PRIMAflex is a high-performance cellulose fibre cement sheet manufactured with sand, cement, cellulose fibre, and additives. It is one of the most resistant materials there is for your exterior and interior.

IBS PRIMAflex is a cellulose fibre cement panel. Each panel has a smooth, uniform face and is ready to be finished with a variety of paint, lightweight plaster systems or overlaid with ceramic tiles, slate, or stone composite products.

The panels are manufactured in a high-pressure chamber (called an autoclave) from high-grade cellulose pulp fibre, finely ground sand, Portland cement and water. This process makes strong, durable, and non-combustible. It is also moisture resistant and can help with soundproofing.


  • External cladding
  • Internal lining – floors, ceilings, and walls
  • Structural flooring
  • Wet area lining – bathroom
  • Eaves, verandahs, and carports
  • Fire and acoustic walls and floors
  • Bracing solutions
PRIMAflex-Corner PRIMAflex-2 PRIMAflex-3

Order a sample using the form below.

Product Details

L x W x Thickness (mm) Weight (kg) IBS Product Code GTIN
2400 x 300 x 4.5 4.5 PRIMAF04243 9421028760010
2400 x 450 x 4.5 6.8 PRIMAF04244 9421028760027
2400 x 600 x 4.5 9 PRIMAF04246 9421028760034
2400 x 750 x 4.5 11.3 PRIMAF04247 9421028760041
2400 x 900 x 4.5 13.5 PRIMAF04249 9421028760058
2400 x 1200 x 4.5 18 PRIMAF042412 9421028760065
2700 x 900 x 4.5 15.2 PRIMAF04279 9421028767750
2700 x 1200 x 4.5 20.3 PRIMAF042712 9421028760072
3000 x 900 x 4.5 16.9 PRIMAF04309 9421028767767
2400 x 1200 x 6 24 PRIMAF062412 9421028760119
3000 x 1200 x 6 30 PRIMAF063012 9421028760133


Order a sample

If you’d like to order a sample prior to making an order, fill in the form and let us know what you’d like. All samples are A5 size. If you require multiple samples, please contact our team directly on 0800 367 759.

Where to buy

You can also find our products from all major suppliers of building materials and hardware. Find your closest IBS merchants by clicking below.