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Engineered with the Installer in mind

Proudly Made in the USA

Why use Glazelock Shims?


  • Invented by a window installer.

  • Easier placement.

  • 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.

Shipping Info


All In-stock orders received by 2pm CST are shipped same day. Products shipped by UPS and/or Common Carrier We will ship Ground/Best way.

If you need an order expedited please give us a call and we can quote you for Next Day Air and Second Day.