AS 4654.2—2009 4654.2—2009
A S 4 6 5 4 .2 — 2 0 0 9
Australian Standard . m o c . l a b o l g i a s . e r o t s o f n i / / : p t t h t a n o i s r e v l l u f e h t s s e c c A . e l p m a s e g a p 6 e e r f a s i s i h T
®
Waterproofing membrane systems for exterior use—Above ground level Part 2: Design and installation
This Australian Standard® Standard® was prepared by Committee BD-013, BD-013, External Waterproofing Waterproofing Membranes. It was approved on behalf of the C ouncil of Standards Australia on 14 May 2009. This Standard was published on on 30 June 2009.
The following are represented represented on Committee Committee BD-013: • • • •
. m o c . l a b o l g i a s . e r o t s o f n i / / : p t t h t a n o i s r e v l l u f e h t s s e c c A . e l p m a s e g a p 6 e e r f a s i s i h T
• • • • • • •
Australian Building Building Codes Board Australian Chamber of Commerce and Industry Australian Society of Building Building Consultants Australian Institute of Building Building Australian Institute of Waterproofing Waterproofing Australian Tile Council CSIRO Manufacturing and Infrastructure Technology Housing Industry Association Master Builders Australia Plastics and Chemical Industries Association South Australian Housing Trust
This Standard was issued in draft draft form for comment comment as DR 08163. Standards Australia wishes to acknowledge the participation of the expert individuals that contributed to the development of this Standard through their representation on the Committee and through the public comment period.
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AS 4654.2—2009 4654.2—2009
Australian Standard . m o c . l a b o l g i a s . e r o t s o f n i / / : p t t h t a n o i s r e v l l u f e h t s s e c c A . e l p m a s e g a p 6 e e r f a s i s i h T
®
Waterproofing membrane systems for exterior use—Above ground level Part 2: Design and installation
First published (in part) as AS CA55—1970. Revised and redesignated as AS 4654.2—2009.
COPYRIGHT
© Standards Australia All rig hts are res erv ed. No par t o f t his wor k m ay be rep rod uce d o r c opie d i n a ny for m o r b y any means, electronic or mechanical, including photocopying, without the written permission of the publisher. Published by Standards Australia GPO Box 476, Sydney, NSW 2001, Australia ISBN 0 7337 9175 1
AS 4 654. 2—20 09
2
PREFACE
This Standard was prepared by the Standards Australia Committee BD-013, External Waterproofing Membranes to supersede (in part) AS CA55—1970, Code of recommended practice pra ctice for the desi design gn and inst installa allation tion of bitu bitumin minous ous fabr fabric ic roofi r oofing ng .. This Standard has been prepared in response to numerous requests from industry representatives in the field of external waterproofing, especially in the areas of roofs, decks and balconies. The objective of this Standard is to provide a consistent and reliable approach to the design and installation of external waterproofing membrane systems. This Standard is Part 2 of a series of Standards on external waterproofing, as follows: . m o c . l a b o l g i a s . e r o t s o f n i / / : p t t h t a n o i s r e v l l u f e h t s s e c c A . e l p m a s e g a p 6 e e r f a s i s i h T
AS 4654 4654.1 4654.2
Waterproofing membrane systems for exterior use—Above ground level Part 1: Materials Part 2: Design and installation (this Standard)
Figures throughout this Standard indicate the membrane system as a heavy dashed layer line. The system may comprise a single layer or multiple layers. The term ‘informative’ has been used in this Standard to define the application of the appendix to which it applies. An ‘informative’ appendix is only for information and guidance.
