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Our aluminium, steel, cast iron, plastic & GRP rainwater systems are all sourced from the leading manufacturers in the UK to ensure they are of the highest quality.
Drainage

Sita drainage systems collect rainwater before it gets to the building. Like a modern water trench, the drainage system at ground level protects the interior of your building. The facade is also protected from heavy rainfall splashing back.
The drainage system with a grating and frame is sturdy and durable. The SitaGreen product family delivers perfect support for green roofs, balconies and terraces – to discharge rainwater at all levels of the structure. The perfect solution for draining from a green roof via the balcony to the terrace.
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Available
Sita Drain Endlos Initial Starting Grate Piece 150mm x 1m
Initial Grate Starting Grate Piece 150mm x 1m length, galvanised
0
Price
£130.20
Ex VAT£156.24 Inc VAT
Estimated lead-time 10-15 working days.
Estimated lead-time 10-15 working days.
Available
Sita Drain Klassik Galvanised Steel Mesh Grate
Galvanised Steel Drainage Mesh Grate in 4 widths 100mm, 150mm, 250mm & 500mm x 0.5m, 0.75m, 0.8m & 1 m lengths
0
From
Price
£81.90
Ex VAT£98.28 Inc VAT
Estimated lead-time 10-15 working days.
Estimated lead-time 10-15 working days.
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
0
From
Price
£57.75
Ex VAT£69.30 Inc VAT
Estimated lead-time 10-15 working days.
Estimated lead-time 10-15 working days.
Available
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.
0
From
Price
£243.60
Ex VAT£292.32 Inc VAT
Estimated lead-time 10-15 working days.
Estimated lead-time 10-15 working days.
Available
Sita Drain Endlos Intermediate Grate Piece 150mm x 1m
Intermediate Grate Piece 150mm x 1m length, galvanised
0
Price
£105.00
Ex VAT£126.00 Inc VAT
Estimated lead-time 10-15 working days.
Estimated lead-time 10-15 working days.
Available
Sita Drain Klassik Stainless Steel Mesh Grate x 1m
Stainless Steel Drainage Mesh Grate in 3 widths 100mm, 150mm & 250mm x 1m lengths
0
From
Price
£217.35
Ex VAT£260.82 Inc VAT
Estimated lead-time 10-15 working days.
Estimated lead-time 10-15 working days.
Available
Sita Drain Box Channel 1000mm Long x 150mm Wide Designer Grating
Channel Box Drain 1000mm long x 150mm wide, with four designer grating options, in three different heights of 30mm, 40mm and 50mm, manufactured in Stainless steel only
0
From
Price
£116.55
Ex VAT£139.86 Inc VAT
Estimated lead-time 10-15 working days.
Estimated lead-time 10-15 working days.
Available
Sita Drain Feet
Sita Drain Feet, Hot-galvanised rubber-metal buffer feet for SitaDrain klassik, endlos and terra.
0
From
Price
£5.00
Ex VAT£6.00 Inc VAT
Estimated lead-time 10-15 working days.
Estimated lead-time 10-15 working days.
Available
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.
0
From
Price
£174.30
Ex VAT£209.16 Inc VAT
Estimated lead-time 10-15 working days.
Estimated lead-time 10-15 working days.
Available
Sita Drain Endlos End Grate Piece 150mm x 1m
End Grate Piece 150mm x 1m length, galvanised
0
Price
£110.25
Ex VAT£132.30 Inc VAT
Estimated lead-time 10-15 working days.
Estimated lead-time 10-15 working days.
Available
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
0
From
Price
£8.40
Ex VAT£10.08 Inc VAT
Estimated lead-time 10-15 working days.
Estimated lead-time 10-15 working days.
Available
Sita Drain Terra Profile Frame
Sita Drain Terra Profile Frame. Available in Stainless steel. 425x450mm size. Available in a variety of grate designs.
0
From
Price
£219.45
Ex VAT£263.34 Inc VAT
Estimated lead-time 10-15 working days.
Estimated lead-time 10-15 working days.
Available
Sita Drain Box Channel Fastenings
Box Channel Fastenings, Anti Theft Device for use with slot and mesh grates only
0
From
Price
£17.85
Ex VAT£21.42 Inc VAT
Estimated lead-time 10-15 working days.
Estimated lead-time 10-15 working days.
Available
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
0
From
Price
£32.55
Ex VAT£39.06 Inc VAT
Estimated lead-time 10-15 working days.
Estimated lead-time 10-15 working days.
Available
Sita Drain Box Hinged Feet
Box Channel Hinged Feet, includes 4 feet, used to adjust the box drain in both height and inclination
0
Price
£34.65
Ex VAT£41.58 Inc VAT
Estimated lead-time 10-15 working days.
Estimated lead-time 10-15 working days.