NZS 3602:2003

COMMITTEE REPRESENTATION

ACKNOWLEDGEMENT

© COPYRIGHT

CONTENTS

REFERENCED DOCUMENTS

LATEST REVISIONS

FOREWORD

REVIEW OF STANDARDS

PART 1 MANDATORY REQUIREMENTS FOR COMPLIANCE WITH THE DURABILITY PROVISIONS OF CLAUSE B2 OF THE NEW ZEALAND BUILDING CODE

101 SCOPE

102 INTERPRETATION

103 GENERAL

104 TIMBER SPECIES, GRADE, QUALITY AND PRESERVATIVE TREATMENT

105 PRESERVATIVE TREATMENT

106 REQUIREMENTS FOR WOOD-BASED BUILDING COMPONENTS IN CONTACT WITH THE GROUND, TO ACHIEVE A 50-YEAR DURABILITY

107 REQUIREMENTS FOR WOOD-BASED BUILDING COMPONENTS EXPOSED TO EXTERIOR WEATHER CONDITIONS AND DAMPNESS, TO ACHIEVE A 50-YEAR DURABILITY

108 REQUIREMENTS FOR WOOD-BASED BUILDING COMPONENTS PROTECTED FROM THE WEATHER BUT EXPOSED TO GROUND ATMOSPHERE, TO ACHIEVE A 50-YEAR DURABILITY

109 REQUIREMENTS FOR WOOD-BASED BUILDING COMPONENTS NOT EXPOSED TO WEATHER OR GROUND ATMOSPHERE BUT WITH A RISK OF MOISTURE CONTENT CONDUCIVE TO DECAY, TO ACHIEVE A 50-YEAR DURABILITY

110 REQUIREMENTS FOR WOOD-BASED BUILDING COMPONENTS PROTECTED FROM THE WEATHER AND IN DRY CONDITIONS AND NOT EXPOSED TO GROUND ATMOSPHERE, TO ACHIEVE A 50-YEAR DURABILITY

111 REQUIREMENTS FOR WOOD-BASED BUILDING COMPONENTS WITH A 15-YEAR DURABILITY

112 REQUIREMENTS FOR WOOD-BASED BUILDING COMPONENTS TO ACHIEVE A 5-YEAR DURABILITY

113 USE OF TABLE 1, TABLE 2 AND TABLE 3

PART 2 CONSTRUCTION PROVISIONS OUTSIDE THE MANDATORY REQUIREMENTS OF THE NEW ZEALAND BUILDING CODE

201 PURPOSE

202 GENERAL

203 PLYWOOD AND LAMINATED VENEER LUMBER

204 PARTICLEBOARD, FIBREBOARD AND OTHER WOOD-BASED PANEL PRODUCTS

205 MOISTURE CONTENT AND QUALITY CONTROL REQUIREMENTS FOR WOOD-BASED BUILDING COMPONENTS PROTECTED FROM THE WEATHER AND IN DRY CONDITIONS WITH A 50-YEAR DURABILITY PERFORMANCE

206 MOISTURE CONTENT AND QUALITY CONTROL REQUIREMENTS FOR WOOD-BASED BUILDING COMPONENTS WITH A 5 OR 15-YEAR DURABILITY PERFORMANCE

207 PROTECTION AFTER INSTALLATION

208 WORKMANSHIP

209 WOOD-BASED COMPONENTS OTHER THAN BUILDING COMPONENTS

Table

1 – Requirements for wood-based building components to achieve a 50-year durability performance

2 – Requirements for wood-based building components to achieve a 15-year durability performance

3 – Requirements for wood-based building components to achieve a 5-year durability performance

4 – Allowable moisture content (%)(1) at time of installation or in the case of framing timber at time of enclosure

5 – Treatment of non-building wood-based components

Figure

1 – Examples of treatment requirements for timber-framed buildings

2 – Examples where H3.1 or higher treatment level is required for enclosed exterior elements

3 – Examples of low risk masonry veneer buildings

4 – Flow chart guiding the use of tables 1, 2 and 3