Name: Therma-Tru Smooth Star Entry Door 36-in x 80-in x 4-9/16-in Fiberglass Left-hand inswing Black Painted Prehung Insulating core Front Door
Brand: Therma-Tru
SKU: 5014708831
Rating: 4.2 (157 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

157 Reviews

74% Recommend this product

Ratings may include incentivized customer reviews.

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+ 22

What Customers Are Saying

Customers overwhelmingly praise this door for its beautiful, modern design and solid construction. Most highlight the stunning black finish and farmhouse style that enhances curb appeal and delivers abundant natural light. Reviewers consistently note the heavy-duty fiberglass feels substantial and durable, with a professional pre-painted finish. Many emphasize exceptional value, comparing it favorably to doors costing significantly more. A few report minor issues like arrival damage or paint imperfections, but these concerns are far outweighed by overall satisfaction with quality and aesthetics.

Customer review summary generated by AI, including incentivized reviews.

157 Customer Reviews

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Scratches from shipment and cosmetic defects

Would Not Recommend

Extra paint on windows, glue line had to be scraped off and minor scratches from shipment

SteveSeptember 24, 2026

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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... Read More

Therma-Tru DoorsSeptember 25, 2026

ThermaTru

Would Recommend

Bought a few weeks ago. Seals great. Looks amazing!

PatdaddySeptember 23, 2026
Verified Purchaser

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Great door

Would Recommend

This door was easy to install and looks great, we have had many compliments on it since it was installed.

CraigOSeptember 14, 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 Verified Purchaser

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/6c4fdd93-d8c6-59c7-9469-a2b7912b8d8d

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/2aa302c2-b3b5-517a-bd67-9ca9ecce1273

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/21c665b0-0bb0-5d09-82f1-f913a2854c57

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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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		Name	Current Item Therma-TruSmooth Star Entry Door 36-in x 80-in x 4-9/16-in Fiberglass Left-hand inswing Black Painted Prehung Insulating core Front Door
		Ratings	157
		Material	Fiberglass
		Configuration	Single door
		Core Type	Insulating core
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6	7	13	13	60	60	10		13
Fiberglass	Fiberglass	Wood	Wood	Fiberglass	Fiberglass	Fiberglass	Fiberglass	Wood
Single door	Single door	Single door	Single door	Single door	Single door	Single door	Single door	Single door
Insulating core	Insulating core	Solid core	Solid core	Insulating core	Insulating core	Insulating core	Insulating core	Solid core