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Construction Microfibers

Concrete Fiber – Polypropylene (PP) and PVA Microfiber for Screeds, Plaster and Foundations

Building fiber for crack control, slab reinforcement and improved concrete durability. Packages from 150g. Delivery to pickup points and parcel lockers in Estonia, Finland, Latvia and Lithuania.

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Products

Available in 150 g, 600 g, and 900 g packages

Polypropylene (PP) Microfiber 6mm (PPMIF06)

Diameter 22-32 μm, tensile strength ≥500 MPa, elastic modulus ≥3500 MPa. Prevents plastic shrinkage cracks in the early concrete curing stage. Disperses uniformly during standard mixing. For floor screeds, plasters, monolithic concrete. Dosage 0.6-0.9 kg/m³.

Polypropylene (PP) Microfiber 12mm (PPMIF12)

Same properties, longer fiber length. More effective crack bridging along fiber length. For structural concrete, shotcrete, underground structures.

Polypropylene (PP) Mesh Fiber 20mm (PPMEF20)

Diameter ~100 μm, tensile strength ≥450 MPa. Mesh structure opens during mixing and forms a three-dimensional support framework inside the concrete. Alternative to anti-shrinkage mesh. For industrial floors, shotcrete, repair mortars.

Polyvinyl Alcohol (PVA) Microfiber 20mm (PVAMIF20)

Diameter 15-25 μm, tensile strength ≥1200 MPa, elastic modulus ≥35 GPa. Hydrophilic surface provides high bond with cement matrix. For critical structures, ECC, marine and underground applications.

Polypropylene (PP) Macrofiber 50mm (PPMAF50) — pre-order

Diameter 1.0 mm, tensile strength 450 MPa, modulus 5100 MPa. Structural fiber — replaces steel mesh in ground-supported floors and non-structural applications.

Basalt Fiber 18 mm (BAF18) — pre-order

Tensile strength 2600 MPa, modulus 85 GPa, alkali resistance ≥80%. Mineral fiber for wet and aggressive environments — does not corrode unlike steel.

Not sure how much fiber you need?

Enter area and layer thickness — the calculator recommends the fiber type and exact number of packages.

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PP or PVA — which to choose

Polypropylene (PP) microfiber — cost-effective solution for shrinkage crack control in screeds, plasters and general construction concrete. Chemically inert, non-corrosive, adds no structural weight.

Polyvinyl Alcohol (PVA) fiber — when high matrix bond strength and long-term durability are required. Used in demanding applications: high-performance concrete, marine and underground structures.

B2B Orders

For construction companies — corporate terms; invoice payment on request. At checkout, tick "I am ordering for a company" and enter your business details.

Delivery

Delivery to pickup points and parcel lockers in Estonia, Finland, Latvia and Lithuania. The carriers available for your country are shown at checkout, where you choose the carrier and pickup point; the delivery cost is shown before payment.