YOU DO THE WORK

YOU KNOW IT'S RIGHT

ENSURE IT STAYS THAT WAY

Stop arguing with customers who fix your repairs and then tell you it’s wrong. Tamper Seal is the high-visibility gotcha that protects your reputation and your wallet.

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Case Closed in Three Steps

APPLY

Apply Tamper Seal over bolts, fasteners, panels, or any two things that can move. Covers tampering evidence instantly.

DRY

In 15–30 minutes, the mark sets and creates an unbreakable visual cue.

VERIFY

If it's broken, someone messed with it. If it's intact, your work is untouched.

Tamper Seal applied in a car
Case Closed stamp

Built for the Pros. Perfect for the Garage

The Surfaces

It sticks to metal, plastic, rubber, wood, ceramics, textiles, and glass

The Crowd

Whether you're an HVAC master or working on everyday repairs, this provides total peace of mind.

The Best Seller

Our Yellow is the #1 choice for high-visibility protection.

Tamper Seal in use
Tamper Seal logo
About Us

Built on Proof

We created Tamper Seal to solve one expensive problem: dishonest claims against honest mechanics. Decades later, our quick-drying visual indicator remains the fastest way for pros and DIYers to safeguard their work, protect their equipment, and shut down disputes before they start.

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Tamper Seal mascot

No Mysteries. Just Proof.

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