Glazelock® Interlocking U Shims 3" x 1-1/2" | 1/2" Slot

Three Glazelock interlocking U-shaped plastic shims

Glazelock shims U-shaped black metal tool with clamps and hole

Glazelock interlocking U-shaped plastic shims in various types and colors

Glazelock interlocking U-shaped plastic shims black clip with slots

Glazelock interlocking U-shaped black plastic shims with ribbed surface

Glazelock interlocking blue red black U-shaped shims

Glazelock interlocking U-shaped plastic shims, bright red glossy finish

Glazelock shims black U-shaped metal tool with adjustable clamps

Glazelock interlocking U-shaped plastic shims with handles

Glazelock interlocking U-shaped plastic shims, bright blue with notches

Glazelock interlocking U-shaped shims with adjustable clamps

Red Glazelock interlocking U-shaped plastic shims

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Glazelock® Interlocking U-Shaped Plastic Shims — 3" x 1-1/2", 1/2" Slot | Made in USA

Glazelock® Interlocking U-Shaped Shims feature innovative interlocking technology that securely connects stacked shims for enhanced stability and precise thickness control. Measuring 3" x 1-1/2" with a 1/2" slot, these are the go-to shim for professional window and door installation. Made in USA since 1997.

Key Specifications

Dimensions: 3" x 1-1/2"
Slot: 1/2"
Shape: U-shaped (horseshoe)
Design: Interlocking — shims lock together when stacked
Material: High-impact plastic
Colors: Assorted
Origin: Made in USA since 1997

Key Benefits

Interlocking Technology — Prevents shifting during installation for consistent results
Precise Thickness Control — Stack multiple shims for exact spacing requirements
1/2" Slot — Fits around standard pipes, bolts, and hardware
Professional Dimensions — 3" x 1-1/2" ideal for most window and door applications
Made in USA — Consistent quality since 1997

Perfect For

Precision window installation and glazing
Interior and exterior door installation
Cabinet leveling and alignment
Multi-level shimming requiring secure stacking
Complex installations around pipes and hardware

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FAQs

What are Glazelock shims used for? +

Glazelock interlocking plastic shims are used for leveling and aligning windows, doors, frames, and other construction applications. Their interlocking design locks stacked shims together to prevent shifting during and after installation.

What makes Glazelock different from regular shims? +

Glazelock shims feature a patented interlocking design that locks stacked shims together so they won't shift or slide out of position — a common problem with standard plastic or wood shims.

Are Glazelock shims Made in USA? +

Yes. Glazelock shims have been Made in the USA since 1997.

What size is this Glazelock shim? +

This Glazelock shim measures 3" x 1-1/2" with a standard 1/2" slot, ideal for window and door installation with standard pipes and bolts.

What pack sizes are available? +

Available in packs of 100 and 1,000 pieces in thicknesses of 1/16", 1/8", and 1/4" for precise leveling control.

Glazelock® Interlocking U-Shaped Shims — 3" x 1-1/2" | 1/2" Slot

Glazelock® Interlocking U-Shaped Plastic Shims — 3" x 1-1/2", 1/2" Slot | Made in USA

Key Specifications

Key Benefits

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Glazelock® Interlocking U-Shaped Shims — 3" x 1-1/2" | 1/2" Slot

Glazelock® Interlocking U-Shaped Plastic Shims — 3" x 1-1/2", 1/2" Slot | Made in USA

Key Specifications

Key Benefits

Perfect For

Hear it from them

Customer Reviews

FAQs

Let customers speak for us