AS 3740-1994

1-AS 3740-1994 WATERPROOFING OF WET AREAS WITHIN RESIDENTIAL BUILDINGS
4-PREFACE
4-CONTENTS
5-1 SCOPE
5-2 APPLICATION
5-3 REFERENCED DOCUMENTS
5-4 DEFINITIONS
5-4.1 Approved
5-4.2 Drainage flange
5-4.3 Elastomeric material
6-4.4 Enclosed shower
6-4.5 Floor angle
6-4.6 Floor waste
6-4.7 Hob
6-4.8 Leak control system
6-4.9 Membrane
6-4.10 Perimeter flashing angle
6-4.11 Prefinished wall panels
6-4.12 Regulatory authority
6-4.13 Shower base
6-4.14 Shower screen
6-4.15 Shower tray
6-4.16 Shower waste
6-4.17 Vertical flashing angles
6-4.18 Vessel
6-4.19 Wet area
6-5 CLASSIFICATION OF SHOWER TRAYS
7-6 CATEGORY OF RISK
7-6.1 General
7-6.2 Category 1 areas
7-6.3 Category 2 areas
7-7 PERFORMANCE REQUIREMENTS
9-8 DEEMED-TO-COMPLY DETAILS
9-9 CONSTRUCTION
9-9.1 General
10-9.2 Shower bases
10-9.3 Shower trays
10-9.3.1 General
10-9.3.2 In situ trays
11-9.3.3 External trays
11-9.3.3.1 External prefabricated trays
11-9.3.3.2 External in situ trays
11-9.3.3.3 External sheet tray
11-9.3.4 Internal in situ trays
11-9.3.5 Hobless showers
11-9.3.6 Shower-over-bath enclosure
11-9.4 Flashing angles and corner reinforcing tape
11-9.4.1 Perimeter flashing angles
12-9.4.2 Vertical flashing angles
12-9.4.2.1 External vertical flashing angles
13-9.4.2.2 Internal vertical flashing angles
13-9.4.3 Corner reinforcing tape
13-9.5 Corner joints in tiling
15-9.6 Decorative thermosetting laminated sheets
15-9.6.1 Fixing
15-9.6.2 Joints
15-9.7 Proprietary products
15-9.8 Floor wastes
15-10 MATERIALS
15-10.1 General
15-10.2 Adhesives
15-10.3 Cement render and grouting
15-10.4 Angles
15-10.5 Fibre cement sheets
15-10.6 Decorated thermosetting laminated sheet
15-10.7 Sealants
16-10.8 Sheet fastenings
16-10.9 Tiles
16-10.10 Water-resistant plasterboard
17-APPENDIX A - DESIGN CONSIDERATIONS IN WET-AREA WATERPROOFING
17-A1 SCOPE
17-A2 LEAKAGE THROUGH FINISHES
17-A2.1 General
17-A2.2 Types of movement and causes
17-A2.2.1 General
17-A2.2.2 Movement from shrinkage
17-A2.3 Natural drainage
17-A3 MOVEMENT AND WATER PROOFING
17-A3.1 Restricting frame movement
17-A3.2 Wall linings under tiles
17-A3.3 Impervious-sheet wall linings
18-A3.4 Floors
18-A3.4.1 General
18-A3.4.2 Types of moisture barrier
18-A3.4.3 General requirements of barriers
18-A3.4.4 In situ barriers (properties and installation)
18-A3.4.5 Set downs
18-A3.4.6 Showers with hobs
18-A3.4.7 Tiles within shower base
23-APPENDIX B - GENERAL LAYOUTS
26-APPENDIX C - CONSTRUCTION DETAILS