Name: Therma-Tru Entry Door 36-in x 80-in x 4-9/16-in Fiberglass Left-hand inswing Black Painted Prehung Residential Insulating core Front Door
Brand: Therma-Tru
SKU: 5014708831
Rating: 4.2 (150 reviews)

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Engineered to last longer, Therma-Tru fiberglass doors resist dents, rust and rot
Smooth-Star fiberglass doors feature crisp, clean contours, making them more attractive and durable to steel
Flush-glazed glass eliminates the need for a lite frame, providing a clean, seamless appearance
Featuring our black paint, backed by a 10-year limited finish warranty
Composite door frame helps protect your door from moisture and rot
Ball-bearing hinges help your door stay aligned and operating smoothly
Durable low-maintenance fiberglass is built for long-term performance; Backed by a lifetime limited warranty for peace of mind
Pre-hung and ready to install for your convenience with options for right- and left-handed entries

General
Handle Finish	N/A (no handle)	Panel Type	1-panel
Painted	Yes	Primed	No
Prehung Door	Yes	Collection Name	Entry Door
Slab Door	No	Color/Finish Family	Black
Left-hand Inswing	Yes	Configuration	Single door
Left-hand Outswing	No	Core Type	Insulating core
Right-hand Inswing	No	Glass Insulation	Low-E
Right-hand Outswing	No	Handing	Left-hand inswing
Universal/Reversible Handing	No	Lockset Bore	Ready for lockset and deadbolt
Finish	Painted	Sill Finish	Black nickel
Glass Style	Simulated divided light	Sill Type	Adjustable
Material	Fiberglass	Manufacturer Color/Finish	Black
Fire Rated	No	Hinge Location (Exterior View)	Left side

Dimensions
Common Width (Inches)	36	Actual Width (Inches)	37.5
Common Height (Inches)	80	Rough Opening Height	82
Common Depth (Inches)	4.5625	Rough Opening Width (Inches)	38.25
Common Size (W x H)	36-in x 80-in	Actual Height	81.5
Jamb Width Measurement	4-9/16-in	Jamb Width (Inches)	4.5625
Weight (lbs.)	100	Actual Depth (Inches)	4.5625

Features
Weatherstripping Included	Yes	Locking System Included	No
Privacy Rating	1	Door Style Traditional	No
Brickmould Included	Yes	Door Style Coastal	No
Handle(s) Included	No	Door Style Farmhouse	No
Impact Resistant Glass	No	Back Door	Yes
3-Point Locking System	No	Stained	No
Door Style Victorian	No	Unfinished	No
Door Style Modern	Yes	Commercial/Residential	Residential
Door Style Craftsman	No	Impact Resistance	No
Door Style Rustic	No	Lowe's Exclusive	No
Door Style Mid Century	No	Glass Caming	No
Door Style Contemporary	No	Solar Heat Gain Coefficient (SHGC)	0.18
Glass Shape	3/4 lite

Certifications
CA Residents: Prop 65 Warning(s)	Prop 65 WARNING(S) -	ENERGY STAR Certified Northern Zone	No
ENERGY STAR Certified South/Central Zone	Yes	ENERGY STAR Certified North/Central Zone	No
ENERGY STAR Certified Southern Zone	Yes	U Value	0.28

Warranty
Warranty	Limited lifetime

Compatibility
For Use with Mobile Homes	No

Miscellaneous
Sub-Brand	Smooth Star	UNSPSC	30171500

Check out the Best Selling Front Doors on Lowes.com

Review

4.2 out of 5

150 Reviews

73% Recommend this product

Ratings may include incentivized customer reviews.

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+ 21

What Customers Are Saying

The door features an attractive black finish, sturdy construction, and generous window area that allows ample natural light. Many customers praise the high quality and easy installation. However, some report receiving the door with scratches, chipped paint, or other damage. There are also concerns about the door's long-term durability, with a few customers experiencing issues like peeling paint or the door breaking in cold weather.

Customer review summary generated by AI, including incentivized reviews.

