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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.

Set Descending Direction
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  1. 0.5m Stainless Steel Channel
    0.5m Stainless Steel Channel
    From £169.99
    Estimated Delivery date is 21/04/2026
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  2. 1m Stainless Steel Channel
    1m Stainless Steel Channel
    From £182.60
    Estimated Delivery date is 22/04/2026
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  3. 2m Stainless Steel Channel
    2m Stainless Steel Channel
    From £252.32
    Estimated Delivery date is 22/04/2026
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  4. 2.5m Stainless Steel Channel
    2.5m Stainless Steel Channel
    From £304.60
    Estimated Delivery date is 22/04/2026
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  5. Stainless Steel 90° Angle
    Stainless Steel 90° Angle
    From £261.71
    Estimated Delivery date is 21/04/2026
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  6. Stainless Steel T-Junction
    Stainless Steel T-Junction
    From £311.10
    Estimated Delivery date is 22/04/2026
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  7. 0.5m Stainless Steel Channel With Centre Outlet
    0.5m Stainless Steel Channel With Centre Outlet
    From £276.98
    Estimated Delivery date is 22/04/2026
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  8. 1m Stainless Steel Channel With Centre Outlet
    1m Stainless Steel Channel With Centre Outlet
    From £289.59
    Estimated Delivery date is 22/04/2026
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  9. 0.5m Stainless Steel Channel With End Outlet
    0.5m Stainless Steel Channel With End Outlet
    From £276.98
    Estimated Delivery date is 22/04/2026
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  10. 1m Stainless Steel Channel With End Outlet
    1m Stainless Steel Channel With End Outlet
    From £289.59
    Estimated Delivery date is 22/04/2026
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  11. Stainless Steel End Plate
    Stainless Steel End Plate
    From £29.27
    Estimated Delivery date is 22/04/2026
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  12. Stainless Steel Flat End Plate
    Stainless Steel Flat End Plate
    From £8.43
    Estimated Delivery date is 22/04/2026
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  13. Mesh Anti-Slip Grating
    Mesh Anti-Slip Grating
    From £86.09
    Estimated Delivery date is 22/04/2026
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  14. Heel Proof Grating
    Heel Proof Grating
    From £94.02
    Estimated Delivery date is 22/04/2026
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  15. Circular Perforated Grating
    Circular Perforated Grating
    From £87.32
    Estimated Delivery date is 22/04/2026
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  16. Ladder Grating - 500mm Length
    Ladder Grating - 500mm Length
    £155.29
    Estimated Delivery date is 21/04/2026
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  17. Gasket
    Gasket
    From £5.01
    Estimated Delivery date is 21/04/2026
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  18. Foul Air Trap
    Foul Air Trap
    £59.45
    Estimated Delivery date is 21/04/2026
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  19. Deep Sump Spigot Outlet
    Deep Sump Spigot Outlet
    £173.35
    Estimated Delivery date is 21/04/2026
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  20. Sediment Sieve
    Sediment Sieve
    £18.10
    Estimated Delivery date is 21/04/2026
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  21. ABS Filter Bucket
    ABS Filter Bucket
    £16.34
    Estimated Delivery date is 21/04/2026
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  22. PVC Edge Infill Strip (3m Length)
    PVC Edge Infill Strip (3m Length)
    £10.10
    Estimated Delivery date is 21/04/2026
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  23. Anti-Slip Mesh Grating Assembly
    Anti-Slip Mesh Grating Assembly
    £183.23
    Estimated Delivery date is 21/04/2026
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  24. Heel Proof Grating Assembly
    Heel Proof Grating Assembly
    £254.12
    Estimated Delivery date is 21/04/2026
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  25. Circular Perforated Grating Assembly
    Circular Perforated Grating Assembly
    £176.34
    Estimated Delivery date is 21/04/2026
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  26. Zinc Plated Adjustable Foot
    Zinc Plated Adjustable Foot
    £6.99
    Estimated Delivery date is 21/04/2026
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View as Grid List

26 Items