PRIMA products are manufactured by Saint-Gobain, in accordance with AS/NZS 2908.2. The manufacturing process combines Portland cement, water, finely ground sand, softwood cellulose fibre pulp and additives which are then cured under under high-pressure steam in an autoclave to form a dimensionally stable fibre cement panel.

Product Description

Ceramic Tile Underlay Fibre Cement Sheets

PRIMACTU can be directly fixed to an existing timber, particle board and plywood floor. The material is suitable for use as substrate for ceramic floor tiles on existing timber floor boards with minimal surface preparation.

PRIMA Products have been used in some of the most prestigious developments worldwide because of the functionality, versatility and contemporary features of the board whose Cellulose fibre is derived from FSC® Certified Radiata Pine grown in New Zealand.

  • Superior durability & flexibility
  • Pre-printed with fastener points for ease of installation
  • Asbestos Free
  • User Friendly

Suitable for use as a tile underlay.

When used as a tile underlay it may be installed over a substrate of plywood, timber, particleboard or waterproof membrane with screed.

Additional information

Sizes Available

1800 x 900 x 6mm, 1800 x 1200 x 6mm

SKU N/A Category Tags , ,

Technical Documents

Minor Variation Form


Technical Manual

PRIMA Warranty