Boliver Underground Roof Support Systems:

We're supplying efficient and up-to-the-minute technology in underground roof support systems for the 90s ...

• Split Ring Friction Rock Stabilisers
  Friction anchors for temporary strata control. Various diameters and lengths

• Split Ring Driver Dolly
  Used for inserting Friction Stabilisers

• Spiral Bolts
  Anchors for longer term strata control. Used in conjunction with resin anchor. Range of threads and diameters available.

• Super Bolts
  Square ribbed anchor bolts for resin grouting. Superior strength/mass ratio.

• Resin Anchor Cartridges
  For use with mechanical anchors requiring full column or point anchoring. A range of lengths, diameters and setting times are available.

• Pig Tails
  Pig tail bolt ends are available for cable and services fixing.

• Expansion Shells
  Cylindrical mechanical expansion anchor. Requires rotation of tendon (pig tail or bolt) to fasten. Right hand and Left hand threads are available.

• Wedge Locks
  Rectangular cross-section wedging anchor for manual or mechanical installation. Provides immediate support.

• Washer/Bearing Plates
  Various sizes and gauges, dog-eared, domed, flat and M-plates, are available for immediate area support. Support strapping in varoious widths and gauges is also available.