White - Limestone
United Kingdom
Item Details
Quarry Location:
Bowers Quarry, Portland
Water Absorption:
5.21 %
Density:
2226 Kg/m³
Flexural Strength:
7.16 MPa
Compressive Strength:
55.39 MPa
Recommended Usage:
Exterior, Interior, Wall cladding, Paving
Additional Names:
Portland Bowers Basebed,Portland Basebed,Portland Basebed Stone,Bowers Basebed Limestone
Description:
Petrography
Material Description
Cream fine to medium oolitic and bioclastic limestone containing bioclasts (5mm in width by 20mm in length)
Strength
Compression - BS EN 1926
Average: 55.39 Mpa from 54 tests
Flexural Strength - BS EN 13161
Average: 7.16 Mpa from 68 tests
Breaking Load at Dowel Hole (at 75mm thick) - BS EN 13364
Average: 4,601 N from 20 tests
Durability
Water Absorption - BS EN 13755
Average: 5.21% from 119 tests
Density - BS EN 1936
Average: 2,226 kg/m³ from 287 tests
Porosity - BS EN 1936
Average: 15.36% from 448 tests
Saturation Coefficient - BS EN 1936
Average: 0.76 from 251 tests
Salt Crystallisation - BS EN 12370
Average: 62.18% from 81 tests
Flooring / Paving
Abrasion Resistance - EN14157
Average: 24.48 from 9 tests
Slip Resistance - TRRL Pendulum Test: Grit 120 (Flooring)
Wet Average value 77 from 48 tests
Dry Average value 91 from 24 tests
Internal Flooring
Bowers Basebed is suitable for all flooring applications up to semi-intensive use such as shops and offices with estimated visitor numbers of 5,000,000 with a service life without significant wear of 20 years. The slip resistance results of over 40 demonstrate that the stone will be safe in all applications.