LDB, sometimes known under its brand names Asbestolux or Durolux, is a low-density asbestos fibreboard. Its fibres are lightly compressed and look similar to asbestos cement sheeting or plasterboard.
The difference with LBD is the asbestos fibres are not bound by a cement matrix, like in bonded or non-friable asbestos sheeting. Instead, the asbestos fibres are generally bound in calcium silicate plaster.
This makes LDB soft and can be indented by the light push of a fingernail into the surface. LDB can be made up of 70% asbestos fibre and presents a significant risk of producing airborne particles of this hazardous material.
It was commonly used as a material for ceiling coverage and floating ceilings and is still present on many aging building sites, particularly commercial and industrial building sites. It has been found in schools and offices being used as pinboards.
Discerning whether a sheet contains asbestos is nearly impossible to detect by touch and sight alone. The only way to ensure a panel is asbestos-free or is inface LDB is via laboratory testing by a professional NATA accredited lab technician.
While intact and in situ, LDB is classed as non-friable asbestos sheeting and does not pose a significant risk while in a stable condition. LDB when damaged, broken or during removal, however, is considered a friable asbestos product and poses a high risk of releasing airborne particles that can subsequently be inhaled or ingested accidentally.
Under Australian law, identification, containment, management, removal and disposal of all friable asbestos products must be undertaken by a licensed asbestos professional.
For more information regarding LDB and the current Government Fact Sheet, click here:
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Between the early 1920s and early 1980s, asbestos products were used extensively in residential, commercial and industrial construction Australia wide. This product was affordable, durable, weather-resistant, fire retardant, and effective in humid climates.
Throughout the 1970s, it became apparent that those who worked with asbestos products were developing a range of severe and sometimes fatal health conditions that were later linked directly to asbestos dust and fibre inhalation and ingestion.
These health conditions, including diseases and conditions such as:
Australia has some of the highest cases of mesothelioma and asbestosis globally, and both diseases at this stage are exclusively linked to asbestos exposure. There is no current cure for either.
All asbestos products were phased out during the 1980s and 90s and on the 31st of December 2003 was banned nationally from all import, sales, usage and storage by all federal and state-level health and safety authorities.
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