If your home has an asbestos roof, should you be worried? Many homes in south-east Queensland built before 1983 are topped with corrugated asbestos roofs. In this article, we explore when is asbestos roofing harmful, asbestos roof health hazards and the hazards of ignoring asbestos in your roof. Finally, we offer advice on how to ensure your asbestos removal procedure is with the utmost care and safety.
Yes, asbestos roofing can be dangerous if the asbestos roof sheeting is moved or disturbed. Why? When the tiny particles of asbestos become airborne, they are easily inhaled and can become lodged in the lungs, where they may develop into a disease. For this reason, asbestos is widely regarded as a silent killer and has been banned from use in Queensland since 2003.
Asbestos is a group of naturally-occurring silicate minerals, made of soft, flexible fibres that take on a fluffy consistency when pulled. Resistant to heat, electricity and corrosion, asbestos was traditionally used to reinforce and add strength to cement, plastic and roofing materials.
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Corrugated asbestos roofs are a familiar sight in south-east Queensland. Due to its superior strength, thermal qualities and fire retardancy, asbestos was widely used in roofing and insulation for Australian homes until the 1980s.
Research shows that undisturbed asbestos roofs in good condition typically do not pose a health risk if the asbestos fibres remain bound in solid cement. Asbestos roof sheets become more of a hazard over time, becoming brittle and deteriorating with exposure to the sun, rain and hailstorms. If your asbestos roof is damaged, crumbling or disturbed by fire, breaking, cutting, drilling or sanding, the asbestos fibres may become airborne and dangerous. The more weathered your roof becomes, the more significant the health risk.
Unfortunately, asbestos fibres are microscopic. They cannot be seen, smelled or tasted. If a person ingests asbestos dust, the fibres will become permanently trapped in the body, triggering inflammation, scarring and causing genetic damage to the body’s cells.
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Asbestos is known to cause fatal diseases such as asbestosis, lung cancer and mesothelioma. The symptoms of these diseases do not usually appear until about 20 to 30 years after first exposure. Science is yet to identify a way to reverse the cellular damage caused by asbestos.
While no amount of asbestos can be considered safe, asbestos is most dangerous when a person is exposed to a strong concentration or exposed to moderate amounts on a regular basis for a long time.
For most people with asbestos roofs, the risk of damage to your health is low. However, you may feel safer if you take a proactive approach to replace your old asbestos roof, to prevent the fibres from becoming airborne in the future.
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Other than health risks, there are other reasons you might want to remove your asbestos roof. For example, asbestos roofing can make it difficult to sell or insure your property. Asbestos roofs can even make home insurance more costly.
Replacing your asbestos roof sooner rather than later provides peace of mind and minimises your risk of health complications. By being proactive now, you avoid the potential hassle of replacing your roof if removal becomes compulsory.
Asbestos roof removal and replacement is a complex and delicate procedure that requires professional expertise. Above all, your roofing contractor should be licensed to perform this work. The team at has the right tools, knowledge, experience and licences to remove your asbestos roof safely.
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To avoid disturbing the asbestos or releasing harmful asbestos dust, we remove each asbestos sheet with extreme care and consideration. Before we start, we thoroughly wet down the roofing sheet with a solution of polyvinyl acetate (PVA). We pull out any nails in your roof to help remove the sheeting with minimal breakage and lower each sheet by hand individually to the ground. For high set homes, we use a mechanical lift to assist.
We lightly spray your asbestos sheet with a 1:10 polyvinyl acetate (PVA) on the go. Our aim is to keep the asbestos wet until it is packaged for transport.
Once your asbestos roofing sheets have been safely removed, we give your ceiling a thorough clean using industrial hazardous vacuum cleaners designed for asbestos removal. Finally, we spray a PVA solution on your ceiling to seal the surface.
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To guarantee we are disposing of asbestos in a safe and lawful way, we stack your asbestos sheets and wrap them tightly in two layers of thick, heavy-duty plastic to keep them sealed and protect your family.
Next, we will contact a licensed asbestos transporter to deliver your asbestos roofing sheets to an asbestos disposal facility. All asbestos that we remove is disposed of responsibly in the safest way possible.
To certify your roof is completely asbestos-free, we arrange a third party inspection. When this is complete, we will provide you with a copy of the report.
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By this stage, we are ready for the roof installation. Before this commences, we will check and re-screw existing timber battens. Finally, we will install your new roof with scribed capping, valleys, flashings and fastenings. Your old asbestos roof will be replaced with a safe, modern metal roof from COLORBOND®, ZINCALUME® or COLORBOND® Ultra. A new metal roof is safer, more aesthetically pleasing and more durable than an asbestos roof.
Suspect that your roof may contain asbestos? Contact us today on (07) 3623 4422 for a quote on inspecting and replacing your roof with a safe, modern roofing solution.We and our partners use cookies to Store and/or access information on a device. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. An example of data being processed may be a unique identifier stored in a cookie. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. The consent submitted will only be used for data processing originating from this website. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page..
While inflexible building materials may get flawed over time, asbestos will not suffer too much from outside tensions related to outside conditions, which also implies that there will be fewer issues regarding repairs or other efforts that need to be taken over time.
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This may be especially important in regions where those pests are a big problem and other materials may not be suitable due to their lower level of resistance against those pests.
Therefore, in some regions of our planet, asbestos may perform significantly better in terms of pest resistance compared to other conventional construction materials.
Compared to wood and synthetic materials, asbestos usually has a much longer duration since it is better able to resist outside weather conditions.
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Thus, due to this extensive variety of purposes for which asbestos can be used, using this material has been quite popular for quite a while in the past.
The use of asbestos for insulation can also save you plenty of money since you can save plenty of energy in the long run.
However, those energy savings also come at a high price which we will see later in this article when it comes to the problems related to asbestos.
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Therefore, asbestos can also be considered to be quite convenient in terms of cleaning and thus, it may be a good choice for homeowners who don’t want to renew the paint of their walls too often.
In order to maximize the lifespan of a building, asbestos can be mixed into the cement in order to produce asbestos-cement which is usually much more durable compared to conventional cement.
Chances are that the fire might quickly spread onto the other flats of the building if it is made out of wood.
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However, if an asbestos-cement had been used for construction, it may take longer until the fire spreads and you may have enough time to leave the building and to get to safety.
Asbestos is also a rather inexpensive construction material, which made it quite attractive to use for many construction companies a few decades ago.
While it is still used from time to time, the majority of companies refrain from using asbestos nowadays due to the various health hazards.
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Since it is quite durable, insulations or roofs that are made with the help of asbestos also often do not require too much maintenance efforts.
Thus, also from a cost perspective, asbestos can be regarded to be a quite preferable material, at least until it has to be removed.
One problem with asbestos is its high removal costs. Since asbestos is quite toxic to human health, it can only be removed by using special equipment.
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Therefore, once insulations or roofs that have been made out of asbestos have to be removed, there will be significant costs for homeowners.
Not only the removal of asbestos is problematic, also repairs related to asbestos can be tricky and risky and quite often, but you will also need companies that have
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