Belmix Flock Fibres

Belmix Flock Fibres


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Belmix Flock Fibres are high-performance multifilament polypropylene fibres, developed as a modern, cost-effective alternative to the traditional use of animal hair in lime mortars, renders, and plasters. Specially flocked for maximum surface contact within the mortar matrix, these fibres provide enhanced strength, flexibility, and durability.

By helping to reduce shrinkage and cracking, improving impact resistance, and assisting with load distribution, Belmix Flock Fibres make lime mortars more resilient in demanding applications. They are particularly effective in renders on wooden laths and high-suction backgrounds, where control of shrinkage and cracking is critical.

  • Budget-Friendly Alternative – Replaces costly and inconsistent animal hair.

  • Ideal for Wooden Laths – Provides reliable reinforcement in traditional applications.

  • Easy to Use – No teasing or clumping issues; disperses quickly into the mix.

  • Flocked Fibres – Increased surface area for stronger bonding within the mortar.

  • Crack & Shrinkage Control – Reduces plastic shrinkage and surface cracking.

  • Improved Impact Resistance – Enhances durability and load-spread capacity.

  • Reduced Waste in Sprayed Renders – Minimises rebound and material loss.

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