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Brick Superstore£30.90Visit shop Siteworx White Concrete And Screed Fibres - 900G Polypropylene
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The Siteworx Concrete and Screed Fibres (900g) are essential for trade professionals and DIY enthusiasts looking to enhance the structural integrity of their concrete and screed mixes. By incorporating these 20mm polypropylene fibres into your mixture, you significantly minimize shrinkage and cracking, resulting in a more durable finished surface. While these fibres offer superior crack control, it is important to note that they are designed as a secondary reinforcement material and should not replace structural steel reinforcement in load-bearing applications.
| Model Part Number | SWCF9 |
|---|---|
| Brand | Siteworx |
No, these are secondary reinforcement fibres intended for crack control and should not be used as a substitute for structural steel.
Dosage depends on the specific project requirements; always refer to the structural specifications or mix design provided by your concrete supplier.
Yes, they are made of standard polypropylene; however, it is recommended to wear gloves and a dust mask to avoid irritation when handling the dry fibers.
No, the polypropylene material is chemically inert and will not affect the curing process or the color of your concrete or screed.
They are primarily designed for sand-cement screeds and concrete; check the manufacturer's instructions of your specific leveling compound before adding additives.
Ensure the fibers are added gradually into the mixer while it is rotating and before water is added to allow for mechanical separation.
Use a finishing trowel to press the fibers down or lightly burn off surface fibers with a specialized torch after the concrete has cured.
To use the Siteworx fibres, simply add the required amount to your mixer along with your dry aggregate and cement before adding water. This ensures the fibres distribute evenly throughout the mix rather than clumping. These fibres are compatible with all standard Portland cement-based concrete and sand-cement screeds. When finishing the surface, use a steel float or power trowel as normal; however, be aware that some fibers may remain visible on the surface. If a completely smooth finish is required, a light broom finish or grinding after the concrete has fully cured can remove protruding fibers.
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