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Fibro and Asbestos: Your questions answered

Fibro and Asbestos: Your questions answered

What is fibro?

“Fibro” is an abbreviation for “fibrous cement sheet”. It’s a building product that uses a fibrous material – most commonly asbestos – to reinforce thin cement sheets.

Although asbestos-containing fibro has been used all around the world, historically Australia manufactured most of the world’s fibro, and also had the highest rates of fibro use. Entire suburbs in the post-war building boom were largely constructed of fibro, creating “fibro belts” in all Australian cities.

What types of fibro are there?

The most common types of fibro are flat sheets used for ceilings and walls, and corrugated sheets used for ceilings (also known as “super six” roofing).

Corrugated fibro roofing

Corrugated fibro roofing (Source: Billbeee at en.wikipedia)

Other types of fibro include “Tilux” wet area sheeting, water and draining pipes, and moulded products.

Does all fibro contain asbestos?

No. The use of asbestos in fibro was phased out during the 1980s, and stopped entirely by 1987. Nowadays, fibro is reinforced with cellulose rather than asbestos.

However, fibro is nowhere near as popular a material as it used to be. If your home contains fibro, there’s a strong likelihood that it is the older, asbestos-containing variety.

Is asbestos-containing fibro dangerous?

Not necessarily. Fibro is a type of “bonded” asbestos, meaning that if it’s in good condition and left undisturbed, there’s no danger of asbestos fibres being released into the atmosphere.

However, that’s a big “if”! A number of things can happen to break down fibro, including:

  • general weathering, especially on fibro roofs exposed to the elements
  • hail damage
  • fire damage
  • home renovations in which the fibro is drilled into or otherwise disturbed

All of these things carry the risk of making the asbestos “friable”, meaning that you could breathe in asbestos fibres, increasing your risk of severe respiratory illnesses such as mesothelioma, asbestosis and lung cancer.

What precautions should I take when dealing with fibro?

If you’ve found something in your house or workplace that you think might be asbestos from damaged fibro, the best thing to do is have a sample tested by Airsafe. We’ll get a definitive answer to you within a day. (Please note, we need a physical sample; we can’t give you an answer based on you describing the material over the phone.)

If you’re planning renovations in a property you suspect contains asbestos in fibro, your best bet is to get an asbestos survey from Airsafe. We’ll be happy to give you a quick quote for a household asbestos survey or a commercial asbestos survey.

What if I need to remove fibro?

If you’re removing more than 10 square metres of fibro, you must engage a licensed asbestos removal contractor. Contact Airsafe on (02) 9555 9034 for a recommendation – we work with asbestos removal contractors all over NSW, and we only recommend the best.

More information

WorkCover NSW has a helpful guide to fibro and asbestos for homeowners and renovators [PDF].

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