1201AB Airbricks

Robust airbrick ventilator ideal for use with cavity sleeves and the 1201 and 1201XL telescopic underfloor ventilators.

Equivalent area marking to the front face of the airbrick is compliant with BS EN 13141-1:2004.

The unique stepped front grille is designed to provide an unobstructed airflow and prevent the ingress of wind driven rain. Integral clips enable multiple airbricks to be stacked together to form 9″ x 6″ and 9″ x 9″ sizes.


  • In conjunction with the 1201 or 1201XL telescopic underfloor vent for providing ventilation below suspended ground floors.
  • In conjunction with cavity sleeves for ventilation through external walls to a building interior.

Add this product to your specification on NBS or SpecifiedBy

Product Information


Equivalent areaColourPack QuantityProduct Code
6170mm²Blue Black201201ABBB

  • Equivalent area of 6170mm2 per air brick
  • Unique stepped front grille greatly reduces the entry of wind driven rain
  • 6.5mm wide front grille openings comply with BS 5440 Pt 2 and British Gas requirements
  • Integral clip together facility allows multiple airbricks to be stacked to form 9” x 6” and 9” x 9” sizes
  • Available in a range of colours to blend in with various brick types
  • Very tough and robust
  • Durable and totally resistant to decay
  • Satisfies all NHBC requirements.
  • Manufactured to BS EN ISO 9001 and BS EN ISO 14001.
  • Complies with all relevant Building Regulations.
  • Meets all relevant British Standards.
  • Equivalent area marking to front face of airbrick to comply with BS EN 13141-1 : 2004.
  • Manufactured by injection moulding in UV stabilised polypropylene.
  • The 1201AB airbrick is available in buff, terracotta, grey, brown, black, and white, in packs of 20.
  • Always use in conjunction with a Timloc telescopic underfloor ventilator, or cavity sleeve, depending on the application.
  • Airbrick quantity will be relative to the number of telescopic underfloor ventilators or cavity sleeves required.
  • State the colour required.

F30 Accessories/sundry items for brick/block/stone walling

Clause 160 | AIR BRICK

  • To BS493, Class 1, built in as the work proceeds.
  • Manufacturer: Timloc Building Products, Timloc House, Ozone Park, Howden, East Yorkshire, DN14 7SD. Tel: 01405 765567, Web: www.timloc.co.uk
  • Reference: 1201AB (Interlinking Airbrick)
  • Design: Rectangular
  • Work size: Each unit 69mm coursing x 215mm
  • (Equivalent area 6170mm2)
  • Material: Thermoplastic
  • Colour: (Black, White, Brown, Buff, Grey, Blue Black or Terracotta)
  • Optional Accessories: 1201 Telescopic Under Floor Vent (6,000mm2)

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