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AS/NZS 2904:1995


Damp-proof courses and flashings

Specifies the requirements for damp-proof course and flashing materials of the sheet membrane, strip and collar type for use in building construction. It does not cover vapour barriers; or mortar-type damp-proof courses.
Published: 05/11/1995
Pages: 13
Table of contents
Cited references
Content history
Table of contents
About this publication
1 Scope
2 New materials
3 Referenced documents
4 Definitions
5 General requirements
5.1 Suitability and maintenance-free life
5.2 Form of specification
5.3 Classification
6 Performance requirements
6.1 General
6.2 Impermeability to water
6.3 Continuity of protective coating
6.4 Corrosion resistance
6.5 Pliability
6.6 Compressive modulus and compression set
6.7 Impact resistance
6.8 Ultraviolet (UV) stabilized
7 Materials deemed to be satisfactory
7.1 General
7.2 Metals
7.2.1 Quality
7.2.2 Thickness
7.3 Bitumen-coated metals
7.3.1 General
7.3.2 Metal centre
7.3.3 Bitumen coating
7.3.4 Surfacing material
7.4 Polyethylene-coated metals
7.4.1 General
7.4.2 Metal centre
7.4.3 Bitumen adhesive
7.4.4 Polyethylene
7.4.5 Pigment
7.4.6 Finished embossed laminate
7.5 Bitumen-impregnated materials without metal centre
7.5.1 General
7.5.2 Base
7.5.3 Percentage saturation of the base
7.5.4 Saturating material
7.5.5 Bitumen coating
7.5.6 Surfacing material
7.5.7 Mass per unit area
7.6 Polyethylene
7.6.1 Material
7.6.2 Thickness
7.6.3 Mass per unit area
7.6.4 Pigment
7.6.5 Impact resistance
8 Packing and marking
8.1 Packing
8.2 Labelling
Appendix A
A1 Scope
A2 Statistical sampling
A3 Product certification
A4 Supplier’s quality system
A5 Other means of assessment
Appendix B
Amendment control sheet
Amendment No. 2 (2013)
Revised text
Cited references in this standard
Continuous hot-dip metallic coated steel sheet and strip — Coatings of zinc and zinc alloyed with aluminium and magnesium
Methods of testing bitumen and related roadmaking products, Method 12: Determination of penetration
AS 4347.2
Damp-proof courses and flashings—Methods of test, Method 2: Determination of continuity of coating on metal centres
AS 4347.1
Damp-proof courses and flashings—Methods of test, Method 1: Determination of water permeability
Masonry structures — Commentary (Supplement 1 to AS 3700:2018)
Content history
DR 94170 (in part)
Inclusive of GST
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