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

“Strand Duoflex Centre Ring” has been added to your basket. View basket
Shop / Hardware & Spares / Rooflight and Window Openers / Openers Manual / Round Bar Duplex Opener – Centre Ring
Round Bar Duplex Opener - Centre Ring
CODE 263385 Category Openers Manual Tags Brass rooflight hand winders, Brass screwjack openers, Chrome rooflight hand winders, Chrome screwjack openers Skylight stays, Rooflight openers, Rooflight stays, Skylight openers

Round Bar Duplex Opener – Centre Ring

£46.13

  • Round Bar Duplex Opener – Centre Ring
  • Ideal choice for use on recessed top hung outward opening timber sashes
  • Centre rings are particularly useful on high level windows where a pole operator is needed to control the opener
  • Can be easily fitted to the bar on site
App_Timber Yes
App_UPVC Yes
Application uPVC & Timber
Finish Silver Grey
Finish Group Silver
Length mm 45mm
Option Centre Ring
Price 0
Type Quadilent Stays

Additional information

FAQ Categories

  • Cast Iron Airbricks
  • Cast Iron Airvents
  • Cast Iron Hopper Heads
  • Gutter & Pipe Brackets
  • Gutters & Pipes
  • Heating
  • Rooflight Openers
All FAQ
How do I get a price for a hit and miss vent?

How do I get a price for a hit and miss vent?

Prices are shown on each product page. For project quantities, conservation specifications, or to discuss suitability for a listed building, call 0333 987 4452 or use the contact form.

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.

Are cast iron airbricks suitable for use on listed buildings?

Are cast iron airbricks suitable for use on listed buildings?

Yes. Cast iron airbricks are frequently specified for listed buildings and conservation area properties precisely because they replicate the material and pattern of the original Victorian and Edwardian ventilation grilles. Local conservation officers and building control typically accept like-for-like cast iron replacements without objection. We can provide product specifications and material datasheets to support applications.

Do your steel brackets have a protective coating?

Do your steel brackets have a protective coating?

Yes. All our mild steel brackets are supplied in either silver or black zinc plate. This coating protects the metal however, both will need painting prior to installation.

We have chosen to use zinc plating for two reasons; firstly that it is a more environmentally friendly than galvanising and secondly that it does not block up the threaded part of the rise and fall cups in the way that galvanising does.

We are looking to install a new heating system into a Georgian farmhouse and would like to know whether we would be better installing tubular steel column radiators or traditional cast iron radiators.

We are looking to install a new heating system into a Georgian farmhouse and would like to know whether we would be better installing tubular steel column radiators or traditional cast iron radiators.

Cast iron radiators cost no more to run than modern steel or aluminium radiators. Cast iron is a very efficient material at emitting heat, thus you have items like le creuset cast iron pans. Cast iron holds it’s heat extremly well, which means that the radiators stay warm for longer.

Is a brass rooflight opener handle suitable for a listed building?

Is a brass rooflight opener handle suitable for a listed building?

Yes. Polished brass ironmongery is historically appropriate for period buildings and is generally acceptable to conservation officers for listed building projects. If you require confirmation for your specific scheme, we are happy to advise — call 0333 987 4452.

What sizes are available for the School Board Airbrick?

What sizes are available for the School Board Airbrick?

The School Board Airbrick (F020801AFC) is available in three standard sizes: 225mm × 75mm, 225mm × 150mm, and 225mm × 225mm. These correspond to one-, two-, and three-brick-course heights and allow ventilation requirements to be met across a range of subfloor and wall opening sizes.

What finishes are available on cast iron airbricks?

What finishes are available on cast iron airbricks?

Our cast iron airbricks are available in a choice of finishes including primer and painted options. If you require a specific finish for a conservation project or to match existing ironwork, please call us on 0333 987 4452 to discuss.

What building types is the Cast Iron Louvre Airbrick suited to?

What building types is the Cast Iron Louvre Airbrick suited to?

The Cast Iron Louvre Airbrick suits Victorian and Edwardian terraced housing, semi-detached properties, public houses, agricultural buildings, and workshop structures where the original airbrick was a louvre-face grille. The horizontal fin profile is widely found in British domestic and light industrial construction from the 1870s through to the 1950s.

How does the ornamental pattern affect ventilation performance?

How does the ornamental pattern affect ventilation performance?

The Gothic foliate tracery design of the Ornamental Airbrick provides a good free-flow ventilation area relative to its face size. The open area is comparable to other standard cast iron airbrick patterns. The visual density of the pattern at a distance reads as solid ironwork, which suits formal and decorative elevations without compromising subfloor ventilation effectiveness.

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