Scotch Buff Specification

Technical results

Description Medium-grained. Durable with good weathering qualities.

Country of origin UK

Geological type Carboniferous Westphalian sandstone

Colour Cream coloured with pervasive brown speckling,

occasional brown lines, occasional small to large dark

coloured patches

Density 2130 kg/m3

Compressive strength 75.50 MPa BS EN 1926 (1999)

Water absorption 5.70 % BS EN 13755 (2002)

Porosity 19.80 % BS EN 1936 (1999)

Durability Tests indicate that failure due

to frost action is unlikely

Saturation co-efficient 0.6 % BRE 89