A grading of angular limestone 40mm graded down, more commonly used in road and garage sub bases and is compacted down to form a solid sub base. Products made up of natural materials will vary in size and colour, some significantly.
About Howarth Timber:
With over 180 years' trading experience, the Howarth Timber Group has grown to provide not only the widest range of products, but expertise, service and knowledge you can rely on.
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