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Linear Drainage

At Gutter Centre, we supply a comprehensive range of linear drainage systems from trusted manufacturers such as ACO, BG-Graspointner, Harmer, and Sita. Designed for both form and function, our linear drainage channels are engineered to manage surface water efficiently, reduce flooding risk, and protect surrounding infrastructure.

What Is Linear Drainage?

Linear drainage refers to a system that features an elongated channel with an integrated inlet, typically embedded into the surrounding surface. Unlike traditional point drains, which collect water from a single spot, linear drainage channels are designed to intercept and direct surface water over a larger area, making them ideal for managing rainfall across hardstanding areas such as roads, car parks, courtyards, and paved walkways.

The key benefits of linear drainage systems include:

  • Efficient surface water control
  • Reduced standing water and puddling
  • Easy access for cleaning and maintenance
  • Suitable for both commercial and public spaces

Linear Drainage Systems from Leading Brands

ACO Linear Drainage

ACO Building Drainage offers high-performance linear drainage channels tailored for a wide range of environments, including food processing facilities, breweries, commercial kitchens, retail premises, schools, hospitals and more.

Their systems combine hygienic design with proven durability.

BG-Graspointner Linear Drainage

BG-Graspointner manufactures robust linear drainage systems using concrete and steel for long-lasting performance in demanding environments. Their solutions are trusted worldwide for roads, public walkways, balconies and urban landscapes.

Harmer Linear Drainage

Harmer’s Modular 135 linear drainage channel is a stainless steel system with four grating profiles to suit load classes from A15 to C250. Ideal for pedestrian zones and light vehicle areas, it's perfect for commercial and public spaces, entranceways and areas requiring precision drainage with modern aesthetics.

Sita Linear Drainage

Sita’s linear drainage systems are designed to act as a first line of defence by intercepting rainwater before it reaches a building. Positioned at ground level like a modern trench drain, they protect both interiors and facades from water splashback and potential flooding.

The Ubran Drainage Range

Our Urban range at Gutter Centre features high-performance channel drainage systems specifically designed for the demands of urban environments. Engineered for strength and reliability, these solutions are rated up to C250 load classes, making them ideal for residential areas such as driveways, patios, and pedestrian zones.

Why Choose Linear Drainage Systems?

Linear drainage is a versatile, efficient, and cost-effective method for managing surface water in both new builds and refurbishments. Whether you're designing a commercial landscape or upgrading a public access route, linear drainage channels offer:

  • Superior water flow control
  • Low-profile aesthetic integration
  • Long-term durability and low maintenance
  • Compatibility with various load and traffic classes

Partner with Gutter Centre

Gutter Centre is the trusted supplier for contractors, architects, and developers across the UK. With expert advice, fast nationwide delivery, and access to top drainage brands, we make it easy to find the right linear drainage solution for your project.

Browse our full range online, or speak with our technical team today on 0330 223 1731 or via sales@guttercentre.co.uk

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Items 1-50 of 235 item(s)
Harmer Modular 135 Stainless Steel Level Invert Channel Harmer Modular 135 Stainless Steel Level Invert Channel
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Harmer Modular 135 Stainless Steel Level Invert Channel

Modular 135.5mm Wide Stainless Steel level Invert Channel, Meaning Constant Depth, lengths, 0.5m, 1m, 2m & 2.5m, supplied complete with flange joint, gasket, fixing bolts, and levelling feet
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£163.52 Ex VAT£196.22 Inc VAT
Estimated delivery 3-5 working days
ACO FreeDeck Channel Drain 500mm Long x 130mm Wide ACO FreeDeck Channel Drain 500mm Long x 130mm Wide
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ACO FreeDeck Channel Drain 500mm Long x 130mm Wide

FreeDeck Channel Drain 500mm Long x 130mm Wide, available in five sizes, fixed or adjustable, manufactured in Galvanised Mild Steel or Stainless steel (Grate sold separately)
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£33.45 Ex VAT£40.14 Inc VAT
Estimated delivery 3-5 working days
ACO FreeDeck Channel Drain 1000mm Long x 130mm Wide ACO FreeDeck Channel Drain 1000mm Long x 130mm Wide
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ACO FreeDeck Channel Drain 1000mm Long x 130mm Wide

FreeDeck Channel Drain 1000mm Long x 130mm Wide, available in five sizes, fixed or adjustable, manufactured in Galvanised Mild Steel or Stainless steel (Grate sold separately)
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£47.28 Ex VAT£56.74 Inc VAT
Estimated delivery 3-5 working days
ACO FreeDeck Channel Drain 500mm Long x 130mm Wide
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ACO FreeDeck Channel Drain Gratings x 123mm Wide

FreeDeck Channel Drain 1000mm or 500mm Long x 123mm Wide x 20mm deep, available in both a Slotted or Mesh Grate and both Galvanised Mild Steel or Stainless Steel Finish (Channels sold separately)
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£8.99 Ex VAT£10.79 Inc VAT
Estimated delivery 3-5 working days
Sita Drain Box Channel 1000mm Long x 150mm Wide Sita Drain Box Channel 1000mm Long x 150mm Wide
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Available

Sita Drain Box Channel 1000mm Long x 150mm Wide

Channel Box Drain 1000mm long x 150mm wide, heights of 30mm, 40mm and 50mm, in three different grates, manufactured in Galvanised Mild Steel or Stainless steel Grade 304
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£57.75 Ex VAT£69.30 Inc VAT
Estimated delivery 10-15 working days
Sita Drain Box Channel Head Piece or End Stop Sita Drain Box Channel Head Piece or End Stop
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Sita Drain Box Channel Head Piece or End Stop

