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BS 493:1995+A1:2010

Specification for airbricks and gratings for wall ventilation

Standard Details

Class 1 units for external use, and class 2 units for internal use, in concrete, clay, copper, aluminium, steel, thermoplastics and plaster (internal only). Overall dimensions, shape of apertures, unobstructed air space, wall hold, screening, testing of plaster units, impact test for thermoplastics airbricks.

General Information

Status : Under Review
Standard Type: Main
Document No: BS 493:1995+A1:2010
Document Year: 1995
Pages: 12
  • Section Volume:
  • GBM48 Construction in General (GMB48)

Life Cycle

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Under Review
BS 493:1995+A1:2010
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