall panels<\/a>.<\/p>\n

For a project that mixes markets, the safer approach is to hold both reports in one file. A designer can then show the European class to a European authority and the ASTM class to a North American one, from the same panel and the same batch.<\/p>\n

Collecting the Right Fire Documents<\/h2>\n
\"Flexible
The class is only as strong as the file behind it.<\/figcaption><\/figure>\n

A fire class is only as strong as the paperwork behind it. Before a panel order is placed, four documents should be on file, and each answers a different question.<\/p>\n

The Declaration of Performance carries the declared class. The test report shows the raw result behind it. The ISO 9001<\/a> certificate shows the factory runs a managed process, and the batch certificate of analysis ties the sheets delivered to the run they came from.<\/p>\n

JMS Decor is certified to ISO 9001, ISO 14000 and BSCI alongside the CE mark, and production holds a defect rate below 1 percent. Each order ships with the batch certificate, built by the flexible stone wall panel manufacturer<\/a> behind these figures. The full set of articles sits under fire and climate compliance<\/a>.<\/p>\n

A submittal is stronger when the documents agree with each other. Check that the class on the Declaration of Performance matches the class on the test report and the schedule. A mismatch between two of them is the fastest way to send a package back for correction.<\/p>\n

Frequently Asked Questions on Class A2<\/h2>\n
\"Flexible
The class is checked against the specification before an order.<\/figcaption><\/figure>\n

Below are the questions buyers ask most often about the European fire class, with the short answers that follow from the standard and the documents behind it.<\/p>\n

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What is EN 13501-1 Class A2?<\/h3>\n
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It is a European reaction-to-fire class for construction products. A2 sits just below A1 on the Euroclass scale, so a panel adds only a limited amount to a fire. For a specification, it is the class a cladding product has to reach for the top band below fully non-combustible.<\/p>\n<\/div>\n<\/div>\n

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Is Class A2 the highest fire class?<\/h3>\n
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No. A1 is the highest class, and it is reserved for products treated as fully non-combustible. A2 is the class directly below it. Both sit at the near non-combustible end of the scale, well ahead of the B to F bands.<\/p>\n<\/div>\n<\/div>\n

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Does flexible stone hold EN 13501-1 Class A2?<\/h3>\n
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The JMS Decor flexible stone range holds the Class A2 rating, and it is supported by a certificate and a test report. The same panel is tested to ASTM E84 Class A for North American projects, so one sheet serves both markets.<\/p>\n<\/div>\n<\/div>\n

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Is EN 13501-1 the same as ASTM E84?<\/h3>\n
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No. The two are different tests for different regions. ASTM E84 is a North American surface burning test, where Class A is the top band. EN 13501-1 is the European reaction-to-fire standard, and the two results are read separately on a specification.<\/p>\n<\/div>\n<\/div>\n

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What documents prove a Class A2 rating?<\/h3>\n
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Ask for three files. The Declaration of Performance declares the class, the test report shows the raw result, and the ISO 9001 certificate shows the factory runs a managed process. A batch certificate of analysis then ties the delivered sheets to their run.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Match the Panel to the Class<\/div>\n
Send the fire class and the smoke code from your specification, and we will confirm the sheet, the format and the paperwork for the job.<\/div>\n

Send Your Specification →<\/a><\/p>\n<\/div>\n

\"Flexible<\/div>\n<\/div>\n