Steel Blue is a calibrated limestone, with a riven surface and weathered edges.  In addition to project packs Steel Blue is also available in copings for swimming pools, walls and step kits to create a flush finish and bespoke garden design.


As with all limestone products, Steel Blue may naturally lighten over time.


Steel Blue is available in:

  • A 600 series project pack, calibrated
  • This stone may naturally lighten over time

Steel Kota Blue Limestone Calibrated

  • We offer free local delivery in Carlisle and surrounding areas.


    If you would like to know if we deliver to your area please give us a ring on 01228 525104.


    If you have any special requirments for your delivery please let us know and we will try our very best to help. 



  • We are always looking at ways to give you the lowest possible prices, so it's best to call us and we can give you our latest, most up to date price on any of our products!


    Call us now: 01228 525104


Who we are

Cumbria Building Supplies ltd

Unit 6

Marconi Road

Burgh Road Industrial Estate




VAT no: 734 7881 00

Reg no: 401 0956


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