Technical Bulletins

The following Technical Bulletins offer detailed information and recommendations on the use of BlueScope Steel products. A summary of the contents of each Technical Bulletin (TB) is included for your reference.

Also available are Forming Technical Bulletins and Corrosion Technical Bulletins for detailed information regarding these two areas.

Download Technical Bulletin TB 1a - Steel Roofing Products - Selection Guide (281 KB)
Rev 5, June 2007

General applications of steel roofing products
Environmental factors
Atmospheric exposure conditions
Intensive animal farming and unusually harsh service conditions
Table 1: Recommended BlueScope Steel product guide for roofing in marine environments

Download Technical Bulletin TB 1b - Steel Walling Products - Selection Guide (133 KB)
Rev 4, June 2007

Performance of steel walling
Unwashed areas
Design utilising COLORBOND® prepainted steel walling
Product selection and maintenance
Table 1: Walling products selection guide

Download Technical Bulletin TB 2 - Overpainting and Restoration of COLORBOND® prepainted steel sheet (223 KB)
Rev 7, November 2003

Overpainting - new surfaces, old damaged surfaces
Suitable paints
Accessory painting or match painting
Handling COLORBOND® steel

Download Technical Bulletin TB 3 - AQUAPLATE® steel for Water Tanks (224 KB)
Rev 8, November 2003

Description of AQUAPLATE® steel
Material specification and performance
Method of construction, tank installation and connection
Painting of exterior tanks walls
Good practice with drinking water tanks

Download Technical Bulletin TB 4 - Maintenance of COLORBOND® prepainted steel roofing (235 KB)
Rev 6, June 2008

Maintenance of COLORBOND® steel roofing
Method for cleaning COLORBOND® steel products
Precaution against corrosion

Download Technical Bulletin TB 5 - Swarf Staining of Steel Roofing and Walling Profiles (220 KB)
Rev 5, November 2003

General information on swarf
Prevention of swarf - cutting, drilling and cleaning up
Identification of swarf
Effect of swarf on performance
Repair of swarf on metallic coated and prepainted steel

Download Technical Bulletin TB 6 - Curving of Corrugated Steel Sheeting (515 KB)
Rev 5, November 2003

Introduction to curving
Material specification table
Curving Rolls
Common problems, their causes and the remedies
Curving of COLORBOND® steel, AQUAPLATE® steel & ZINCALUME® steel

Download Technical Bulletin TB 7 - Care and Storage of Exterior BlueScope Steel Products Prior to Installation (390 KB)
Rev 6, November 2003

Normal packing procedure
How to identify storage stains on zinc coated and ZINCALUME® steel sheet
The effect of storage stain
Remedial treatment
Table 1: Summary of product appearance and related severity of attack arising from wet storage

Download Technical Bulletin TB 8 - Flashing Materials for ZINCALUME® steel and COLORBOND® steel sheet (238 KB)
Rev 7, November 2003

Compatibility of metals - lead & copper
Other flashing materials

Download Technical Bulletin TB 9 - Sealants for Exterior Finishes (140 KB)
Rev 6, November 2003

Introduction to sealants
Size of fasteners
Simple means of sealing, fastening & joining
Painting over silicon contaminated surfaces
Tankmaking

Download Technical Bulletin TB 10 - Cut Edge Protection of zinc-coated and zinc-aluminium alloy-coated steel (335 KB)
Rev 5, November 2003

The effect of cut edges
How metallic coatings provide protection

Download Technical Bulletin TB 13 - General Guide to Good Practices in the use of Steel Roofing and Walling Products (252 KB)
Rev 6, November 2007

Correct selection of materials
Design - minimum pitch, correct support spacing, steel thickness
Site storage before building, laying procedure
Fasteners - placement, size, type, life expectancy and compatibility
Avoidance of swarf damage
Compatibility of accessories including flashings and sealants
Maintenance procedures to contribute to long life

Download Technical Bulletin TB 14 - Builders Guide to Australian Steel Sheet and Strip Standards (354 KB)
Rev 4, November 2003

Steel sheet material standards - coating class, mechanical properties
Product and installation standards
Coating types and their compatibility with other metals
How to specify for best product performance - corrugated roofing/wall cladding, other profiles of roofing/wall cladding, rainwater goods

Download Technical Bulletin TB 15 - Recommended Steel Gutter Systems (268 KB)
Rev 7, June 2008

What happens to rainwater
Effect of roofing material
A Case Study
BlueScope Steel Research Laboratories studies
Importance of correct specification
Gutter and downpipe specification

Download Technical Bulletin TB 16 - Fasteners for Roofing and Walling Products - Selection Guide (154 KB)
Rev 8, November 2003

Environmental conditions
Choice of fasteners for long life
Washers used with fasteners
Shank corrosion
Material compatibility and fastener types
Table 1: Fastener materials foruse with roofing and walling manufactured from BlueScope Steel strip and sheet products

Download Technical Bulletin TB 17 - Selection Guide for Galvanized Steel Purlin Products (290 KB)
Rev 5, November 2003

Products for purlin manufacture
Factors influencing purlin performance - regional influences, unwashed areas of buildings
Table 1: Coating class recommendations for typical building applications
Table 2: Guide to atmospheric exposure conditions

Download Technical Bulletin TB 18 - Guide to Good Practice - Processing and Application of ZINCALUME® steel (143 KB)
Rev 5, November 2003

Storing and forming ZINCALUME® steel
Field painting - architectural, decorative, industrial & severe environment use
Slitting ZINCALUME® steel
Fastening, joining and welding
Adverse conditions

Download Technical Bulletin TB 19 - COLORBOND® Metallic prepainted steel (395 KB)
Rev 4, November 2003

Geometric metamerism
Ordering
Rollforming
Installation

Download Technical Bulletin TB 21 - Resistance Spot Welding of BlueScope Steel Metallic-Coated Steel Sheet (265 KB)
Rev 4, November 2004

The mechanism of electrode degredation
The effect of welding current upslope
The effect of electrode tip angle
The effect of electrode tip diameter
The effect of electrode chemistries
Some do's and don'ts

Download Technical Bulletin TB 22 - COLORBOND® prepainted steel - Colour Selection (186 KB)
Rev 2, November 2003

Reason for colour change
Problems with colour

Download Technical Bulletin TB 23 - Possible Problems Relating to the Mixing of Different Prepainted Products (231 KB)
Rev 4, November 2003

Different paint systems
Stock turnover

Download Technical Bulletin TB 24 - COLORBOND® prepainted steel and Graffiti (128 KB)
Rev 4, January 2006

Anti-graffiti coatings
Graffiti removers

Download Technical Bulletin TB 25 - Vitreous Enamelling (223 KB)
Rev 3, November 2003

Enamel Coatings
Pretreatment
Enamelling steels - fishscale resistance, steel type, fabrication
Enamelling defects
Recommended further reading

Download Technical Bulletin TB 26 - Weathering Resistant Steels (168 KB)
Rev 4, June 2004

Corrosion Resistance
Use and handling of weathering steels
Welding
Availability

Download Technical Bulletin TB 27 - Identification of Fungus in the field and Recommendations for its Removal (393 KB)
Rev 3, November 2003

Occurrence of fungus
Characteristics of fungus - heavy overall, spotty overall, isolated heavy areas, lichen
Identification of fungus
Cleaning and restoration of affected areas

Download Technical Bulletin TB 28 - Building Materials and Reflectivity (233 KB)
Rev 2, November 2003