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Established 1893   |   BS 460:2002 Certified   |   UK & International Supply   |   Expert Technical Support   |   0333 987 4452

Shop / Cast Iron Gutters & Pipes / Cast Iron Round Downpipes / Round Pipe Offset 533mm (21″) Projection
Cast Iron Pipe Offset Swan Neck
CODE RWOS21 Category Cast Iron Round Downpipes

Round Pipe Offset 533mm (21″) Projection

£277.72 – £460.96Price range: £277.72 through £460.96 +VAT

Our cast iron round rainwater pipe offset 533mm and cast downpipe offset is suited to most period property renovations. Round cast iron pipe is available in primed and black as standard.
Sizes Available:

65mm (2.5″)
75mm (3″)
100mm (4″)
150mm (6″)

Cast iron round rainwater pipe offset 533mm (21″): R2547, R3047, R4047, R6047, XR2547, XR3047, XR4047, XR6047

Our traditional cast iron rainwater pipe is available in 4 sizes. It is now common to see 2.5″ pipes used in place of the older 2″ sizing.

Clear

Our traditional cast iron rainwater pipe is available in 3 sizes. It is now common to see 2.5″ pipes used in place of the older 2″ sizing.

Cast iron gutters and pipes offer great strength and durability, a proven history of long life, low noise operation and fire resistance. Most old buildings have cast iron rainwater systems that should be maintained and preserved however; these inherent benefits make a cast iron rainwater system an ideal choice for both traditional and modern installations.

Technical

For specific technical sizes on our range of cast iron gutters, rainwater pipes or UK manufactured brackets for cast metal rainwater products.

Additional information

Pipe Size/Finish

Primer 65mm, Primer 75mm, Primer 100mm, Black Painted 65mm, Black Painted 75mm, Black Painted 100mm

FAQ Categories

  • Cast Iron Airbricks
  • Cast Iron Airvents
  • Cast Iron Hopper Heads
  • Gutter & Pipe Brackets
  • Gutters & Pipes
  • Heating
  • Rooflight Openers
All FAQ
What pipe connection sizes does the Rectangular Box Hopper Head Plain No.46 accept?

What pipe connection sizes does the Rectangular Box Hopper Head Plain No.46 accept?

The H460 accepts round pipe connections in 65mm, 75mm, and 100mm diameters. Square pipe connections are available in 75×75mm, 100×100mm, and 125×125mm. Rectangular connections include 100×75mm, 125×100mm, and 150×100mm options. Connection type is selected at the point of order.

How do I get a price for ornamental cast iron airbricks?

How do I get a price for ornamental cast iron airbricks?

Prices are shown on the product page. For project quantities, multiple pattern orders, or a formal quotation, call 0333 987 4452 or use the contact form.

What is the difference between polished chrome and satin chrome rooflight openers?

What is the difference between polished chrome and satin chrome rooflight openers?

Polished chrome has a bright mirror finish, while satin chrome has a brushed, low-sheen appearance. Both are available in the telescopic hand winder range. The finish choice typically depends on the ironmongery specification for the project.

What finishes are available on your cast iron hopper heads?

What finishes are available on your cast iron hopper heads?

Our cast iron hopper heads are available in a standard primed and black-painted finish, ready for on-site topcoats. Heritage colour finishes and factory-applied linseed oil paint are available on request. Linseed oil paint is a vapour-permeable, period-appropriate finish particularly well suited to listed buildings and conservation area properties.

How does a hit and miss vent work?

How does a hit and miss vent work?

A hit and miss vent has a sliding plate on the back of the grille that can be opened, partially restricted, or closed entirely without removing the vent from the wall. This allows airflow to be controlled from inside the building, making it suitable for underfloor void ventilation and through-wall ventilation where adjustable airflow is needed.

What sizes are available for the Cast Iron Louvre Airbrick?

What sizes are available for the Cast Iron Louvre Airbrick?

The Cast Iron Louvre Airbrick (F020802AFC) is available in 225mm × 75mm, 225mm × 150mm, and 225mm × 225mm — standard brick course heights. All sizes share a consistent depth for straightforward like-for-like replacement of original cast iron louvre airbricks.

What finishes are available on your cast iron hopper heads?

What finishes are available on your cast iron hopper heads?

Cast iron hopper heads from Tuscan Foundry are available in Standard Black (a factory-applied primer and topcoat finish) and Heritage Colours. A linseed oil paint finish is also available, providing a vapour-permeable, historically authentic coating that is particularly appropriate for listed buildings and conservation projects. Full finish specifications are available from the team.

Are hit and miss vents suitable for listed buildings?

Are hit and miss vents suitable for listed buildings?

Yes. Decorative cast iron and brass ventilation grilles of this pattern were widely used in Victorian and Edwardian buildings, and like-for-like replacements are generally accepted by conservation officers for listed building works. We can provide product specifications and material details to support listed building consent applications if required.

Which rooflight opener is best for a skylight above a kitchen sink or worktop?

Which rooflight opener is best for a skylight above a kitchen sink or worktop?

For rooflights directly above a worktop or sink, a telescopic screw-jack hand winder is the most practical choice. Available in polished brass, satin chrome, and polished chrome, these openers allow controlled ventilation from a fixed handle position without requiring a pole. The 150mm or 250mm size is typically appropriate for standard-height kitchen rooflights.

What is the advantage of a louvre-face airbrick over a square-grid pattern?

What is the advantage of a louvre-face airbrick over a square-grid pattern?

The louvre face provides directional airflow and offers some resistance to driven rain entering the subfloor void, making it a practical choice for exposed elevations or properties in areas with significant prevailing wind and rainfall. The square-grid (school board) pattern offers a larger open ventilation area but less weather protection.

Related products

  • Cast Iron Round Rainwater Downpipe Shoe Eared

    Round Pipe Shoe Eared

    £77.88 – £114.73Price range: £77.88 through £114.73 +VAT
    Select options This product has multiple variants. The options may be chosen on the product page
  • Cast Iron Pipe Offset Swan Neck

    Round Pipe Offset 75mm (3″)

    £69.85 – £149.19Price range: £69.85 through £149.19 +VAT
    Select options This product has multiple variants. The options may be chosen on the product page
  • Cast Iron Round Rainwater Pipe Branch

    Round Pipe Branch

    £88.14 – £130.47Price range: £88.14 through £130.47 +VAT
    Select options This product has multiple variants. The options may be chosen on the product page
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