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Where to buy

Our Plastic Shims Leave Compromise
Dead in the water.

Where to buy
  • Waterproof, rot-proof, termite-proof:
    Ideal for damp or outdoor environments.
  • Exceptional load-bearing strength:
    Plastic shims offer higher compressive strength, supporting heavier loads.
  • Adjustable & economical:
    “Double snap” scoring lines for precise snapping. 
Cover up to 3X MORE than standard wood shim bundles.

4 U-Shaped Sizes.
No cutting, no waste.

The right shim for every job — engineered for precision, trusted by pros, and ready for DIY success.

From fine adjustments to heavy-duty leveling, our precision-engineered U Shims make every project faster, easier, and more accurate.

Where to buy

Work Smarter.
Efficient. Precise. Ready to Work.

See how it works and why pros make the switch!

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  • Plastic Shims for Windows
  • Plastic Shims for Doors
  • Plastic Shims for Cabinets
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See how it works and why pros make the switch!

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Our shims stack up

Five stars

Carl Hanson | VERIFIED BUYER

Verified

Handy sized bag of various sized spacers for packing out. The serrated surface means they're less likely to slip when stacked so do exactly what they're designed for.

Five stars

Anonymous | VERIFIED BUYER

Verified

When precision is required, these shims are very useful. Highly recommended.

Five stars

Anonymous | VERIFIED BUYER

Verified

I liked the fact I had several sizes to choose from. They were perfect.

Five stars

Raymond | VERIFIED BUYER

Verified

Picked up some samples at a trade fair years ago and haven't looked back! Use these on every build and restoration and my only wish is that they do larger pack sizes.