• Rhinoluxe Duromastic repair and resurfacing primer
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DUROMASTIC

DUROMASTIC

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Duromastic: a versatile repair and resurfacing primer for courts, cracks and old bitumen

Rhinoluxe Duromastic is a fibre-reinforced binding mastic that repairs and resurfaces damaged exterior surfaces before a new coating goes down. It fills and binds cracks, re-binds tired sport-court surfaces, and keys over aged bitumen so the next layer holds. Built for South African sun and temperature swings, it gives a stable, long-term base on courts, driveways and patched masonry.

Key Benefits

  • Versatile repair. One product for court resurfacing, crack repairs and coating over old bitumen.
  • Fibre-reinforced. Embedded fibres add tensile strength and help bridge hairline cracks.
  • Long-term strength. Cures to a hard, stable base that resists movement and re-cracking.
  • Strong adhesion. Binds to sound bitumen, cement and previously coated surfaces.
  • Exterior-rated. Formulated for outdoor exposure and South African weather.

Technical Overview

Duromastic works as a binding mastic. It penetrates and re-binds friable or cracked substrates, while the reinforcing fibres distribute stress across the repair. On sport courts it re-establishes a uniform surface for a colour topcoat; on aged bitumen it provides a keyed, stable base that stops the old layer telegraphing through. The result is a repaired surface that behaves as one piece rather than a patch.

Specifications

Type Fibre-reinforced binding mastic / resurfacing primer
Primary uses Court resurfacing, crack repair, coating over old bitumen
Reinforcement Fibre-reinforced
Exposure Exterior
Pack sizes 5L, 20L

Technical Guidance

Clean the surface of dust, oil and loose material before application. Open live cracks so the mastic can key into them, then work the product in to fill and bind. Allow the repair to cure before applying a colour topcoat such as Rhino Court. On old bitumen, confirm the existing layer is sound and well-adhered first.

*PLEASE SPEAK TO OUR TEAM REGARDING YOUR PROJECT NEEDS BEFORE PURCHASING THIS PRODUCT AS ITS METHOD STATEMENT IS DIFFERENT FOR EACH PROJECT TYPE.

Size
R 639.40
R 639.40
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Please note: Colour swatches and illustrations displayed are for reference only and may vary from the actual product due to screen settings and batch differences. This product may be custom-made and/or colour-matched to your specification. As such, it is non-returnable and non-refundable. View full details

Questions & Answers

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  • What sizes does Duromastic come in?

    Duromastic is available in 5L and 20L.

  • Can I resurface a court myself with Duromastic?

    Yes, Duromastic can be applied by DIY users on a clean, sound surface. Open live cracks, work the mastic in, and let it cure before the colour coat.

  • Does Duromastic fill cracks?

    Yes, the fibre reinforcement bridges and fills hairline and moving cracks so the repair behaves as one piece.

  • Can Duromastic be applied over old bitumen?

    Yes, Duromastic keys over sound, well-adhered bitumen. Confirm the existing layer is stable and clean first.

  • Can I use Duromastic to resurface a tennis court?

    Yes, Duromastic is made for resurfacing tennis and netball courts. It re-establishes a uniform surface before a colour coat such as Rhino Court.

  • What is Duromastic used for?

    Duromastic is a fibre-reinforced binding mastic for court resurfacing, crack repairs and coating over old bitumen. It re-binds tired surfaces and gives a stable base for a topcoat.