Manthorpe Building Products

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Cavity Sleeve

The G935 Combination Cavity Sleeve fits into the back of Manthorpe’s G930 Airbrick to ventilate through a standard cavity or solid brick wall.

The unit can be stacked to create a 9 x 6 and 9 x 9 alternative, and telescopes to fit cavity widths of 50mm to 100mm, with further extension possible through the addition of extra product units.

The G935 also includes an integral wind baffle.

Product Benefits

  • Can be slotted and telescoped onto itself
  • Will work with the G930 when stacked in 9″x6″ and 9″x9″ combinations
  • Integral wind baffle
  • Will also acts as an extension to the G960

Product Specifications

Product Code Description Free Airflow Colour Size Width/Height Pack Qty
G935 Cavity Sleeve 6,600mm² Black 9 x 3/6/9 10 per box