If you need a 24-by-80-inch steel door, the listed products do not include one: the steel option is 30 by 80 inches, while the four 24-by-80-inch choices are interior door slabs made from molded hollow-core material or natural spruce. The BARNSMITH slabs are best for a painted, hinged interior door; the SmartStandard is best for a sliding barn-door style. The National Door Company model is the steel choice, but its listed width is 30 inches.
| Product | Listed size | Best suited for |
|---|---|---|
| BARNSMITH 6-panel slab | 24 x 80 inches | Traditional painted interior door |
| BARNSMITH 2-panel slab | 24 x 80 inches | Simple paneled interior style |
| SmartStandard spruce barn door | 24 x 80 inches | Sliding interior door |
| BARNSMITH 1-panel slab | 24 x 80 inches | Minimal painted interior style |
| National Door Company steel door | 30 x 80 inches | Steel exterior-door alternative |
BARNSMITH 6-Panel Primed Slab
This 24-by-80-inch BARNSMITH slab has a raised six-panel design and a white primed surface intended for painting. Its molded hollow-core construction is described as lightweight and durable, making it a suitable option for a painted interior doorway where a traditional paneled look is wanted.
Best for: Buyers replacing an interior slab who want a classic six-panel appearance and plan to paint the door. It is selected because it matches the requested 24-by-80-inch dimensions.
Limitations: It is not steel. The slab has no predrilled knob, lock, or hinge holes; the frame and hinges are not included. Each side can be trimmed by up to 1/4 inch according to the listing.
BARNSMITH 2-Panel Primed Slab
The BARNSMITH two-panel door is a 24-by-80-inch molded hollow-core slab with a smooth, primed surface for DIY painting. Its restrained panel design provides a different look from the raised six-panel option while retaining the same listed size and 1 3/8-inch thickness.
Best for: Buyers who need a size-matched interior slab and prefer a simpler two-panel design. Choose this instead of the six-panel model if fewer panels better suit the room’s style.
Limitations: This is a molded interior door, not a steel door. Handle, lock, and hinge holes must be made during installation; frame and hinges are not included. The listing allows up to 1/4 inch of trimming per side.
SmartStandard Spruce Sliding Barn Door
This 24-by-80-inch interior door is made from natural spruce and supplied as a DIY panelled slab. The listing says it is predrilled for assembly, includes screws and instructions, can be flipped in either direction, and has a bottom groove for a floor guide. It is listed at 35 pounds.
Best for: Buyers seeking a sliding barn-door look in a 24-by-80-inch size. Choose it over the BARNSMITH slabs when a natural wood appearance and sliding installation are priorities.
Limitations: Sliding hardware is not included, and the product is wood, not steel. The manufacturer notes that small gaps can appear between boards after installation as part of its moisture-management approach.
BARNSMITH 1-Panel Primed Slab
This 24-by-80-inch BARNSMITH slab uses a single-panel design, molded hollow-core construction, and a white primed surface that is ready for painting. Its listed thickness is 1 3/8 inches, matching the other BARNSMITH slabs in this selection.
Best for: Buyers who want a clean, simple panel profile on a paint-ready interior slab. It is a size-matched alternative to the two- and six-panel designs.
Limitations: It is not made of steel and is not supplied as a complete prehung door. The listing says holes for hardware and hinges are not present, and the frame and hinges are not included.
National Door Company Steel Prehung Door
This is the steel option among the listed products: a primed, prehung, left-hand-outswing front door with a classic six-panel design. Its listed size is 30 by 80 inches, so it does not meet a 24-inch width requirement.
Best for: Buyers who prioritize a steel exterior door and can use a 30-inch-wide opening. It is included as the closest material match, not as a 24-by-80-inch substitute.
Limitations: Confirm the rough opening and required handing before purchase. The listing states that the door is not for commercial use and describes the 30-inch width.
Buying Guide: Choosing a 24 x 80 Door
Do you need steel or an exact 24-inch width?
Make material and opening size separate checks. The listed steel model is 30 inches wide, while the 24-inch products are interior slabs made from molded hollow-core material or spruce. If both steel construction and a 24-inch width are mandatory, none of these listings satisfies both requirements. Measure the opening and search specifically for a steel door in the required size.
Should you choose a slab or a prehung door?
A slab is the door panel alone. The BARNSMITH listings exclude the frame and hinges, and their hardware holes need to be drilled. A prehung door includes a frame arrangement, but the listed National Door Company model has a different width and swing direction. Verify what is included and whether the door’s handing suits the opening.
Which style and installation type fit the room?
Choose among the BARNSMITH panel profiles based on appearance: one, two, or six panels. The SmartStandard spruce option is intended for a sliding barn-door setup, but sliding hardware is not included. Check the room layout, clearance, and hardware needs before selecting a sliding door.
Frequently Asked Questions
Is there a 24 x 80 steel door in this selection?
No. The listed steel door is 30 by 80 inches. The 24-by-80-inch options are interior slabs made from molded hollow-core material or spruce.
Are the BARNSMITH doors complete with frames and hinges?
No. They are slabs; the listings say frames and hinges are not included. Hardware and hinge holes also need to be drilled.
Can the 24 x 80 BARNSMITH slabs be trimmed?
The listings state that each side can be trimmed by up to 1/4 inch. Check the product details and measure carefully before cutting.
Does the SmartStandard barn door include sliding hardware?
No. Its listing says sliding door hardware is not included, although screws and assembly instructions are included.