Skip to content
Make room for the right door.
Your opening, frame and swing all matter. Gather the measurements, then confirm the exact model before you order.
Masonite
Masonite Traditional 42-in x 84-in 3-Panel Primed MDF Single Barn Door
$682.85 USD
Price for the selected option. Shipping and taxes calculated at checkout.
SKU 857769
Available to add to an order request
Inventory, specifications and delivery timing are confirmed after review.
Saved on this device. Saving does not reserve stock or lock in a price.
What to measure before ordering
- Identify what you are replacing.
A slab is the door panel. A prehung unit includes a frame. Record whether you need a slab or a complete unit, and check exactly what the selected product includes.
- Measure the opening and the frame.
Record the width and height in several places, plus the wall or jamb depth. Keep rough-opening measurements separate from the existing door's dimensions. Include the units with every measurement.
- Confirm the swing and the exact model.
Note which side the hinges sit on, the side you are viewing from, and whether the door swings toward or away from you. Confirm handing terminology and required clearances against the manufacturer's documentation for the selected SKU.
These notes are a planning aid. Product names, photos and shared descriptions do not confirm fit. Check the selected SKU, manufacturer specifications and installer measurements before ordering.
Ask the Super Arbor teamProduct details
Catalog information may describe more than one option. Confirm the specifications for your selected SKU; the store's current shipping, returns and order terms apply.
42-in x 84-in 3-Panel Primed MDF Barn Door Slab
This Masonite interior barn door features a clean 3-panel design in primed MDF, ready for paint to match any décor. The solid-core construction provides durability and sound reduction, while the slab-only format lets you choose the hardware style you prefer.
Key Features:
- Solid Core Construction: Durable MDF with solid core helps reduce sound and resist warping
- Paint-Ready Finish: Smooth primed surface arrives unfinished and ready to paint
- Space-Saving Style: Sliding barn door design ideal for closets, offices, and tight areas
- Slab Only: Track and hardware sold separately for custom hardware selection
- Trim-to-Fit Allowance: Up to 2 in off bottom and 1/2 in total off width within warranty limits
Specifications Table:
| Specification | Details |
|---|---|
| Common Size (W x H) | 42-in x 84-in |
| Actual Width | 42.0 in |
| Actual Height | 84.0 in |
| Door Thickness | 1.375 in |
| Material | Wood (MDF), solid core |
| Color/Finish Family | White |
| Manufacturer Color/Finish | Primed |
| Door Finish | Unfinished (primed, paint-ready) |
| Door Surface | Smooth |
| Panel Type | 3-panel |
| Configuration | Single |
| Bypass | Yes |
| Handing | Universal |
| Hardware Included | No |
| Soft Close | No |
| Assembly Required | No |
| Trimming Allowance | Height: up to 2 in (bottom rail only); Width: up to 1/2 in total (1/4 in each side) |
| Finish or Rough Opening Height | 80.0 in |
| Finish or Rough Opening Width | 38.0 in |
| Warranty | 1-year limited |
| CA Residents: Prop 65 Warning(s) | Yes |
| Weight | 64 lb |
| UNSPSC | 30171500 |
Frequently Asked Questions (FAQ):
Q: Is hardware included?
A: No. This listing is for the door slab only; track and hardware are sold separately.
Q: Can the door be trimmed?
A: Yes. Up to 2 in from the bottom and 1/2 in total from the width (1/4 in per side). Trimming beyond this voids the warranty.
Q: What are the exact dimensions and thickness?
A: Actual size is 42 in W x 84 in H x 1.375 in thick.
Q: Is the surface smooth or textured?
A: The door has a smooth surface with a 3-panel design.
Q: What warranty is provided?
A: It includes a 1-year limited warranty.
Crisp Modern Lines, Effortless Flow
This three-panel barn door brings tailored geometry to your interiors, creating a graceful transition between rooms. Its smooth primed surface becomes a canvas—paint it moody charcoal or soft alabaster to anchor your palette. Pair with sleek brushed hardware and a minimalist track for a gallery-like statement. It’s a chic essential that elevates everyday living with quiet luxury.
Bring streamlined style and space-saving function to your home—add this Masonite 3-panel barn door to your cart today.