BS 493:1970

$142.49

Specification for airbricks and gratings for wall ventilation

Published By	Publication Date	Number of Pages
BSI	1970	20

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Categories: 77.140.01 - Iron and steel products in general, BSI

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Description

Class 1 units for external use, and class 2 units for internal use in concrete, clay, cast iron, copper, aluminium steel, plastics and plaster (internal only). Overall dimensions, shape of apertures, unobstructed air space, wall hold, screening, testing of plaster units. Illustrations of typical examples.

Additional information

Status	Withdrawn
Pages	20
Publication Date	1970-12-14
Withdrawn Date	1995-04-15
Replaced By	BS 493:1995+A1:2010
ISBN	0 580 06066 7
Standard Number	BS 493:1970
Title	Specification for airbricks and gratings for wall ventilation
Descriptors	Marking, Air registers, Ventilators, Ventilation, Construction materials, Design, Bricks, Walls, Dimensions, Ventilation equipment, Air bricks
Publisher	BSI
Committee	B/519/1
ICS Codes	77.140.01 - Iron and steel products in general

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BS 493:1970

$142.49


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