As a homeowner, you want to make sure that any product you purchase is backed by a warranty. At Therma-Tru, we make or specify everything that goes into our door systems. That means you only have one source to turn to should something go wrong.


Warranty Coverage

We can stand behind more parts and for longer than most other door companies because we make or specify everything that goes into our door systems.

Warranty Documentation

Tru-Defense: The Ultimate Protection

More than beautiful doors and glass; a complete door system includes the components used to assemble it. The Therma-Tru genuine components in a Tru-Defense door system are our premium options for long-lasting durability and enhanced warranty coverage.

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Double Your Peace of Mind

When it comes to door systems, we believe that proper installation is just as important as having the best components. A Tru-Defense door system installed by a Therma-Tru Certified Door System Installer doubles your reimbursement eligibility should an issue arise.**

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Warranty Request Form

Therma-Tru warrants the original owner of the door against manufacturing defects. Please use this link to submit a warranty claim for your Therma-Tru door unit. In order to process your claim efficiently, we ask that you provide the following information:

  • Proof of purchase
  • Pictures of the Therma-Tru door unit that clearly show the issue
  • Pictures of the Therma-Tru watermark on the glass and/or the Therma-Tru stamp on the hinges
  • Any relevant sizing information (e.g. slab dimensions, glass frame to frame measurements)

Warranty Request

2Excluding installations within 5 miles of a body of salt water and the finish.
3Excluding normal wear and tear.
*See your Therma-Tru seller for details on product availability.
**The Rider does not warrant workmanship of anyone who assembles of installs a Tru-Defense door system, including Therma-Tru Certified Door System Installers, nor damages caused by impropwer handling, assembly, or installation.