• Features a patented collapsible locking mechanism that allows for quick, secure stackable placement without the need for tape or adhesives
  • Manufactured from high-impact structural plastic that is engineered to resist rotting, shrinking, or swelling, outperforming traditional wood shims
  • Designed with a built-in 1/2-inch slot to easily accommodate bolts and anchors for stable, secure alignment during heavy-duty construction
  • Innovative U-shaped horseshoe design enables installers to make precise thickness adjustments while maintaining a professional, uniform fit
  • Provides a cost-effective solution by significantly reducing labor time and material waste during large-scale leveling and alignment tasks
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Price: $89.00
    Item #GLZ01
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    Description

    The Glazelock GLZ01 interlocking horseshoe plastic shim is designed for precision leveling and alignment tasks in window, door, curtain wall and general construction applications. Each shim measures 3 in in length, 1½ in in width and ¼ in thick, with a ½ in slot to accommodate bolts or anchors. These shims are made from durable plastic that resists rotting, shrinking or swelling and feature a patented collapsible locking mechanism for stackable placement. They help reduce labor and material costs by eliminating the need to tape or glue multiple shims together.

    Key features:

    • Utility focused: quick stackable placement with patented collapsible locking mechanism optimises installer workflow
    • Technical/material highlight: made from structural high-impact plastic material that prevents rot, shrink and swell compared to wood shims
    • Performance/design benefit: designed with a ½ in slot to fit around bolts and anchors and provide secure stable alignment under pressure
    • Installation/application advantage: interlocking U-shaped horseshoe design allows precise thickness adjustments without glue or tape

    Specifications

    • SKU: GLZ01
    • Product type: Interlocking U-shaped Horseshoe Plastic Shim
    • Dimension: 3 in (length) × 1.5 in (width) × 0.25 in (thickness)
    • Material: Structural plastic (high-impact polystyrene or equivalent)
    • Performance or rating info: Designed to resist rot, shrink and swell; features patented collapsible locking mechanism
    • Installation or application context: Window, door, curtain wall, cabinet, appliance, furniture leveling and general construction alignment
    • Included components: Box of shims (case quantity of 1000 units)
    • Environmental, temperature, or design characteristics: Made in the USA; designed for stability and durability in construction applications

    FAQs

    Q: Can the GLZ01 shims be stacked to achieve custom thickness?
    A: Yes — the interlocking design allows stacking multiple shims to reach desired thickness without tape or glue.

    Q: Are these shims suitable for outdoor use or exposed environments?
    A: Yes — the plastic construction resists rot, shrink and swell, making them appropriate for both indoor and outdoor applications.

    Q: How do I choose the right shim thickness for my installation?
    A: Match the shim thickness (¼ in for GLZ01) to the gap or elevation required, and stack additional shims if greater thickness is needed.

    Q: What types of fasteners or anchors can be used with these shims?
    A: These shims feature a ½ in slot that accommodates bolts and anchors common in window and door installations.

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