Wattscliffe Sandstone is a fine to medium grained stone from the Millstone Grit of Carboniferous age; light grey, lilac to pink in colour with occasional buff or white intrusions
Finishes available:Sawn Cut, Sanded, Rockfaced, Sandblasted, Bushhammered, Tumbled, Thermalled, Natural Cleft, Weatheredge
Wattscliffe Sandstone can be commonly used; Exterior - Interior wall and floor applications, fountains, pool and wall capping, stairs, paving
Test Results of Wattscliffe Sandstone
Safety in Use
Slip Resistance (Note 1)
Not determined
Values > 40 are considered safe.
Abrasion Resistance (Note 1)
Not determined
Values <23.0 are considered suitable for use in heavily trafficked areas
Strength under load
1) Compression(Note 2)
79.1 MPa
Loaded perpendicular to the bedding plane ambient humidity
2) Bending (Note 1)
4.8 MPa
Loaded perpendicular to the bedding plane ambient humidity
7.6 MPa
Loaded parallel to the bedding plane ambient humidity
Porosity and Water Absorption
1) Porosity (Note 3)
12.49%
2) Saturation Coefficient (Note 3)
0.64
3) Water Absorption
3.44 % (by wt)
4) Bulk specific gravity
2312 kg/m3
Resistance to Frost
Freeze/Thaw Test (Note 1)
Not determined
Note: the stone Passed Test B using DIN 52 104
Resistance to Salt
Sodium Sulphate Crystallisation Test (Note 3)
-0.44% Mean wt loss
Sodium Sulphate Crystallisation Test (Note 14) (saturated)
Mean wt loss
All cubes failed before the end of the test
Resistance to Acidity
Acid Immersion Test(Note 4)
Pass
All samples passed the test with no splitting or delamination