Roof Guard Has A Team Of Licenced Roof Plumbers

We employ a number of roof plumbers who are qualified to complete your project. From a new kilp-lok garage roof to a complete Colorbond re-roof we have it all covered. Here you will find some information on the metal roofing products we offer.

It has become a common practice to replace old metal and tiled roofs with Colorbond steel. Colorbond steel roofing is one of the most thermally efficient roofing materials available, it has superior corrosion resistance, excellent resistance to hail, when installed correctly it will be maintenance-free and it looks great. Keep in mind that the time needs to be taken to choose the right products for the right situations.

Compatibility

The first thing that must be considered when starting a metal roof replacement or renewal is the compatibility of the new and existing materials. All building products need to be checked for compatibility with adjacent materials. These checks need to be for both direct contact between materials, and where water runs from one material to another.

The following guidelines generally avoid material incompatibility:
For zinc-aluminium alloy coated steel, colour coated steel and galvanised steel roofs avoid copper, lead, green or treated timber, stainless steel and mortar or concrete.

In addition, galvanised steel roofs should not receive drainage from aluminium or any inert materials, such as plastics, glass, glazed tiles, colour coated and zinc-aluminium alloy.

Galvanised Steel

This was the main option of steel to choose from up until the mid 8O’s. These days it has been replaced by steel with much better effectiveness and efficiency. The only reason that we would install galvanised steel these days would be to comply with compatibility issues.

Zincalume Steel

Zincalume steel or “zinc” is the newer and improved version of galvanised steel. Zinc is much more resilient against corrosion and has a modern, aesthetically pleasing look. Zincalume steel carries a 25 year warranty from BlueScope Steel.

Colourbond Steel

For the past few decades COLORBOND steel has been the popular choice for many Australians and their roofing needs. COLORBOND steel is developed for, and therefore more resilient to, the intense sunlight and temperatures typical of Australian environments. Featuring a 22 designer-colour palette and advanced paint technology provides a durable, baked-on paint finish that resists peeling, chipping and cracking.

BlueScope Steel offers a warranty against corrosion to perforation by weathering in the natural elements for a period of up to 36 years from the date of installation. They also warrant that the paint system on COLORBOND steel will not flake or peel due to natural weathering for a period of up to 20 years from the date of installation.

Profiles

Once the type of material being used has been chosen it’s time to decide on the profile for the roof. This will be determined by the pitch of the roof and the length of the sheets to be installed. The pitch of the roof is most important in determining the profile used. A lower pitched roof will need a profile that has high sides as water will not be dispersed as quickly as a higher pitched roof. For example, if a corrugated sheet is used on a roof with a pitch less than 5°, it would quickly become submerged under water in a downpour. The end result of this could be catastrophic causing possible leaks and structural damage into the house.

The four main profiles we use are the following:

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