Channel Box Head Piece or End Stop, in three different heights of 30mm, 40mm and 50mm, manufactured in Galvanised Mild Steel or Stainless steel Grade 304
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£5.28 Ex VAT£6.34 Inc VAT
Estimated delivery 10-15 working days
Sita Drain Box Channel Height Adjustment Set Sita Drain Box Channel Height Adjustment Set
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Sita Drain Box Channel Height Adjustment Set

Channel Box Height Adjustment Set, four units per set, available in three different heights of 30mm, 40mm and 50mm, manufactured in Galvanised Mild Steel or Stainless steel Grade 304
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£32.55 Ex VAT£39.06 Inc VAT
Estimated delivery 10-15 working days
Sita Drain Box Hinged Feet Sita Drain Box Hinged Feet
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Sita Drain Box Hinged Feet

Box Channel Hinged Feet, includes 4 feet, used to adjust the box drain in both height and inclination
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£0.00 Ex VAT£41.58 Inc VAT
Estimated delivery 10-15 working days
Sita Drain Junction Channel Sita Drain Junction Channel
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Sita Drain Junction Channel

Junction Channel x 1m length, size 30mm high x 70mm wide, galvanised
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£0.00 Ex VAT£12.30 Inc VAT
Estimated delivery 10-15 working days
Sita Drain Terra Sita Drain Terra
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Sita Drain Terra

Sita Drain Terra, for terraces and green roofs. available in Hot galvanised and Stainless steel. 300x300mm, 400x400mm, 500x500mm sizes.
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£94.50 Ex VAT£113.40 Inc VAT
Estimated delivery 10-15 working days
Sita Drain Terra With Design Grating Sita Drain Terra With Design Grating
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Sita Drain Terra With Design Grating

Sita Drain Terra, for terraces and green roofs. Available in Stainless steel. 400x400mm size. Availble in Circular, Square, Elliptical and Bubble.
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£243.60 Ex VAT£292.32 Inc VAT
Estimated delivery 10-15 working days
Sita Drain Terra With Longitudinal Bar Grating Sita Drain Terra With Longitudinal Bar Grating
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Sita Drain Terra With Longitudinal Bar Grating

Sita Drain Terra With Longitudinal Bar Grating, for terraces and green roofs. Available in Stainless steel and Hot galvanised. 400x400mm size. 
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£174.30 Ex VAT£209.16 Inc VAT
Estimated delivery 10-15 working days
Sita Drain Terra Profile Frame Sita Drain Terra Profile Frame
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Sita Drain Terra Profile Frame

Sita Drain Terra Profile Frame. Available in Stainless steel. 425x450mm size. Available in a variety of grate designs.
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£219.45 Ex VAT£263.34 Inc VAT
Estimated delivery 10-15 working days
Sita Drain Feet Sita Drain Feet
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Sita Drain Feet

Sita Drain Feet, Hot-galvanised rubber-metal buffer feet for SitaDrain klassik, endlos and terra.
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£5.00 Ex VAT£6.00 Inc VAT
Estimated delivery 10-15 working days
SitaGreen Green Roof Shaft SitaGreen Green Roof Shaft
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SitaGreen Green Roof Shaft

SitaGreen Green Roof Shaft, made of polyurethane , 400x400mm with hot galvanised mesh in size of 9x32mm and for height adjustable rubber feet. Height 100-130mm.
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£239.40 Ex VAT£287.28 Inc VAT
Estimated delivery 10-15 working days
SitaGreen Extension Unit SitaGreen Extension Unit
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SitaGreen Extension Unit

SitaGreen Extension Unit, made of polyurethane , 400x400mm, with four height-adjustable brass bolts. Height 50-80mm, stackable.
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£152.25 Ex VAT£182.70 Inc VAT
Estimated delivery 10-15 working days
SitaGreen For Intensive Greenery SitaGreen For Intensive Greenery
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SitaGreen For Intensive Greenery

SitaGreen For Intensive Greenery, made of polyurethane , 400x400mm, with hot galvanised mesh in size of 9mm x 32mm and aluminium perforated plate frame. available in 600mm height or made to height up to 1070-1100mm.
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£549.15 Ex VAT£658.98 Inc VAT
Estimated delivery 10-15 working days
SitaGreen Retaining Unit SitaGreen Retaining Unit
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SitaGreen Retaining Unit

SitaGreen Retaining Unit, made of polyurethane , for retaining the rain on the roof. available in 60-220mm and 50-220mm heights. Compatible for Sitastandard (60-220mm), Sitatrendy (60-220mm), Sitatrendy screw-on flange(60-220mm), Sitacompact(50-220mm) and Sitacompact screw-on flange(50-220mm)
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£67.20 Ex VAT£80.64 Inc VAT
Estimated delivery 10-15 working days
SitaGreen Retention SitaGreen Retention
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SitaGreen Retention

SitaGreen Retention, made of polyurethane, 400x400mm, with a closed cover made of PE and EPDM and four height adjustable rubber feet. 100-120mm height.
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£234.15 Ex VAT£280.98 Inc VAT
Estimated delivery 10-15 working days
SitaMore retention SitaMore retention
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SitaMore retention

SitaMore retention, for SitaStandard, SitaIndra, SitaMulti and SitaTrendy. The retaining pip can be shortened to requirements. the height unshortened is 223mm
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£160.00 Ex VAT£192.00 Inc VAT
Estimated delivery 10-15 working days
SitaMore retention Retaining Element SitaMore retention Retaining Element
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SitaMore retention Retaining Element

SitaMore retention Retaining Element, for SitaStandard, SitaIndra, SitaMulti and SitaTrendy, without cover plate, for emergency drainage when used for SitaGreen retention.
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£64.00 Ex VAT£76.80 Inc VAT
Estimated delivery 10-15 working days

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