ABC3 – Rytons 9×3 Cowl

General Details

ABC3 – Rytons 9×3 Cowl

  • Surface mounted cover for 9″ x 3″ openings, air bricks, grilles and vents.
  • Protects against excessive weather conditions and alleviates air blasts through the cavity.
  • Textured roughcast finish.
  • U.V. stabilised to slow down the effects of sunlight.


  • 255mm L x 96mm H x 44mm D (see image gallery above).
  • CAD drawing available by email.

Free Area:

  • 8,700mm² (87cm²) per unit.


  • Buff/Sand: ABC3BS.
  • Terracotta: ABC3TC.


  • U.V. stabilised high impact polystyrene.


  • First check the free air space of the cowl exceeds the air space required by the covered opening, air brick, grille or vent.  Fix the cowl to the brickwork through the pre-formed holes in the flange.

Handling Information:

  • Box quantity: 10 number.
  • Box size: 26cm W x 22.5cm H x 15cm D.
  • Box weight: 0.6kg.

NBS Specification: