BS EN 599-1:2009+A1:2013 - Durability of wood and wood-based products. Efficacy of preventive wood preservatives as determined by biological tests. Specification according to use class

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BS EN 599-1:2009+A1:2013

Durability of wood and wood-based products. Efficacy of preventive wood preservatives as determined by biological tests. Specification according to use class

Status : Current   Published : January 2010

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This part of EN 599 specifies for each of the five use classes defined in EN 335-1, the biological tests required for evaluating the efficacy of wood preservatives for the preventive treatment of solid timber, together with the minimum ageing tests required for the respective use class. It provides the method for calculating the critical value of a preservative. The critical value is the value that shall be used to calculate the recommended retention of the preservative appropriate for specific service conditions. The critical value is not necessarily the recommended retention or the minimum retention level for the preservative. The wide range of hazards, exposure conditions and service life requirements across Europe make it necessary to allow for local considerations in the calculation of the required preservative retention; EN 351-1 provides for the critical value to be adjusted to take account of these factors. This part of EN 599 is applicable to all wood preservative products supplied for application in liquid form for the preventive treatment of timbers (structural and non-structural) against wood-attacking fungi, woodattacking insects and marine borers as described in EN 335-1. However, it is applicable to products for preventive treatments against fungi causing disfigurement (blue stain) of wood in service if this forms part of the overall preventive efficacy of the product. This part of EN 599 does not necessarily take into account all the factors which may affect the stability of active ingredients in preservative treated wood. These factors include ultra-violet light and microbiological agencies capable of degrading components of the preservative. Such factors are an integral part of exposure in field trials but are subject to natural variation and their impact is not directly assessed in the field trial methods included in this standard. Methods are in development to assess the impact of these factors but are not finalised and cannot be included in this revision of this part of EN 599. Because such factors could, in service, significantly affect the active ingredient’s suitability for its intended purpose, the manufacturer/ producer is expected to ensure and be able to provide evidence that its stability, at the recommended retention of the preservative product, has been adequately assessed. This part of EN 599 is not applicable to wood preservative products supplied for application as pastes, solids or in capsule or gaseous form because these cannot be tested without modification of the biological tests cited in this standard. It does not apply either to wood preservative products for remedial (curative) treatments, to those applied to prevent fungi causing sap stain on green (unseasoned) timber or to those applied solely to prevent fungi causing disfigurement (blue stain) of wood in service. NOTE 1 The nature of the laboratory and field tests required in this part of EN 599 to demonstrate efficacy of a wood preservative are such that the time required generating the data is many months or years, depending upon the properties of the wood preservative and the use class in which the treated wood is to be exposed. For preservative products which have already been placed on the market without significant formulation variation (see Annex A) before the end of 1990 and which can demonstrate a record of having been used lawfully and successfully in accordance with local technical traditions during this period, national standards bodies or independent authorities nominated by them, may declare critical values for use within their territories. NOTE 2 For re-testing after making variations in product formulation, guidance is given in Annex A.




Standard NumberBS EN 599-1:2009+A1:2013
TitleDurability of wood and wood-based products. Efficacy of preventive wood preservatives as determined by biological tests. Specification according to use class
StatusCurrent
Publication Date31 January 2010
Cross ReferencesEN 152, EN 20-1, EN 20-2, EN 46-1, EN 46-2, EN 47, EN 49-1, EN 49-2, EN 73, EN 84, EN 113, EN 117, EN 118:2005, EN 152-1, EN 152-2, EN 252, EN 275, EN 330, EN 335-1, EN 351-1, EN 599-2, ENV 807:2001, CEN/TS 839, EN 1001-2:2005, EN 335-2, EN 350-1, EN 350-2, EN 460, EN ISO/IEC 17025, ISO/IEC 17025:2005, EN ISO 9000, ISO 9000:2005
ReplacesBS EN 599-1:1997
International RelationshipsEN 599-1:2009
Amended ByAmendment, January 2014. Amends and replaces BS EN 599-1:2009.
Draft Superseded By07/30088601 DC13/30282196 DC
DescriptorsWood preservatives, Preservatives, Wood preservation, Liquids, Grades (quality), Classification systems, Hazards, Performance, Type testing, Performance testing, Quality control, Durability, Ageing tests, Biological analysis and testing, Testing conditions
ICS71.100.50
Title in FrenchDurabilité du bois et des matériaux dérivés du Bois. Efficacité des produits préventifs de préservation du bois établie par des essais biologiques. Spécification par classe d'emploi
Title in GermanDauerhaftigkeit von Holz und Holzprodukten. Wirksamkeit von Holzschutzmitteln wie sie durch biologische Prüfungen ermittelt wird. Spezifikationen entsprechend den Gebrauchsklassen
CommitteeB/515
ISBN978 0 580 82821 8
PublisherBSI
FormatA4
DeliveryYes
Pages44
File Size1.557 MB
Price£206.00


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