Maintenance FAQs
Many products made from COLORBOND® steel eg gutters, fascias, downpipes, are supplied with a specially designed polyethylene film called CORSTRIP® strippable film. This film protects the sheet during storage and handling and shoul...
For information on how to keep your COLORBOND® steel looking great, view our page Maintain COLORBOND® steel and ZINCALUME® steel. If you think you may have fungus growing on the surface, view our page Identify and Remove Fungus....
BlueScope Steel does not recommend the use of touch up paints on COLORBOND® steel. The manufacturing process that gives COLORBOND® steel its colour and gloss retention properties means that the surface weathers differently to air drying paint. Aft...
Our recommendation is not to touch up. Minor scratching will not affect the life of the sheet and is rarely obvious to a casual observer. Should damage be substantial, replace the sheet. We particularly recommend against the use of spray cans, as these ca...
Please view our page: Maintain COLORBOND® steel and ZINCALUME® steel
This is usually a result of the use of touch up paint on the sheeting. The manufacturing process which gives COLORBOND® steel its colour and gloss retention properties means its surface weathers differently to air-drying paint. After weathering, areas...
BlueScope Steel recommend 'cold cutting' coated steel products. If this recommendation is followed, these products will 'self heal', that is, the zinc in the surrounding coating will protect the newly exposed edge. How does this happen? In the presence of...
You're probably looking at swarf stains. Swarf is the term given to the steel debris arising from cutting or piercing operations, and mostly comprises of fine steel particles mixed with abrasive, however, in this context swarf may also be taken to include...
The appearance of COLORBOND® steel affected by weathering can often be restored by re-painting. Please contact a roof restoration expert to assess the suitability of the roof for re-painting. If the roof is in a suitable state for re-paintin...
Your fence is very easy to maintain. Here's a few tips to make sure it keeps looking great. Wipe or hose it down regularly, at least once every six months or more if you live in a coastal area (water restrictions permitting). Pay particular attention to ...
How to identify you have fungus Fungal growth can occur on virtually all surfaces when the "micro-environment" on and around a particular installation is conducive to it. In general, it is believed that fungi can grow as a result of suitable conditions,...
Please view our techical bulletin: Technical Bulletin TB 24 - COLORBOND® prepainted steel and Graffiti (61 KB)...
When brickwork is completed it is usual to clean excess mortar from the brick surface with an acid solution. If this acid contacts prepainted steel sheeting and gutters, early failure of the paint and corrosion of the metal can occur. The acid can pass th...
With steel building frames made from TRUECORE® steel, mortar splashes from bricklaying operations are rarely a direct cause for concern. However, TRUECORE® steel, ZINCALUME® steel and COLORBOND® steel (manufactured with a ZINCALUME® st...
All light products have a greater tendency to show dirt than darker colours. Fortunately all COLORBOND® steel has excellent resistance to dirt retention, so regular washing from the rain is all that is usually required to keep your roof looking great....
If not required for immediate use, sheets or bundles should be neatly stacked clear of the ground. If left in the open, they should be protected from rain and moisture with tarpaulins or similar covers. On no account should steel sheeting be allowed to ge...
For practical tips on walling Inspection and Maintenance view our pages: Walling Maintenance and Walling Inspection and Maintenance Tips Walling Maintenance ...
Generally, a metal roof will stand up well to hail storms. The roof sheeting will absorb the energy of the hail stone and remain structurally sound. However, indentations may occur along with loss of the paint topcoat. In most cases indentations from...
It is recommended that ZINCALUME® steel not be heated above 200°C. GALVALUME® steel (Zn-Al alloy coated, resin free) should not be heated above 350°C. It is recommended that zinc coatings not be heated above 250°C. COLORBOND® st...




