Benchmark Doors

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Frequently Asked Questions

Finishing FAQs
Warranty FAQs

General FAQs

What are the advantages of fiberglass over wood and steel? Unlike wood doors, fiberglass won't dent, crack, split or splinter. Unlike steel doors, fiberglass won't dent, rust or warp, either. Fiberglass also resists shrinking and swelling with temperature changes, allowing the finish to last three times longer than on a wood door. The solid polyurethane foam core offers five times greater insulation value than wood doors.

Why should I select a Benchmark by Therma-Tru door? Therma-Tru is the market leader and innovator in fiberglass door technology. Our fiberglass doors are more durable and energy-efficient than wood or steel doors, and are backed by the best full-system warranties in the industry.

What types of fiberglass doors does Benchmark by Therma-Tru offer? There are two lines of fiberglass doors to fit any budget: wood grain or smooth surface.

How can I get pricing for Benchmark by Therma-Tru doors? Visit Lowe's and see a sales associate for customizing your door.

How can I get a free Benchmark by Therma-Tru brochure? Download a free Benchmark by Therma-Tru brochure from our website here.

Where can I get replacement parts for my Benchmark by Therma-Tru door system? Visit Lowe's and see a sales associate for replacement parts.

Can I take a glass style from the Therma-Tru family and use it in a Benchmark by Therma-Tru door? No. The glass styles are unique to each brand and cannot be interchanged.

What are the rough opening dimensions for the Benchmark by Therma-Tru door systems? These dimensions can be found by clicking here.

How do I install a Benchmark by Therma-Tru door system? Installation instructions can be found by clicking here.

In what heights is Benchmark by Therma-Tru available? 6'8" (79 inches) and 8'0" (95.25 inches)

Can fiberglass doors be exposed to chlorine fumes without any harm (pool area)? In general, we would not expect any problems, assuming that there is topcoat or paint on the door. The hydrochloric acid (muriatic) or some of the other chlorinated acids do attack the surface of the door skin irreversibly if concentrated enough (example brick wash-strength muriatic). The result is a surface that doesn't stain evenly with the surrounding surface. However, once painted/topcoated, this shouldn't be an issue.

Do locksets tarnish on doors and do they have to be caulked to prevent that? Brass locksets set up an electrochemical reaction with the zinc of electrogalvanized STEEL doors. It is a small battery. That will tarnish the locksets. Lock companies try to avoid this with plastic rings behind the escutcheon plates or application of caulk - anything to break the electrical contact between the two: brass and zinc. FIBERGLASS DOORS DO NOT EXPERIENCE THE REACTION. No preventative action is needed.

What is the warranty on the Multi-point Locking System (MPL)? Limited Lifetime Warranty

What finish options are available for the MPL? Polished Brass, Brushed Chrome and Matte Black.

Sold exclusively at Lowe’s
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