Catcastle Sandstone

Catcastle Sandstone can be commonly used; Exterior - Interior wall and floor applications, fountains, pool and wall capping, stairs, paving

Test Results 
Safety in Use
Slip Resistance (Note 1)
76
Wet Values > 40 are considered safe.
Abrasion Resistance (Note 1)
Not Tested
Values <23.0 are considered suitable for use in heavily trafficked areas
Strength under load
1) Compression(Note 2)
115.5 MPa
(94 – 115 Mpa range)
Loaded perpendicular to the bedding plane ambient humidity
2) Bending (Note 1)
6.7 MPa
Loaded perpendicular to the bedding plane ambient humidity
Not Tested
Loaded perpendicular to the bedding plane ambient humidity
Porosity and Water Absorption
1) Porosity (Note 3)
10.1%
(10.1 – 11.8 range)
2) Saturation Coefficient (Note 3)
0.62
(0.6 – 0.68 range)
3) Water Absorption
2.6 % (by wt)
(2.6 – 4.3 range)
4) Bulk specific gravity
2386 kg/m3
(2350 – 2386 range)
Resistance to Frost 
Flexural strength after Freeze/Thaw Test (Note 1)
5.2 MPa
Loaded perpendicular to the bedding plane ambient humidity
Resistance to Salt
Sodium Sulphate Crystallisation Test (Note 3)
-0.95% Mean wt loss
Sodium Sulphate Crystallisation Test (Note 14) (saturated)
Mean: 82% wt loss
Resistance to Acidity
Acid Immersion Test(Note 4)
Pass
(Test methods Note 1 = prEn1341, Note 2 = prEn 1342, Note 3 = prEn 1341 /BRE 141, Note 4 = BRE 141)