Brett Martin Cascade Cast Effect


“Cast Iron has shaped the architectural landscape of our towns and cities since the industrial revolution. Inspired by this heritage, Brett Martin have applied over 50 years experience at the forefront of plastics technology to develop Cascade, a range of gutter and downpipe profiles which provide authentic cast iron styling in plastic.”


A unique patented manufacturing process combines with original cast iron detailing on pipework, fittings and hoppers to give the full appearance of cast iron with all the benefits of modern plastic products. This allows the architect to achieve their architectural vision without compromising the requirements of today’s fast paced construction contracts on time, money or safety.

  • Authentic cast iron architectural detailing
  • Extensive choice of styles
  • An affordable cast iron alternative
  • Quick and easy to install
  • Ready to fit
  • Lightweight, robust materials
  • Fully UV stabilised
  • Durable and corrosion resistant
  • Compatible with existing rainwater systems

Domestic Systems:

  • 106mm Prostyle Gutter
  • 112mm Roundstyle Gutter
  • 115mm Deepstyle Gutter
  • 65mm Square Downpipe
  • 68mm Round Downpipe
  • Fittings and Hoppers

High Capacity Systems

  • 160mm Roundstyle Gutter
  • 105mm Round Downpipe
  • 100mm x 75mm (4” x 3”) Rectangular Downpipe
  • Fittings and Hoppers


Cascade Brochure

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Brands we stock

Tecnopol Floplast James Hardie Soudal Swish