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Roo Roofing Blog



Decramastic Roof Replacement in Brisbane

Originally known as ‘decrabond’ or pressed metal tiles, decramastic tiles were widely used in Australia and New Zealand during the 1970s and 1980s. In this post, we look at why people are replacing their decramastic roofs.

What are decramastic roofs?

Made of galvanised steel with a bitumen overlay and a fine stone aggregate embedded in the coating, they were formed into the shape of 5 tiles which were known for being lightweight and were easily installed.

However, because of this, older tiles are known to be vulnerable to the elements and can deteriorate easily over time. Some may even contain asbestos, which are mostly those produced prior to the 1980s.

Why replace them?

Other than the possibility of asbestos, here are just a few of the most common reasons: 

  • Age - Sure, all roofing materials degrade over time, but decramastic tiles are vulnerable to degradation and when they get older, the damage starts to show - fraying at the ends, gaping holes/cracks, dented tiles, chipped paint etc.
    The surface coating and texture of many less expensive types of older tiles are believed to be highly sensitive to changing temperatures. If your roof dates back to the 1970s and 1980s it's recommended that you get a professional to assess the old tiles before any replacement takes place.

  • Weather Damage - Storm season (especially in Queensland) can be damaging to properties, and is particularly degrading to decramastic roofing. While damage is often repairable, basic patching techniques aren't usually viable or recommended.

  • Cracks & Dents - Since the tiles themselves are easily cracked and damaged, they can start showing wear & tear quite quickly, even during routine cleaning or repair time. The tiles are especially fragile due to having lost their original malleability. Attempting to pop up a dent may cause the tile to split, accelerating the need for repairs or replacements.

How do you replace a decramastic roof?

There are many modern alternatives to replace your roof. Our team at Roo Roofing specialise in decramastic roof replacement Brisbane, from start to finish, such as inspecting the current roof capabilities to installing a new metal Colorbond roof or other roofing of your choice. 

Being Brisbane locals and having many years of experience in the roofing industry, we have replaced decramastic roof tiles in homes all over South East Queensland. We can offer expert advice on the best option for a aging decramastic roof.



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