Gritstone Aggregates (+68 PSV)
+68 PSV Gritstone (Greywacke) is extracted from our Ballystockart Quarry near Comber.Ballystockart's Gritstone is primarily exported to England for use in production of Asphalt Surface...
+68 PSV Gritstone (Greywacke) is extracted from our Ballystockart Quarry near Comber.Ballystockart's Gritstone is primarily exported to England for use in production of Asphalt Surface...
+65PSV Gritstone (Greywacke) is extracted from our Temple Quarry near Lisburn.Temple Gritstone is used both locally and exported to England for Asphalt production.
Aggregate comes in a variety of forms, each with its own characteristics and properties, and these determine its many uses.Aggregates are often referred to as crushed rock or by their individual...
GRANULAR SUB-BASE (GSB) is a graded granular material, usually a 'hard rock' . SUB-BASE is a load spreading layer, especially during construction, carrying site traffic and protecting the...