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Engineered with the Installer in mind

The Worlds Only
Interlocking
Stackable
Horseshoe Shim.

01

Engineered with the Installer in mind.

Glazelock Shims Inc. has been a manufacturer of structural plastic shims since 1997.
We pride ourselves with quality products, quick turn around time, and great customer service.

  • Invented by a window installer.

  • Reduces material and labor costs.

  • Secure and Stable.

  • Simplifies installation in a multitude of applications.

  • Proudly made in the USA.

  • Multiple sizes and variations available.

02

What our customers say.

03

Meet the Team

Glazelock Shims Inc. has been a manufacturer of structural plastic shims since 1997.
We pride ourselves with quality products, quick turn around time, and great customer service.