BS 3921:1985
Specification for clay bricks

Standard No.

BS 3921:1985

Release Date

1985

Published By

British Standards Institution (BSI)

Status

Be replaced 2003-09

Replace By

BS EN 771-1:2003

BS EN 772-3:1998

BS EN 772-7:1998

BS 3921:1985(1998)

Latest

BS EN 771-1:2011

BS EN 772-3:1998

BS EN 772-7:1998

BS 3921:1985(1998)

Scope

Requirements for dimensions, compressive strength, water absorption, soluble salt content, efflorescence and sampling for bricks manufactured from clay for use in walling. Also gives methods of classification and guidance on appearance. Sizes and tolerances apply only to the 225 mm x 125 mm x 75 mm format. See also BS 6649 and BS 4729.

BS 3921:1985 history

• 2011 BS EN 771-1:2011 Specification for masonry units. Clay masonry units
• 2003 BS EN 771-1:2003 Specification for masonry units. Clay masonry units
• 1985 BS 3921:1985 Specification for clay bricks