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BS 493(1995) : 1995

Current
Current

The latest, up-to-date edition.

SPECIFICATION FOR AIRBRICKS AND GRATINGS FOR WALL VENTILATION
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-1995

Committees responsible
Foreword
1 Scope
2 References
3 Definitions
4 Materials
5 Manufacturer's certificate
6 Marking
7 Airbricks for external use (class 1 units)
8 Wall ventilators or gratings for internal
  use (class 2 units)
Annex A (informative) - Information to be
        supplied by the purchaser for the purpose of
        an order or enquiry
Annex B (normative) - Test for impact resistance
        of airbricks
List of references

Describes requirements for two classes of wall ventilating units as follows: class 1: airbricks for use in external walls; class 2: wall ventilators or gratings for internal use.

Committee
B/519
DevelopmentNote
Supersedes BS 493(1970) & 93/105570 DC. (07/2005) 1995 Edition Re-Issued in September 2010 & incorporates AMD 1 2010. Supersedes 10/30155844 DC. (09/2010)
DocumentType
Standard
Pages
12
PublisherName
British Standards Institution
Status
Current
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