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BS EN 113-2:2020:2021 Edition

BS EN 113-2:2020:2021 Edition

$167.15

Durability of wood and wood-based products. Test method against wood destroying basidiomycetes – Assessment of inherent or enhanced durability

Published By Publication Date Number of Pages
BSI 2021 34
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This document specifies a method of test for determining the natural durability of a timber against wood-destroying basidiomycetes cultured on a malt extract agar medium. The method is applicable to all timber species.

Furthermore this method can be used to test modified wood. The test method described in this document can be applied to specific wood species, commercial supplies of sawn timber, wood-based materials, wood treated with preservatives and modified wood, both thermally and chemically modified wood.

However, this document is not intended to determine the effectiveness of wood preservatives used to prevent decay.

NOTE 1

Determining the efficacy of wood preservatives used to prevent decay is the scope of EN 113?1 . However, in addition to this and with some amendments, it might also be possible in some cases to test treated wood using the method described here.

NOTE 2

This method can be used in conjunction with an ageing procedure, for example EN 73 or EN 84 .

Annex A (informative) contains a guidance on sampling.

Annex B (normative) contains some methods of sterilization.

Annex C (informative) contains information on the culture vessels.

Annex D (informative) contains an example of a test report.

Annex E (informative) contains information on the test fungi.

Annex F (informative) contains the assessment of the results.

PDF Catalog

PDF Pages PDF Title
2 undefined
10 1 Scope
2 Normative references
3 Terms and definitions
4 Principle
11 5 Test material and apparatus
5.1 Biological material
5.1.1 Test fungi
5.1.1.1 General
5.1.1.2 Test fungi for hardwoods with beech as virulence control wood
5.1.1.3 Test fungi for softwoods with Scots pine sapwood as virulence control wood
5.1.1.4 Test fungi for modified wood with both beech and Scots pine sapwood as virulence control wood
5.1.1.5 Maintenance of fungal strains
12 5.1.2 Wood as virulence control
5.1.2.1 Species used for the tests
5.1.2.2 Wood quality
5.1.2.3 Provision of virulence control specimens
5.1.2.4 Dimensions and density of virulence control specimens
13 5.1.2.5 Number and distribution of virulence control specimens
5.2 Products and reagents
5.3 Apparatus
5.3.1 Culture vessels
5.3.2 Drying oven
5.3.3 Desiccators
5.3.4 Conditioning chamber
5.3.5 Culture chamber
5.3.6 Test specimens supports
14 5.3.7 Equipment for steam sterilization or access to a radiation source
5.3.8 Ordinary laboratory equipment
6 Test specimens
6.1 Species and source of wood
6.2 Wood quality
6.3 Provision of the test specimens
15 6.4 Dimensions of test specimens
6.5 Number and distribution of test specimens
16 7 Procedure
7.1 Preparation of the wood test specimens
7.1.1 Virulence control
7.1.2 Wood under test
17 7.2 Exposure to fungi
7.3 Culture conditions and duration of test
7.4 Assessment of test
7.4.1 Examination of the test specimens
18 7.4.2 Validity of results
7.4.3 Assessment of results
8 Statement of results
19 9 Test report
20 Annex A (informative)Guidance on sampling
A.1 Introduction
A.2 Sampling from logs
A.3 Sampling from commercial supplies of sawn timber
21 A.4 Sampling from modified timber
22 Annex B (normative)Methods of sterilization
B.1 Ionizing radiation
B.2 Steam
23 Annex C (informative)Culture vessels
26 Annex D (informative)Example of a test report
27 Annex E (informative)Test fungi
E.1 General information on maintaining and acquisition of test strains
E.2 Maintenance and treatment of test fungi
28 E.3 Information regarding obligatory test fungi
E.3.1 Coniophora puteana (Schumacher ex Fries) Karsten [Synonym: Coniophora cerebella (Persoon) Duby]
E.3.2 Trametes versicolor (Linnaeus ex Fries) Pile [Synonyms: Polyporus versicolor Linnaeus ex Fries – Polystictus versicolor (Linnaeus) Saccardo – Coriolus versicolor (Linnaeus) Quelet ]
E.3.3 Rhodonia placenta (Fr.) Niemelä, K.H. Larss. and Schigel [Synonym: Poria placenta (Fries) Cooke sensu J. Eriksson – Poria monticola Murrill}
29 E.4 Information regarding optional test fungi
31 Annex F (informative)Assessment of results

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BS EN 113-2:2020
$167.15