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Harmer Modular 135

Made from durable, corrosion-resistant stainless steel, the Harmer Modular 135 System delivers long-lasting strength and high-flow performance with a 135mm grating width and load class ratings up to C250; ideal for heavy foot traffic and light vehicle use.

Its sleek, modern appearance and choice of surface finishes allow it to complement any architectural style, creating a clean and cohesive look.

Easy to install and adaptable to different drainage needs, the Harmer Modular 135 is a reliable, high-performance solution for commercial, residential, and mixed-use projects.

To find out more, read the brochure here.

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  1. 0.5m Stainless Steel Channel
    0.5m Stainless Steel Channel
    Estimated Delivery date is 20/07/2026
    From £178.49
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  2. 1m Stainless Steel Channel
    1m Stainless Steel Channel
    Estimated Delivery date is 21/07/2026
    From £191.73
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  3. 2m Stainless Steel Channel
    2m Stainless Steel Channel
    Estimated Delivery date is 21/07/2026
    From £264.94
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  4. 2.5m Stainless Steel Channel
    2.5m Stainless Steel Channel
    Estimated Delivery date is 21/07/2026
    From £319.83
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  5. Stainless Steel 90° Angle
    Stainless Steel 90° Angle
    Estimated Delivery date is 20/07/2026
    From £274.80
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  6. Stainless Steel T-Junction
    Stainless Steel T-Junction
    Estimated Delivery date is 21/07/2026
    From £326.66
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  7. 0.5m Stainless Steel Channel With Centre Outlet
    0.5m Stainless Steel Channel With Centre Outlet
    Estimated Delivery date is 21/07/2026
    From £290.83
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  8. 1m Stainless Steel Channel With Centre Outlet
    1m Stainless Steel Channel With Centre Outlet
    Estimated Delivery date is 21/07/2026
    From £304.07
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  9. 0.5m Stainless Steel Channel With End Outlet
    0.5m Stainless Steel Channel With End Outlet
    Estimated Delivery date is 21/07/2026
    From £290.83
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  10. 1m Stainless Steel Channel With End Outlet
    1m Stainless Steel Channel With End Outlet
    Estimated Delivery date is 21/07/2026
    From £304.07
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  11. Stainless Steel End Plate
    Stainless Steel End Plate
    Estimated Delivery date is 21/07/2026
    From £30.73
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  12. Stainless Steel Flat End Plate
    Stainless Steel Flat End Plate
    Estimated Delivery date is 21/07/2026
    From £8.85
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  13. Mesh Anti-Slip Grating
    Mesh Anti-Slip Grating
    Estimated Delivery date is 21/07/2026
    From £90.39
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  14. Heel Proof Grating
    Heel Proof Grating
    Estimated Delivery date is 21/07/2026
    From £98.72
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  15. Circular Perforated Grating
    Circular Perforated Grating
    Estimated Delivery date is 21/07/2026
    From £91.69
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  16. Ladder Grating - 500mm Length
    Ladder Grating - 500mm Length
    Estimated Delivery date is 20/07/2026
    £163.05
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  17. Gasket
    Gasket
    Estimated Delivery date is 20/07/2026
    From £5.26
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  18. Foul Air Trap
    Foul Air Trap
    Estimated Delivery date is 20/07/2026
    £62.42
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  19. Deep Sump Spigot Outlet
    Deep Sump Spigot Outlet
    Estimated Delivery date is 20/07/2026
    £182.02
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  20. Sediment Sieve
    Sediment Sieve
    Estimated Delivery date is 20/07/2026
    £19.01
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  21. ABS Filter Bucket
    ABS Filter Bucket
    Estimated Delivery date is 20/07/2026
    £17.16
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  22. PVC Edge Infill Strip (3m Length)
    PVC Edge Infill Strip (3m Length)
    Estimated Delivery date is 20/07/2026
    £10.61
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  23. Anti-Slip Mesh Grating Assembly
    Anti-Slip Mesh Grating Assembly
    Estimated Delivery date is 21/07/2026
    £192.39
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  24. Heel Proof Grating Assembly
    Heel Proof Grating Assembly
    Estimated Delivery date is 20/07/2026
    £266.83
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  25. Circular Perforated Grating Assembly
    Circular Perforated Grating Assembly
    Estimated Delivery date is 20/07/2026
    £185.16
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  26. Zinc Plated Adjustable Foot
    Zinc Plated Adjustable Foot
    Estimated Delivery date is 20/07/2026
    £7.34
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View as Grid List

26 Items