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Frequently asked questions:
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Date: 10/06/2008 18:27:34
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There is no direct comparison I'm afraid. The use of Tp(a) and Tp(b) etc in Approved Document B ...
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Date: 06/04/2008 22:34:58
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The simple answer is no. They are very different tests measuring different properties. ASTM E84 is ...
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| Author: Niall Rowan
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Date: 17/11/2007 17:26:32
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For intumescent only (fire) seals, usually only the top and both vertical edges require ...
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| Author: Niall Rowan
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Date: 19/10/2007 18:45:53
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Provided the trims do not significantly affect the structure of the door i.e. they are just pinned ...
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| Author: Colin Keeley
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Date: 03/10/2007 09:36:41
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The guidane note written by the ASFP concerning 'Overcladding of Reactive Coatings on Structural ...
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Date: 14/09/2007 15:52:56
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This is a common question. For a door to be fire resisting, it only has to pass the test which ...
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| Author: Niall Rowan
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Date: 14/09/2007 13:12:17
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There is no comparison per se as the British tests and the European tests measure different ...
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| Author: Niall Rowan
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Date: 31/08/2007 09:34:05
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The class you mention is the panel's reaction to fire performance. Class 0 is a good performance ...
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Date: 22/08/2007 16:17:38
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Assuming you are referring to what is termed "Protected entrance halls" in AD-B (see diagram 2 ...
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| Author: Niall Rowan
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Date: 23/07/2007 15:08:33
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Both these terms are misleading and meaningless. Flame tested How big is the ...
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| Author: Niall Rowan
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Date: 06/07/2007 11:56:53
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There is no direct comparison I'm afraid. The use of Tp(a) and Tp(b) etc in Approved Document B ...
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| Author: Niall Rowan
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Date: 29/06/2007 17:31:33
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The product standard for textile and resilient floorings. For more info on the actual standard ...
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Date: 29/06/2007 17:08:56
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The simple answer is maybe, but not on its own. Non-combustibility or the ability to achieve a ...
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| Author: Niall Rowan
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Date: 08/06/2007 17:02:04
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NFPA 255, or the Steiner Tunnel as it is more commonly known, is a North American reaction to ...
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| Author: Niall Rowan
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Date: 07/06/2007 13:49:09
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Standard i.e. untreated MDF is usually class 3 as are most untreated timber products. There are ...
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| Author: Niall Rowan
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Date: 06/06/2007 18:39:45
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In the direction of escape they should not lock the doors.
Assuming they are only used for ...
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| Author: Niall Rowan
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Date: 24/05/2007 16:59:17
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You need to get the certificates - or more correctly the test reports - from the manufacturer. He ...
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| Author: Niall Rowan
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Date: 22/05/2007 15:45:34
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Dear Ivo,
The only foolproof way to check is to insist upon an original version of the ...
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| Author: Niall Rowan
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Date: 16/05/2007 10:13:16
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We would generally only recommend products that have been third party certificated as this ...
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| Author: Niall Rowan
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Date: 11/05/2007 18:21:04
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There are several ways you could do it - mainly by increasing the level of fire protection to ...
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| Author: Niall Rowan
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Date: 11/05/2007 18:01:44
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It all depends on the building in question, but generally in communal areas and circulation ...
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| Author: Niall Rowan
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Date: 03/05/2007 08:54:57
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The answer is that they are all types of non-combustibility test in which a small solid ...
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| Author: Niall Rowan
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Date: 02/05/2007 13:47:38
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The first point to make is that there are no direct equivalences between the Euroclasses and the ...
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| Author:
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Date: 30/04/2007 18:04:16
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You should demand from your supplier or builder documentation (that you can read) that shows ...
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| Author:
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Date: 30/04/2007 17:44:14
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We could certainly test such a door and also certificate its production, but unless you are ...
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| Author: Niall Rowan
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Date: 24/04/2007 18:34:32
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Indeed it is. Class 1 indicates a good performance in terms of surface spread of flame. Class 0 ...
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| Author: Niall Rowan
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Date: 05/04/2007 09:38:02
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BS 476 is used in many sectors for very different end-uses. However, in the building field, it ...
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| Author: Niall Rowan
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Date: 21/03/2007 16:33:00
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This is a very interesting question and one that fire scientists, fire consultants and many ...
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| Author: Niall Rowan
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Date: 15/03/2007 13:35:47
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In the UK there are generally no controls on the flammability of floor coverings, so you would be ...
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| Author: Alex Manning
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Date: 08/03/2007 12:45:34
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It is assumed that the timber frame is constructed of an external layer and an internal layer, ...
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| Author:
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Date: 06/03/2007 12:53:34
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No it is not. The BS 476: Part 7 test measures flame spread across a surface exposed to ...
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| Author: Niall Rowan
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Date: 23/02/2007 23:41:23
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The short answer is no. The French authorites will only accept tests to French or European ...
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| Author: Niall Rowan
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Date: 21/02/2007 11:05:53
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The guidance document on Sleeping accomodation published by the Department of Communities and ...
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| Author: Niall Rowan
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Date: 21/02/2007 10:26:49
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You do not specify what you mean by fire rated. Do you mean a fire resisting MDF that is also has a ...
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| Author:
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Date: 09/02/2007 10:41:09
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Fitting doors closers and intumescent (expanding) strips would help, but if the doors themselves ...
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| Author: Bob Williams
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Date: 09/02/2007 09:35:47
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The minimum regulatory requirement for fire resisting doors in the UK is for them to be tested ...
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| Author: Niall Rowan
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Date: 06/02/2007 17:48:40
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A material that is non-combustible is automatically Class O without the need for further testing.
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| Author: Niall Rowan
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Date: 17/01/2007 17:28:17
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I really don't have a straight answer for this. You have already ruled out the obviuous solution ...
