/Secondary Roof Support

Strata Worldwide was founded on its line of engineered secondary roof supports for underground mines. We offer options in timber, steel and concrete. With qualified product specialists we can understand your requirements and recommend the best solution for your mine.

Propsetter®

  • 001

    What is it?

    Timber standing roof support prop for with a built-in yield-zone

  • 002

    Yielding

    The yield-zone enables safe deformation under load, preventing buckling and breaking

  • 003

    Low cost

    Simple timber roof support with improved materials handling and fast installed support

  • 004

    Pre-stressing

    Power Wedge, a mechanical pre-stressing device, fits onto Propsetter to apply active pre-loading up to 10 US tons

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Metric Brochure

Link-N-Lock™

  • 001

    What is it?

    High-capacity, roof support system with interlocking timber blocks stacked in layers, floor-to roof

  • 002

    Unique
    Design

    Engineered notches create 100% contact between layers, significantly increasing strength and stability

  • 003

    Stable Roof
    Support

    Available in 2-and 3-notch options. The longer the crib blocks, the stronger and more stable the roof support system. Ideal for areas exceeding 10 feet (3m)

  • 004

    Efficient
    Underground
    Roof support

    100% contact between layers uses 50% less timber for the same support capacity as competitor products

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Metric Brochure

Cluster Prop™

  • 001

    What is it?

    High-capacity, high-yielding timber standing support prop, formed by bundling three Strata Propsetters and binding with pre-tensioned metal straps

  • 002

    High
    Strength

    Available in lengths up to 10ft (3m) and in three load capacities: 100 to 250 US tons

  • 003

    Yielding

    Offers up to 16in (400mm) of stable deformation for unmatched safety in coal mine roof support

  • 004

    Transport
    & Handling

    Specialized system bundling for optimized transport and handling. Improves haulage productivity up to 70% compared to comparable support capacity roof supports

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Metric Brochure

Rocprop®

  • 001

    What is it?

    Compact mechanical steel prop that provides active roof support using hydraulic pre-loading and safe yielding under load

  • 002

    Versatile

    Countless applications in all types of mining and underground construction. Can be installed vertically, horizontally or at an angle

  • 003

    Mine Roof
    Supports

    Extends hydraulically to roof height and applies active pre-load for enhanced performance. Suitable for heights up to 60ft (6m)

  • 004

    Safe
    Yielding

    High load-bearing capabilities and stable yielding make it suitable for high closure and seismic underground mining environments

Imperial brochure

Metric Brochure

Hydro Prop

  • 001

    What is it?

    A yielding, re-useable stope walling support prop that can be remotely installed and removed

  • 002

    Design

    Dual-steel tubing system is hydraulically set by extending telescopically to the roof

  • 003

    Pre-stressing

    Provides pre-stressing up to 10 metric tons in underground mining

  • 004

    Roof Support
    Advantages

    Lightweight and low maintenance

    Remote installation and release. Reusable

    Stable dynamic yielding

    No creep under static conditions

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Cam Prop

  • 001

    What is it?

    Re-useable temporary stope walling support unit that can be remotely removed

  • 002

    Design

    Dual-steel tubing system which allows for efficient support to stope walling when prestressed using the cam mechanism

  • 003

    Roof Support
    Advantages

    Light weight and easy to install

    Re-usable with remote release

    No creep under static conditions

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Sand Prop™

  • 001

    What is it?

    Ultra-compact, self-contained steel roof support prop that can be installed by one person

  • 002

    Support

    Consistent 60 US ton support with 2 inch controlled deformation

  • 003

    Design

    Engineered adjustability. Each prop offers 2 feet of height extension

  • 004

    Low cost
    mine roof support

    Fast, immediate support installable by one person. Optimal handling, no tools or equipment required

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Donut Cribs™& Cribpacs®

  • 001

    What are they?

    E.Dillon patented high capacity circular concrete mining roof supports

  • 002

    Fiber
    Reinforced

    Cut-able fiber reinforced concrete ideal for longwall moves, or for permanent, non-degradable roof support in underground mining

  • 003

    Support

    Stacked in layers, blocks provide dimensional stability, increased strength and stable yielding for active ground conditions

  • 004

    Handling

    Cribpacs® are pre-packaged stacks of 4, 5 and 6 layers with plywood for yielding and easier mechanical handling

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Fiber Crib™ Blocks & CribStacs®

  • 001

    What are they?

    E.Dillon patented high capacity concrete roof support systems

  • 002

    Fiber
    Reinforced

    Cut-able fiber reinforced concrete ideal for pre-driven recovery rooms, or permanent, non-degradable roof support

  • 003

    Stable
    Strength

    Stacked in layers blocks provide dimensional stability, increased strength and stable yielding for active ground conditions

  • 004

    Handling

    CribStacs® are 24” x 24” pre-bundled stacks with plywood for yielding and easier mechanical handling

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