use
(2 brick sleeve 50mm x 225mm) Sleeve attachments to provide ventilation to specific areas.
introduction
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.)
data
• 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.
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