Warning Signs Your Backyard Shed May Contain Asbestos

Aussie backyards are full of surprises, and not all of them are pleasant. That old shed leaning quietly in the corner of your yard could be hiding a serious health hazard. At Total Asbestos Removal Brisbane, we regularly inspect backyard structures built before the 1990s, and many still contain asbestos sheeting. Here are the warning signs every homeowner should know before picking up a hammer.
Key Takeaways
- Sheds built before 1990 often contain asbestos cement sheeting
- Weathering can turn stable asbestos into a friable, riskier state
- Cracking, chalky surfaces and crumbling edges are red flags
- Professional testing is the only reliable way to confirm asbestos
- Never drill, cut or sand suspect sheeting yourself
Why Old Sheds Are an Asbestos Hotspot
Sheds rarely get the same attention as the main house, yet many backyard structures built before 1990 were made from asbestos cement sheeting, often called fibro. It was cheap, fire resistant and easy to work with, so it became the go to choice for garages, chook pens and tool sheds across Queensland. Asbestos Safety and Eradication Agency records show corrugated asbestos cement sheeting was widely used on sheds, garages and outbuildings right through to the late 1980s.
Because sheds sit exposed to the weather, sun, rain and wind gradually wear down the surface. This process can turn stable, bonded asbestos into a more fragile, friable state, which is far easier to release into the air. The Australian Asbestos Network traces how fibro cement became the backbone of backyard construction throughout the mid twentieth century, particularly in outbuildings owned by everyday families.
Telltale Signs Your Shed May Contain Asbestos
- Age of the structure, anything built or clad before 1990 is a strong candidate
- Flat or corrugated grey sheeting, smooth or dimpled, often with a slightly bumpy texture
- Small nail heads or moulded battens used to join sheets together
- Cracking, chalky surfaces or crumbling edges, a sign the material may already be friable
- Visible fibre strands on broken or damaged edges
Check the asbestos warning signs across garages, outbuildings and fence linesif your property has more than one older structure.
What Happens When Asbestos Fibres Are Disturbed
Asbestos itself is not dangerous while it stays intact and undisturbed. The trouble starts the moment someone drills, cuts, sands or smashes the sheeting, releasing microscopic fibres into the air. Once inhaled, these fibres can settle in the lungs and, over many years, contribute to serious diseases including mesothelioma and asbestosis. Monash University researchers tracking the Australian Mesothelioma Registry found that nearly all recorded cases were linked to asbestos exposure.
A recent Mirage News report on Asbestos Awareness Week noted that asbestos has been used in more than 3,000 building products and can still be found in backyard structures, chook sheds and even dog kennels built before the ban. Around half of all asbestos products installed decades ago remain in place today, much of it quietly ageing in Australian backyards.
Testing Before You Renovate or Demolish
Never guess. The only reliable way to confirm whether your shed contains asbestos is through professional testing. Asbestos Testing Services team at Total Asbestos Removal Brisbane collects samples safely and has them analysed in a certified laboratory, giving you a clear answer before any work begins. This step matters even for small jobs; almost one in three Australian homes contain asbestos somewhere on the property.
Fencing capped with matching material built before 1990 is a common giveaway, and the same logic applies to shed cladding and roofing.
Safe Steps If You Suspect Asbestos
- Stop work immediately and avoid touching the material
- Keep children and pets away from the area
- Do not sweep, hose, sand or drill the surface
- Photograph the shed from a distance for your records
- Call a licensed asbestos removalist for testing and advice
A Build Australia industry report on legacy asbestos confirms that renovation activity remains one of the most common ways Australians accidentally disturb old asbestos materials, which is exactly why professional guidance matters before any backyard project begins.
Conclusion
That leaning old shed might look harmless, but its age and condition could tell a different story. Spotting the warning signs early protects your family and keeps your renovation on track. If you suspect your shed contains asbestos, contact us today for a professional inspection, testing and safe removal you can rely on.
FAQs:
How can I tell if my shed has asbestos?
Look for grey corrugated or flat sheeting commonly installed before 1990, particularly if the material appears cracked, chalky, or crumbling around the edges. Professional testing is the only way to confirm asbestos.
Is it safe to paint over an old asbestos shed?
Painting may temporarily seal bonded asbestos, but professional testing and advice should be obtained before disturbing or treating any asbestos-containing surface.
Can I remove a small asbestos shed myself?
Queensland regulations may allow limited asbestos removal in certain circumstances, but engaging a licensed asbestos removal professional is strongly recommended to ensure safe handling.
How much does asbestos shed removal cost in Brisbane?
Asbestos shed removal costs vary depending on the shed size, accessibility, and whether the asbestos is friable. Prices generally range from around $35 to $240 per square metre.
What should I do if my shed’s asbestos sheeting is cracked?
Stop any activity near the damaged material, avoid disturbing the sheeting, and arrange a licensed asbestos inspection and testing service as soon as possible.
Does asbestos in a shed affect my property value?
Yes. Unresolved asbestos can reduce buyer confidence and potentially affect property value, making professional assessment and removal a worthwhile consideration.





