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

Three white u-shaped plastic glazelock shims 3 x 1-1/2 inches with 1/2 inch slot for interlocking use

Black u-shaped metal glazelock shims with two adjustable clamps and circular hole for interlocking use

The image shows colorful glazelock shims including u-shaped, interlocking, snap-off, flat plate, wedge-lock, tapered, and pre-scored types

Black glazelock u-shaped plastic shim with two rectangular slots for interlocking 3 x 1-1/2 inch glazelock shims

Black plastic glazelock shims with textured ribbed surface for secure installation 3 inch by 1-1/2 inch wedge-lock shims

Blue red and black interlocking u-shaped stackable glazelock shims 3 by 1.5 inches with 0.5 inch slot

Bright red u-shaped glazelock shims with a smooth glossy finish and two small inner notches for interlocking use

Black u-shaped glazelock shims metal tool with two adjustable clamps and circular hole for interlocking use

Blue plastic u-shaped glazelock shims with two small handles for interlocking 3 by 1.5 inch 1/2 inch slot use

Bright blue plastic glazelock shims with u-shaped interlocking design and two small inner notches 3 by 1.5 inches

Bright blue plastic glazelock interlocking u-shaped shim with two inner notches for 3 x 1-1/2 inch 1/2 inch slot use

Black u-shaped glazelock shims with two adjustable clamps and a circular hole 3 x 1-1/2 inch metal tool

Red plastic u-shaped glazelock shims 3 by 1.5 inch with 0.5 inch slot for precise glazing alignment

Black u-shaped metal glazelock shims with two adjustable clamps and circular hole for interlocking use 3 by 1.5 inches

Bright red glazelock u-shaped plastic shims with a glossy finish and two inner notches for interlocking use

Bright red u-shaped glazelock shims with smooth glossy finish and two small inner notches for interlocking use

$88.20

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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