Stackable Shims


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The standard snap off shim is the square U shape with a middle gap of 5/8″. Useful for installation of windows and doors, commercial glazing applications, for leveling and tightening in numerous applications. Widely used as window shims, the horseshoe design braces a greater surface area surrounding blots and fasteners than typical wooden wedges.

Glazelock Shims is a premium supplier of horseshoe shims to the construction industry.  Products are engineered and produced in the U.S.A.

Additional information

Weight N/A
Dimensions N/A

4.5", 5.125"


1008, 960

What our customers say.

  • We have been using Glazelock’s Interlocking shims for over 5 years now. They simply snap together to get our desired thickness. No more taping or glue shims together, saving us time and money.

    – Roger, Starline Architectural Windows Ltd.
  • We at Softer Lite Window Company use the Wedgelock Shim and are pleased with this great product.  My installers find it more efficient and cost-effective, and an easier and faster way to get the job done right-the first time.  We recommend the Wedgelock Shim and all of the Glazelock products.

    -Mark Kane, President, Softer Lite Window Company
  • Glazelock is our go to company for all our shim needs.  We’ve never had any problems with the product received.  The customer service provided goes beyond expectations-we can see our product ordered as soon as the next business day.

    -Lindsey Holmes, B&D Contractors, Inc.
  • I like using Glazeock’s Stackable Shims because they have the ability to stack well and make the right size shims for the job.

    -Jared, EGR Inc.

We also manufacture
custom shims!

Ask us about our custom shims manufactured to your specifications. Glazelock shims are designed with the installer in mind.

Glazelock Inc.



Learn More

Shipping Info

Shipping Information

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.

National Glass Association

Ph: 815 935 - 5396
Fax: 815 936 - 9314

All of our products are proudly made in the USA.US Flag

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