Name: Glazelock Window Door Installation Shims - Professional Plastic Leveling Shims, Multiple Colors & Thicknesses, Made in USA
Brand: Glazelock
SKU: FS01
Price: 103.6 USD
Availability: InStock

Glazelock plastic shims: 3 colored rectangular thicknesses

Glazelock shims: U-shaped, interlocking plastic shims in multiple colors

Black Glazelock plastic shims with wedge-lock ribbed surface

Glazelock shims: blue, red, black interlocking plastic shims

Red Glazelock plastic shims on USA-made cutting board with flag

Glazelock olive green plastic shims with Made in USA sticker

$103.60

Shipping calculated at checkout.

Size —

1/4" 300pc (25 x12)

1/8" 600pc (50x12)

1/16" 480pc (40x12)

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Glazelock® Window & Door Installation Shims — Professional Plastic Leveling | Made in USA

Glazelock® Window and Door Installation Shims were invented by a window installer who understood the need for reliable, easy-to-use shims that simplify installation while ensuring professional results. Available in multiple colors and thicknesses, these rectangular plastic shims provide essential leveling and support for windows, doors, cabinets, and general construction. Made in USA since 1997.

Key Specifications

Shape: Rectangular flat plate
Colors: Multiple — for easy thickness identification
Thicknesses: Assorted range for precise leveling
Material: Durable plastic
Origin: Made in USA since 1997
Designed By: Professional window installer

Key Benefits

Installer-Designed — Created by a professional window installer for real-world performance
Multiple Colors — Color-coded thicknesses for fast identification and organization
Assorted Thicknesses — Complete range for precise leveling in any application
Durable Plastic — Won’t rot, rust, or compress like wood shims
Made in USA — Consistent quality since 1997

Perfect For

Residential and commercial window installation
Interior and exterior door installation
Cabinet leveling and alignment
General construction leveling and spacing
Professional contractors and DIY home improvement

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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 colors and thicknesses are available? +

Glazelock window and door installation shims are available in multiple colors and thicknesses for precise leveling control across a wide range of professional and DIY applications.

Are these shims color-coded? +

Yes. Glazelock shims are color-coded by thickness for easy identification during installation, saving time on the job site.

Glazelock Window Door Installation Shims - Professional Plastic Leveling Shims, Multiple Colors & Thicknesses, Made in USA

Glazelock® Window & Door Installation Shims — Professional Plastic Leveling | Made in USA

Key Specifications

Key Benefits

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Glazelock Window Door Installation Shims - Professional Plastic Leveling Shims, Multiple Colors & Thicknesses, Made in USA

Glazelock® Window & Door Installation Shims — Professional Plastic Leveling | Made in USA

Key Specifications

Key Benefits

Perfect For

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