150 Customer Reviews

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Great product

Would Recommend

DoorSeptember 4, 2026
From Smooth Star 36-in x 80-in x 4-9_SLASH_16-in Fiberglass Right-hand inswing Prehung Residential Insulating core Front Door Verified Purchaser

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Modern and chic door

Would Recommend

Love this door! Great birthday present to myself. Keep in mind, the installation will be almost as much as the door itself…just FYI! But the installer took only 2 hours and BAM …my home value just shot up $10,000! Thanks Lowe’s!

MadDawgSeptember 1, 2026
From Smooth Star Entry Door 36-in x 80-in x 4-9_SLASH_16-in Fiberglass Right-hand inswing Black Painted Prehung Residential Insulating core Front Door

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Front door

I love this door! My husband installed it and it went smoothly.

ClaudiaAugust 24, 2026
From Smooth Star 36-in x 80-in x 4-9_SLASH_16-in Fiberglass Left-hand inswing Unfinished Prehung Residential Insulating core Front Door Verified Purchaser

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Looks great BUT....

Would Not Recommend

There are many problems with this door! First, side weatherstripping is about 1/2" too short so door leaks in heavy rain. It probably leaks in any rain but in heavy rain I get a puddle on the floor. All hinges came with only 3 screws, not 4 and there is black glass sealant stuck on the door exterior. With the really hot weather we have had the side weather stripping has melted onto the door surface. If I hadn't needed a door that day I would have returned this. I would not buy this door unless ...

wishIdidntbuythisAugust 14, 2026
From Smooth Star 36-in x 80-in x 4-9_SLASH_16-in Fiberglass Right-hand inswing Prehung Residential Insulating core Front Door

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/b5ed2977-8b5c-5031-af8b-53c9dad3f8cc

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/84c08e7e-0e22-5190-b175-646ff446f43a

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/aa41208a-d532-5390-acb9-2efdd5474522

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/d5528b4a-51c0-590d-9ee4-b0edcdcba6f6

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/ec5c6494-fd39-52a9-b6a3-b99219623821

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Response from Therma-Tru Doors

We apologize for any inconvenience this issue has caused. Please reach out to us at 800-843-7628 to further discuss.

Therma-Tru DoorsAugust 17, 2026

ThermaTru

Would Not Recommend

We bought this door as it was good price however it took us 4 doors to find one not scratched up and then once it was installed we realised the 4th door has visible staples in the frame. At this point we’re over it and will just try to fix it later.

SamAugust 13, 2026

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Response from Therma-Tru Doors

Please feel free to reach out to us to discuss the issues you are experiencing with your Therma-Tru Benchmark door. We can be reached at 800-843-7628...

Therma-Tru DoorsAugust 14, 2026

ThermaTru

I like the look of the door.

Would Not Recommend

Door delivery looks nice. Start the install noticed quality on trim and things not that good. Trim looks like it was prid off then reinstalled! Top hinge not line up! You can not remove the srew to correct it! I do like that the door case is composite.

MattJuly 19, 2026

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/152eb405-db26-566a-9442-233c5f2096fa

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/a06528ad-afeb-525a-a85b-fd399adfed60

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/34919aaa-81df-504b-80af-758d93663695

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/acedef6d-b2dd-5110-98ca-edd918fa3500

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/5b12f1b3-a185-5284-9663-ece681ed549f

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/3de1b2cf-1d85-504e-a9e6-22c85c8b5599

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Response from Therma-Tru Doors

Thank you for reaching out to share your feedback with us. Our Consumer Service team would like to learn more about your experience. If you would lik...

Therma-Tru DoorsJuly 23, 2026

ThermaTru

Would Recommend

The company who installed the Entry door were very Professional. Door was installed and the workers cleaned up after themselves.

DayzeeJune 26, 2026
Verified Purchaser

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		Ratings	150
		Material	Fiberglass
		Configuration	Single door
		Core Type	Insulating core
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Insulating core	Solid core	Insulating core	Solid core	Insulating core	Insulating core	Solid core	Solid core	Insulating core