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AS 4 654. 2—20 09
CONTENTS
Page
. m o c . l a b o l g i a s . e r o t s o f n i / / : p t t h t a n o i s r e v l l u f e h t s s e c c A . e l p m a s e g a p 6 e e r f a s i s i h T
SECTION 1 SCOPE AND GENERAL 1.1 SCOPE ............................... .................................................................. ..................................................................... ...................................................... .................... 4 1.2 APPLICATION APPLICATION .............................. ................................................................ .................................................................... ........................................... ......... 4 1.3 NEW SYSTEMS AND MATERIALS................................... MATERIALS..................................................................... ...................................... .... 4 1.4 NORMATIVE REFERENCES................................................ REFERENCES.................................................................................. .................................... .. 4 1.5 DEFINITIONS .............................. ................................................................. ..................................................................... ........................................... ......... 5 1.6 TYPES OF EXTERNAL WATERPROOFI WATERPROOFING NG MEMBRANE SYSTEM SYSTEMS S ................. 6 1.7 CONDITIONS OF EXPOSED AND PROTECT PROTECTED ED WATERPROOFI WATERPROOFING NG MEMBRANE SYSTEMS........................................................................ SYSTEMS............................................................................................ .................... 6 SECTION 2 DESIGN AND INSTALLATION 2.1 GENERAL ............................... ................................................................. .................................................................... ................................................. ............... 7 2.2 MOVEMENT MOVEMENT ................................... ....................................................................... ........................................................................ ....................................... ... 7 2.3 MEMBRANES....................................................................................... MEMBRANES............................................................................................................ ..................... 7 2.4 SUBSTRATE ................................... ....................................................................... ........................................................................ ....................................... ... 8 2.5 LAYING MEMBRANE .................................... ........................................................................ .......................................................... ...................... 9 2.6 TYPICAL TERMINATION DETAILS ............................... ................................................................... ...................................... .. 11 2.7 PLANTER BOXES ................................. ..................................................................... .................................................................. .............................. 28 2.8 PROTECTION DURING CONSTRUCTION ............................... ........................................................... ............................ 30 2.9 OVERLAYING SURFACE FINISHES.............................. FINISHES.................................................................. ....................................... ... 30 2.10 FINAL INSPECTION AND TEST................................................. TEST............................................................................ ........................... 30 2.11 INSPECTION AND MAINTENANCE .................................... ..................................................................... ................................. 30 APPENDIX A
MEMBRANE FOR ROOFS AND DECKS................................................... 31
BIBLIOGRAPHY ............................... ................................................................... ....................................................................... ................................................. .............. 32
AS 4 654. 2—20 09
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STANDARDS AUSTRALIA Australian Standard Waterproofing membrane systems for exterior use—Above ground level Part 2: Design and installation installation
S E C T I O N 1.1 . m o c . l a b o l g i a s . e r o t s o f n i / / : p t t h t a n o i s r e v l l u f e h t s s e c c A . e l p m a s e g a p 6 e e r f a s i s i h T
1
S C O P E
A N D
G E N E R A L
SCOPE
This Standard sets out the performance criteria and provides deemed-to-comply solutions for the design and installation of external waterproofing membrane systems for all buildings, including planter boxes and landscaped areas, that can affect the waterproof integrity of the building or cause deterioration and damage to adjoining finishes or structural elements. Where the waterproofing system is likely to be in contact to root systems of vegetation, it shall be root resistant. This Standard is not intended for use in applications such as swimming pools and spas and excludes concrete admixtures or penetrant sealers or similar and decorative coatings. In addition to providing performance criteria and design considerations, examples of deemed-to-comply design and installation solutions are given. These do not include options for concrete admixtures, penetrant sealers or decorative coatings. NOTE : Where Wh ere spec ifi ificc det ail ailss and ins tall ati ation on tec techni hnique quess are not cov covered ered by thi s Sta ndar d, manufacturer’s instructions should be followed. 1.2
APPLICATION
This Standard applies to all parts of Australia, and it is intended for use by designers, manufacturers, specifiers and installers of external waterproofing membrane systems. It may also be used as a reference for new and remedial building wor k. 1.3
NEW SYSTEMS AND MATERIALS
This Standard shall not be interpreted as preventing the use of materials that meet the criteria set out in the Standard, by independent testing. 1.4
NORMATIVE REFERENCES
The following documents are i ndispensable to the application of this Standard: NOTE : Do cum cument ent s r efe eferen renced ced for inf inform ormati ati ve p urpo urposes ses are lis ted in the Bibl iog iograph raphy. y.
AS 4055
Wind loads for housing
4654 4654.1
Waterproofing membrane systems for exterior use Part 1: Materials
AS/NZS 1170 Minimum design loads on structures 1170.2 Part 2: Wind loads
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. m o c . l a b o l g i a s . e r o t s o f n i / / : p t t h t a n o i s r e v l l u f e h t s s e c c A . e l p m a s e g a p 6 e e r f a s i s i h T
AS 4654.2-2009, Waterproofing membrane systems for exterior use - Above ground level Design and installation
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