• Free delivery on orders of stocked items over £600 Free Delivery
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  • Fully recycleable products & materials Fully recycleable
  • Technical Support Technical Support

Harmer Modular 135

Harmer's Modular 135 linear drainage system offers exceptional strength and longevity. Manufactured from stainless steel, a nominal grating width of 135mm and load class ratings up to C250, this channel drainage system can withstand heavy foot traffic and even light vehicle loads.

Clearance Bundles

Discover our returned bundle pallets. These contain items that could not be restocked but are still in like-new condition. Each containing a selection of premium products from Alumasc, offering a cost-effective solution for bulk buyers, contractors, and developers.

All the tools you need - installation guides or technical support - to help you find the perfect solution

Unbeatable Knowledge

As the UKs leading specialists in metal rainwater, roofline, drainage and architectural ranges, we can offer unparalleled advice and information to help you on your next project. From installation guides and videos, to product brochures and datasheets, we give you access to it all in our Rainclear Resources area.

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