Name: Masonite 36-in x 80-in (primed) Solid Core 6-panel Left Hand Molded Composite Single Prehung Interior Door
Brand: Masonite
SKU: 1000055431
Rating: 3.9 (282 reviews)

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Add a defining element to any space with the familiar design and timeless appeal of the Masonite 6-panel interior door slab. Molded panel engineering delivers on-trend designs that resist warping, shrinking and cracking.

Traditional 6-panel door style with primed textured surface
Engineered to deliver sound-dampening performance to help create quieter spaces throughout the home.
Unit comes pre-assembled in a 4-9/16 inch flat jamb, ready to install
Interior door slab is single bored for lockset (not included)
Door comes primed, ready to paint to match your decor
Solid-core construction resists warping, shrinking and cracking
DOOR COMES PRIMED (UNFINISHED), TYPICALLY IN A LIGHT YELLOW OR OFF-LIGHT WHITE BASE, READY TO BE PAINTED TO MATCH YOUR DECOR - Full assortment of coordinating passage door and bifold widths available

General
Prefinished	Yes	Series Name	Traditional
Lockset Bore	Yes	Panel Type	6-panel
Smooth Surface	No	Door Finish	Primed
Glass Style	No glass	Core Type	Solid core
Color/Finish Family	White	Manufacturer Color/Finish	N/A (primed)
Hinge Finish	Satin nickel	Door Frame Finish	Prefinished
Configuration	Single	Handing	Left hand
Primed	No	Jamb Type	Flat
Material	Molded composite

Dimensions
Common Size (W x H)	36-in x 80-in	Weight (lbs.)	74
Actual Width (Inches)	37.5	Jamb Width (Inches)	4.562
Door Thickness (Inches)	1.375	Finish or Rough Opening Width (Inches)	38
Actual Height (Inches)	81.5	Finish or Rough Opening Height (Inches)	82

Features
Can Be Cut to Fit	Yes	Door Style Rustic	No
Textured Surface	Yes	Hinges Included	Yes
Door Style Contemporary	No	Flat Jamb	Yes
Door Style Coastal	No	Split Jamb	No
Door Style Modern	No	Solid Core	Yes
Door Style Mid Century	No	Stained	No
Door Style Farmhouse	No	Unfinished	No
Door Style Craftsman	No	Lowe's Exclusive	No
Hollow Core	No	Casing Included	No
Door Style Victorian	Yes	Door Surface	Textured
Door Style Traditional	Yes

Warranty
Warranty	7-year limited

Miscellaneous
UNSPSC	30171500

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Review

3.9 out of 5

282 Reviews

72% Recommend this product

Ratings may include incentivized customer reviews.

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+ 14

What Customers Are Saying

Customers praise the solid core construction for excellent sound dampening and heavy, durable feel compared to hollow-core alternatives. The primed finish receives strong approval for ease of painting and value. However, many report significant manufacturing inconsistencies including shallow or misaligned hinge mortises, stripped screw holes, warped frame legs, and misaligned door knob holes. Despite these quality control issues, most customers find the sound reduction and solid construction worthwhile overall.

Customer review summary generated by AI, including incentivized reviews.

282 Customer Reviews

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Door

Less real wood than I was expecting, but also easier to install than I expected.

MrrbfSeptember 21, 2026
From 28-in x 80-in (primed) Solid Core 6-panel Right Hand Molded Composite Single Prehung Interior Door Verified Purchaser

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Response from Masonite Doors

Thank you for the 4 stars! We are so glad to hear that installation was done with ease and you are satisfied with the 28-in x 80-in (primed) Solid Co... Read More

Masonite DoorsSeptember 30, 2026

Masonite

Quality

Would Recommend

good quality, terrific price, easy to install

chuck123August 31, 2026
From 28-in x 80-in (primed) Solid Core 6-panel Right Hand Molded Composite Single Prehung Interior Door Verified Purchaser

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		Name	Current Item Masonite36-in x 80-in (primed) Solid Core 6-panel Left Hand Molded Composite Single Prehung Interior Door
		Ratings	282
		Material	Molded composite
		Handing	Left hand
		Actual Width (Inches)	37.5
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Molded composite	Molded composite	Molded composite	Molded composite	Wood	Molded composite	Wood	Molded composite	Molded composite
Right hand	Right hand	Left hand	Left hand	Left hand	Right hand	Right hand	Left hand	Left hand
31.5	37.5	37.5	37.5	37.5	37.5	37.5	37.5	37.5