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Cavibrick Sleeves (2 brick sleeve)

Available in 1 variation
  • Black polypropylene.
  • Length 300mm.
  • Special lengths to order.
  • Fold-flat design minimises storage space.
£4.45 + VAT



(2 brick sleeve 150mm x 225mm) Sleeve attachments to provide ventilation to specific areas.


A range of straight sleeves to accommodate one, two or three cavibricks. (High throughput cavibricks are designed to be used singularly or can be locked together to form larger brick-sized ventilating units.) When connected to a cavibrick the combined length is sufficient to accommodate all popular cavity wall widths. The three standard straight sleeves are: 75mm x 225mm, 150mm x 225mm and 225mm x 225mm. We recommend sleeves are protected with a cavitray where they pass through the cavity, to comply with NHBC/best practice. (See Sleeve and Duct Cavitrays.)


  • Black polypropylene.
  • Length 300mm.
  • Special lengths to order.
  • 75mm x 225mm
  • 150 x 225mm
  • 225mm x 225mm
  • Fold-flat design minimises storage space.
  • Packed in boxes containing 50 number.
  • Smaller quantities available.
Type TAV to Round Connector Type TAV to Round Connector
£3.86 + VAT
To permit attachment of circular pipe to bottom outlet of Type TAV telescopic ventilator. Introduction Where a plastic nominal 100mm pipe is used...
Type SV-GP Type SV-GP
£3.26 + VAT
Permits entry of air via soffit. Introduction The Type SV-GP is a general purpose soffit ventilator strip, with an airflow rating of 25,000mm2...
Type TAV Type TAV
£2.26 + VAT
Provides cranked air-duct route from cavibrick to area at different level. Introduction The Telescopic Adjustable Ventilator extends or contracts...
Sleeve and Duct Cavitray Sleeve and Duct Cavitray
£0.64 + VAT
Preformed trays to protect sleeves and ducts where they pass through a cavity wall. Introduction Where a straight or cranked sleeve/duct passes...