Frequently Asked Questions

We’re here to help. If you don’t find an answer to your question on this page, please contact your local Therma-Tru dealer. To find a store near you, visit our Find a Dealer page. You can also call us toll-free at 1-800-THERMA-TRU (800-843-7628), Monday–Friday, 8 a.m.–6 p.m. Eastern Time, or email us at customersupport@thermatru.com.


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Patio Doors

Hinged Patio Doors

What is the difference between a hinged patio door and a French door? A hinged patio door is two doors connected by a hinge in a continuous sill frame; one is fixed, the other is active and swings in or out. A French door is two active doors; one is passive and only opened when full clearance is needed.

Can I get a standard size hinged patio door? Yes. Therma-Tru offers a variety of sizes in our hinged patio doors. For product availability, contact your local Therma-Tru dealer.

Can I order a custom size hinged patio door? Yes. Our hinged patio door systems can be ordered in select custom sizes. For product availability, contact your local Therma-Tru dealer.

Can I get a hinged patio door system with all stationary panels? Yes. For product availability, contact your local Therma-Tru dealer.

Do you offer folding patio doors? No.

Can you custom make a hinged patio door system with both divided lites and mini blinds? No.

I ordered the wrong handing on my hinged patio door system. Can I switch the door panels? Due to the design of the hinged patio door system, we do not recommend switching the door panels.

What type of Low-E glass do you use on your hinged patio doors? We offer high-performance factory-coated Low-E glass in our hinged patio doors. For product availability, contact your local Therma-Tru dealer. For more information, call us toll-free at 1-800-THERMA-TRU (843-7628), Monday–Friday, 8 a.m.–6 p.m., or email us at customersupport@thermatru.com.

Can I get a hinged patio door system with Impact-rated glass? Yes. For product availability, contact your local Therma-Tru dealer.

Can I get custom prep for hardware and hinges on my hinged patio door system? Yes. For product availability, contact your local Therma-Tru dealer.

Can I order Oak jambs with my hinged patio door? There are a variety of jamb options available. For product availability, contact your local dealer.

Can I get replacement parts for my hinged patio door system? Yes. However, we may not have replacement parts for certain vintage patio door systems. For assistance with replacement parts, contact your local Therma-Tru dealer;. Or call us toll-free at 1-800-THERMA-TRU (843-7628), Monday–Friday, 8 a.m.–6 p.m. Eastern Time, or email us at customersupport@thermatru.com.



Vented Sidelites

Are hinged patio door systems available with vented sidelites? Yes. For product availability, contact your local Therma-Tru dealer.

Can I get vented sidelites in individual pieces, so I can mull them together in the field? For product availability, contact your local Therma-Tru dealer.

Can you make custom heights in vented sidelite door systems? No. At this time, that option is not available.

Can vented sidelites be cut down? No.



Vinyl Sliding Patio Doors

Do you offer sliding patio doors? Yes. Therma-Tru offers vinyl sliding patio door systems. Browse the selection on our Vinyl Patio Doors page. For product availability, contact your local Therma-Tru dealer.

Do you offer a fiberglass sliding patio door system? No. However, Therma-Tru does offer vinyl sliding patio doors. Browse the selection on our Vinyl Patio Doors page. For product availability, contact your local Therma-Tru dealer.

Can I still get the Slim Line fiberglass sliders? No. Those are no longer available. However, Therma-Tru does offer vinyl sliding patio doors. Browse the selection on our Vinyl Patio Doors page. For product availability, contact your local Therma-Tru dealer.

I ordered the wrong handing on my vinyl sliding door system. Can I switch the door panels? Yes. See our Installation Instructions for reversing the sliding panel.

What type of Low-E glass is used on your vinyl sliding patio doors? We offer high-performance factory-coated Low-E glass in our vinyl sliding patio doors. For product availability, contact your local Therma-Tru dealer. For more information, call us toll-free at 1-800-THERMA-TRU (843-7628), Monday–Friday, 8 a.m.–6 p.m., or email us at customersupport@thermatru.com.

Can I get replacement parts for my vinyl sliding patio door system? Yes. However, we may not have replacement parts for certain vintage patio door systems. For assistance with replacement parts, contact your local Therma-Tru dealer. For more information, call us toll-free at 1-800-THERMA-TRU (843-7628), Monday–Friday, 8 a.m.–6 p.m., or email us at customersupport@thermatru.com.

I have a vinyl sliding patio door that needs replacement parts. Are they covered under warranty? To learn if you have a possible warranty claim, contact the dealer, builder or contractor who installed or sold the product. If that party is unknown or unreachable, call us toll-free at 1-800-THERMA-TRU (843-7628), Monday–Friday, 8 a.m.–6 p.m., or email us at customersupport@thermatru.com.



Patio Transoms

Are transoms available for patio door systems? Yes. We offer transoms for select patio door systems. For product availability, contact your local Therma-Tru dealer.

Can I order a transom for my quad hinged patio door system? No.

Can I order a transom for my quad slider patio door system? No.



Patio Screens

Are screens available for your hinged patio door systems? Yes. For product availability, contact your local dealer.

Are screens available for your hinged patio door systems? Yes. For product availability, contact your local dealer.

Are screens available for your vinyl sliding patio door systems? Yes. For product availability, contact your local dealer.

What color screens are available? Hinged patio screens are available in bronze, stone or white. Vented sidelite screens are available in bronze or white. Vinyl sliding patio screens are available in white only. For product availability, contact your local Therma-Tru dealer.

Do screens for patio door systems come with the track and hardware? This will depend on the screen you choose. For product availability, contact your local Therma-Tru dealer.

Where can I get latch package hardware for my patio screen? For product availability, contact your local Therma-Tru dealer.

How do I latch my hinged patio door screen? The screen locks into the jamb strike keeper.

Will my patio screen come installed on my door system? No. Patio screens are installed in the field after the patio door is installed per the installation instructions.

How do I install a patio screen? Visit our Installation Instructions page to learn how to install a patio screen.

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