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| Author: Niall Rowan
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Date: 17/01/2007 17:00:35
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The class you mention is a French class and is obtained by undertaking the French Epiradiateur test ...
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| Author:
Niall Rowan
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Date: 05/01/2007 15:58:39
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We are getting a lot of enquires regarding MDF used in fire rated situations. Typically, the ...
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| Author: Niall Rowan
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Date: 05/01/2007 15:57:27
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Log cabins or houses or any other form of buildings are subject to the same requirements for ...
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| Author: Phil Crewe
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Date: 04/01/2007 11:10:14
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The section factor is a measure of how quickly a steel section heats up. A heavy section will ...
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| Author: Niall Rowan
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Date: 06/11/2006 14:45:37
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Approved Document B (Fire Safety) defines internal linings under the functional requirement as ...
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| Author: Niall Rowan
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Date: 02/11/2006 12:35:38
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It means that it has a Euroclass reaction to fire performance of A2 which is approximately ...
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| Author: Bob Williams
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Date: 27/10/2006 18:40:39
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All fire stopping and fire sealing installation should be considered as specialist work and ...
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| Author: Niall Rowan
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Date: 26/10/2006 21:13:55
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If it is furniture you are designing (fixed or otherwise), it will usually be exempt from ...
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| Author: Niall Rowan
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Date: 20/10/2006 14:56:46
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A material that has a Y suffix added to its surface spread of flame classification demonstrates ...
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| Author: Niall Rowan
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Date: 18/10/2006 14:01:39
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Bodycote Materials Testing Canada Inc. can perform this test, contact details are as ...
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| Author: Niall Rowan
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Date: 04/10/2006 17:26:02
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BS stands for 'British Standard'. British Standards are produced by the British Standards ...
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| Author: Niall Rowan
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Date: 15/09/2006 12:26:47
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What do you mean by 'fire rating'? If you mean reaction to fire performance, then the fire rating ...
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| Author: Janet Murrell
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Date: 08/09/2006 12:06:05
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The classification M2 used in France is very loosely similar to a Class 2 in this country ...
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| Author: Niall Rowan
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Date: 24/08/2006 17:25:19
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BS EN 1634 'came into force' in 2002. That is to say it was recognised by our building ...
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| Author: Niall Rowan
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Date: 24/08/2006 17:25:11
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BS EN 13501 or DIN EN 13501 are identical European standards for the classification of products ...
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| Author: Janet Murrell
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Date: 24/08/2006 17:24:40
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The simple answer to this is most definitely no! In general, most paints are tested as single ...
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| Author:
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Date: 24/08/2006 10:53:43
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Class 1 refers to BS 476: Part 7, the surface spread of flame test. AA is a class from the BS 476: ...
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| Author:
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Date: 17/08/2006 11:59:38
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The British Gyspum White Book is now available on-line and gives the answer to your ...
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| Author: Niall Rowan
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Date: 16/08/2006 15:59:26
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I am afraid it does not. In the first instance there is no direct table of equivalences between ...
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| Author: Jon Pagan
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Date: 16/08/2006 13:42:39
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Yes, the Institute of Fire Engineers can give Chartered Engineer status to engineers who have the ...
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| Author: Niall Rowan
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Date: 15/08/2006 12:49:44
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The British rating Class 0 and the French rating M1 are achieved by undertaking various reaction to ...
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| Author: Niall Rowan
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Date: 21/06/2006 14:03:08
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The class you mention is a French class and is obtained by undertaking the French Epiradiateur test ...
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| Author:
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Date: 24/05/2006 18:18:45
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I'm afraid it does not. The tests used in the USA and those used in France measure fundamentally ...
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| Author: Niall Rowan
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Date: 24/05/2006 18:03:31
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This is an interesting question. You are referring to a fire damper which uses intumescent as the ...
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| Author: Niall Rowan
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Date: 03/05/2006 18:32:34
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As far as we are aware, there is no information in the public domain which will give you an ...
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| Author: Niall Rowan
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Date: 03/05/2006 18:31:49
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A brief explanation is as follows...
PVC
pvc or polyvinylchloride is widely ...
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| Author: Niall Rowan
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Date: 25/04/2006 14:54:38
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The performance of a composite panel such as you describe depends on the combined performance of ...
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| Author: Niall Rowan
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Date: 20/04/2006 16:36:33
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The first (optional) digit is whether the door has Intumescent seals 'I' means it has, nothing ...
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| Author: Niall Rowan
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Date: 20/04/2006 16:24:28
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You can get both of these curves in the European Standard EN 1363 Fire resistance tests Part 2: ...
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| Author: Niall Rowan
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Date: 13/02/2006 12:33:38
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Unfortunately, you can't. This is because the test procedures are very different and measure ...
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| Author: Niall Rowan
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Date: 10/02/2006 09:44:40
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To view the CERTIFIRE Register, go to 'certifying' then 'CERTIFIRE' then click on the link 'To view ...
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| Author: Niall Rowan
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Date: 02/02/2006 18:04:10
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It depends on what you are looking at. Do you mean upgrading a door by putting an MDF facing on ...
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| Author:
Niall Rowan
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Date: 10/01/2006 17:34:52
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There are two issues to deal with here; the type of document you are referring to and your right ...
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| Author: Niall Rowan
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Date: 10/01/2006 17:20:45
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It is very difficult to make comparisons between different national tests - especially 'reaction ...
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| Author:
Niall Rowan
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Date: 21/10/2005 15:34:08
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Unfortunately, it probably does need to be retested. The class 1 MDF may well achieve class 1 ...
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| Author: Dominic Hankinson
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Date: 08/09/2005 09:41:05
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