Bostik Fibres for Concrete (750g) are a high-performance, easy-to-use additive designed to improve the durability and crack resistance of non-structural concrete and mortar mixes. Engineered for efficiency and compliance, these micro-reinforcement fibres help control shrinkage, reduce cracking, and enhance freeze/thaw and impact resistance—making them ideal for paths, driveways, slabs, and general repair work.
The fibres are easily and evenly dispersed throughout the mix, ensuring consistent reinforcement without clumping or complicated prep. Compliant with EN 14889-2:2006, Class 1a, Bostik Fibres deliver trusted performance with every pour.
Key Features:
Helps minimise cracking and shrinkage in mortar and non-structural concrete
Enhances impact strength and resistance to freeze/thaw cycles
Quick and easy to mix in – no specialist tools required
Supplied in a convenient 750g pack – ideal for site use
Complies with EN 14889-2:2006, Class 1a for micro-reinforcement fibres