Asbestos Insulating Board
Asbestos Insulating Board is a lightly compressed board made from Asbestos fibre and hydrated Portland cement or calcium silicate with other filler materials and can be used for structural purposes e.g. as a partition.

What Were Asbestos Millboard Products Used For & Where Are They Commonly Found?
- Commonly Found: Asbestos millboard products are usually found within ceiling tiles, wall panels, fire doors, window panels, soffits, boxing around structural steel work and lift shafts.
- Commonly Used for: They are commonly used in fire protection, thermal and acoustic insulation, resistance to moisture movement and general building board. Found in service ducts, firebreaks, infill panels, partitions and ceilings (including ceiling tiles), roof underlay, wall linings, external canopies and porch linings.
Acoustic Insulation Board: Asbestos Millboard Products
Crocidolite (blue) asbestos was used in some millboard manufacturing between 1896 and 1965; usually chrysotile (white) asbestos. Insulation boards that were manufactured in this time period may contain between 37-97% asbestos, with a mixture of clay and starch.
- Commonly Found: Pipe runs, electrical gear, vaults, storage.
- Commonly used for: General heat insulation and fire protection and also used for insulation of electrical equipment and plant.
Asbestos Millboard FAQs
Asbestos insulation boards are heat resistant sheets made with asbestos fibres, often used for insulation, fireproofing, and electrical panels.
Asbestos millboard is typically found in old heating equipment, furnaces, and electrical panels and it was used in both domestic and industrial applications before the use of asbestos products was banned .
Yes, Asbestos millboards are hazardous as they can release asbestos fibres if broken or damaged which poses a serious health risk if inhaled.
The removal process involves isolating the area and carefully extracting the millboard to prevent any fibre release. Disposal must follow strict regulatory guidelines so we recommend you get in touch with us at 0115 932 6521 or [email protected] if you believe you have any asbestos millboards in your property.
If asbestos millboard is in good condition and unlikely to be disturbed, it can sometimes be left in place and monitored. However, any damaged or deteriorating millboard should be removed by professionals.
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