BS 493:1970 PDF

$151.00

Specification for airbricks and gratings for wall ventilation
standard by BSI Group, 12/14/1970

Document Format: PDF

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.

All current amendments available at time of purchase are included with the purchase of this document.

Product Details

Published:
12/14/1970
ISBN(s):
0580060667
Number of Pages:
20
File Size:
1 file
Product Code(s):
78888, 78888, 78888
Note:
This product is unavailable in Ukraine, Russia, Belarus