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100mm Rectangular Downpipe Cast Iron Style Effect

The 100mm x 75mm rectangular cast iron effect downpipes from the Cascade range provide a high-capacity rainwater drainage solution with a more contemporary profile. Designed to work with our high-capacity Roundstyle guttering system, these 100mm rectangular cast iron effect downpipes combine traditional cast iron styling with the practical benefits of modern plastic construction.

The rectangular profile offers a clean, defined appearance while retaining the heritage character of a cast iron effect finish. This makes the downpipes particularly suitable for large period properties, heritage-style buildings, commercial premises and refurbishment projects where substantial rainwater capacity and architectural appearance are both important.

High-capacity drainage with a rectangular profile

The 100mm x 75mm cast iron style downpipes are designed for use with the Cascade high-capacity rainwater system. Their larger dimensions provide the drainage capacity required for buildings with extensive roof areas, while the rectangular shape provides an alternative to the traditional circular downpipe profile.

The contemporary detailing works particularly well where a heritage building requires a traditional-looking rainwater system, but a cleaner, more defined downpipe profile is preferred.

Key features of 100mm x 75mm rectangular cast iron effect downpipes

100mm x 75mm rectangular profile - provides a substantial downpipe size for high-capacity rainwater applications.

Cast iron effect finish - recreates the appearance of traditional cast iron using modern materials.

High-capacity drainage - suitable for larger roof areas and buildings with increased rainwater requirements.

Contemporary profile - the rectangular design provides a clean alternative to traditional round downpipes.

Heritage-compatible styling - suitable for period properties, restoration projects and traditionally styled buildings.

Lightweight modern construction - easier to handle and install than genuine cast iron.

Low maintenance - provides a durable alternative to traditional metal downpipes.

Designed for larger heritage buildings

The 100mm x 75mm rectangular cast iron effect downpipes are particularly well suited to larger properties where a standard domestic rainwater system may not provide sufficient capacity. Combined with the corresponding high-capacity guttering, they can manage significant roof drainage while maintaining a traditional architectural appearance.

The system is suitable for a range of applications, including large period homes, heritage-style developments, commercial buildings and restoration projects.

Compatible with high-capacity cast iron effect guttering

The 100mm x 75mm rectangular downpipes are designed to complement the 170mm Round high-capacity cast iron effect guttering system. Combining the larger gutter and downpipe profiles creates a coordinated rainwater system designed for properties with substantial roof areas.

The rectangular downpipe also provides an alternative to the 105mm Roundstyle cast iron effect downpipe, allowing the downpipe profile to be selected to suit the project's architectural requirements.

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Brett Martin 100mm Rectangular Cast Effect Downpipe x 1.8m Socketed Pipe with Lugs

100mm Rectangular Cascade Cast Iron Style Downpipe x 1.8m available in Classic Black, Oxford Blue, Olive Green, Graphite Grey, Sandstone and Porcelain White
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£86.62 Ex VAT£103.94 Inc VAT
Est. delivery from Mon 9th Nov
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Brett Martin 100mm Rectangular Cast Effect Downpipe Gutter Downpipe Clip

100mm Rectangular Cascade Cast Iron Style Downpipe Clip available in Classic Black, Oxford Blue, Olive Green, Graphite Grey, Sandstone and Porcelain White
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£14.47 Ex VAT£17.36 Inc VAT
Est. delivery from Mon 9th Nov
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Brett Martin 100mm Rectangular Cast Effect Downpipe 112.5 Degrees Spigot Bend NEW

100mm Rectangular Cascade Cast Iron Style Downpipe 112.5 degrees Spigot Bend NEW available in Classic Black, Oxford Blue, Olive Green, Graphite Grey, Sandstone and Porcelain White
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£55.68 Ex VAT£66.82 Inc VAT
Est. delivery from Mon 9th Nov
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Brett Martin 100mm Rectangular Cast Effect Downpipe 112.5 Degrees Side Spigot Offset Bend

100mm Rectangular Cascade Cast Iron Style Downpipe 112.5 degrees Side Spigot Offset Bend available in Classic Black, Oxford Blue, Olive Green, Graphite Grey, Sandstone and Porcelain White
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£55.68 Ex VAT£66.82 Inc VAT
Est. delivery from Mon 9th Nov
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Brett Martin 100mm Rectangular Cast Effect Downpipe Adjustable Front Projection Offset

100mm Rectangular Cascade Cast Iron Style Downpipe Adjustable Front Projection Offset available in Classic Black, Oxford Blue, Olive Green, Graphite Grey, Sandstone and Porcelain White
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£72.44 Ex VAT£86.93 Inc VAT
Est. delivery from Mon 9th Nov
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Brett Martin 100mm Rectangular Cast Effect Downpipe Adjustable Side Projection Offset (max offset 455mm)

100mm Rectangular Cascade Cast Iron Style Downpipe Adjustable Side Projection Offset (max offset 455mm) available in Classic Black, Oxford Blue, Olive Green, Graphite Grey, Sandstone and Porcelain White
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£72.44 Ex VAT£86.93 Inc VAT
Est. delivery from Mon 9th Nov
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Brett Martin 100mm Rectangular Cast Effect Downpipe 112.5 Degrees Branch

100mm Rectangular Cascade Cast Iron Style Downpipe 112.5 degrees Branch available in Classic Black, Oxford Blue, Olive Green, Graphite Grey, Sandstone and Porcelain White
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£63.23 Ex VAT£75.88 Inc VAT
Est. delivery from Mon 9th Nov
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Brett Martin 100mm Rectangular Cast Effect Downpipe Shoe with Lugs

100mm Square Rectangular Cast Iron Style Downpipe Shoe with Lugs available in Classic Black, Oxford Blue, Olive Green, Graphite Grey, Sandstone and Porcelain White
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£55.68 Ex VAT£66.82 Inc VAT
Est. delivery from Mon 9th Nov
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Brett Martin 100mm Rectangular Cast Effect Downpipe Lug Fixing Pack 75mm

100mm Rectangular Cascade Cast Iron Style Downpipe Lug Fixing Pack (Pack contains - 10x75mm Screws and Wall Plugs)
Code: BRFP75CI
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£0.00 Ex VAT£10.38 Inc VAT
Est. delivery Mon 9th Nov
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Brett Martin 68mm Circular Cast Effect Downpipe 5mm Spacer Pack (BRSP1CI)

68mm Roundstyle Cascade Cast Iron Style Downpipe 5mm Spacer for use with - Cast Iron Style Pipework (Pack contains 10x5mm Spacers)
Code: BRSP1CI
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£0.00 Ex VAT£6.36 Inc VAT
Est. delivery Mon 9th Nov
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Brett Martin 100x75mm Outlet Cast Effect Bath Hopper Plain

100mm Outlet Rectangular Cascade Cast Iron Style Downpipe Bath Hopper Plain available in Classic Black, Oxford Blue, Olive Green, Graphite Grey, Sandstone and Porcelain White
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£138.79 Ex VAT£166.55 Inc VAT
Est. delivery from Mon 9th Nov
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Brett Martin 100x75mm Rectangular Cast Effect Bath Hopper Lion

100x75mm Rectangular Cascade Cast Iron Style Bath Hopper Lion available in Classic Black, Oxford Blue, Olive Green, Graphite Grey, Sandstone and Porcelain White
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£138.79 Ex VAT£166.55 Inc VAT
Est. delivery from Mon 9th Nov
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Brett Martin 100x75mm Rectangular Cast Effect Bath Hopper Windowed

100x75mm Rectangular Cascade Cast Iron Style Bath Hopper Windowed available in Classic Black, Oxford Blue, Olive Green, Graphite Grey, Sandstone and Porcelain White
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£138.79 Ex VAT£166.55 Inc VAT
Est. delivery from Mon 9th Nov
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