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Slab Doors
Slab Doors are just the panel itself, perfect for projects where you want to reuse an existing frame or customize every detail, from hinges to handle placement. - Buying Guide.
About Slab Doors
An interior slab door is a single door panel without a frame, hinges, or other door hardware. It is an essential component of the door that needs to be installed into an existing or custom-built door frame. They are customizable and less expensive than doors that come with the frame and hardware.
These doors are perfect if you have an existing door frame and you want to refresh the look of your space, while maintaining control over finishes and hardware choices. These doors can offer great flexibility, but they require more careful installation or customization work.
Key Measurements You Must Know
To ensure your slab door fits perfectly, these measurements are essential:
Height & Width - Standard door sizes are typically 80” in height, while common widths include 24”, 28”, 30”, 32”, and 36”.
Thickness - Most interior doors are 1¾” thick, but some may be 1⅜”, which is common for solid wood or high-end doors.
Hing and Bore Placement - If you want to use old hardware, measure the exact hinge positions and lock bore sizes.
Swing Direction - Stand facing the side where the door wings toward you. If the handle is on your right, it’s right-handed; on the left, it’s left-handed.
Key Characteristics You Must Know
Before purchasing a slab door, it's important to consider several key characteristics such as its material, size, and finish.
Material Types
Hollow Core - Lightweight, low-cost material designed for areas like closets and low-traffic areas.
Solid Core (MDF or composite) - Stronger, better sound insulation than hollow core, can be used in higher traffic areas.
Solid Wood - Classic look, longer-lasting premium feel, and perfect sound insulation.
Design Styles & Interior Aesthetics
To match your door style to your interior aesthetics, consider the overall style and theme that you want to achieve. Factors such as the room size and purpose of the door should also be considered.
Flush / Flat - A door with a flat surface on both sides. It offers a smooth and modern aesthetic look, without any raised panels.
Panel Designs - A door that has panels, which are sections of the door between the frame elements. These tires can include 2,4,5, and 6 panels and even a single-panel design.
Glass Panels/ French Doors - A door that is made of wood, but incorporates glass panes in its design.
Barn Door Slabs - An interior door slab that is designed to slide horizontally along the track on the wall. It’s a door panel without a frame or hinges.
Finish Surface Options
Unfinished - Doors of raw wood whose surfaces require sanding, priming, and painting.
Primed - Doors with a base coat of primer, which is ready for the final paint application.
Pre-Finished - Doors that are factory-finished and ready for installation.
Hardware Compatibility & Customization
Since slab doors arrive undrilled and uncut, follow these steps:
1. Cut hinge mortises to fit your door frame.
2. Drill the handle and lockset bores (standard sizes are 2 ⅛” for the bore and a 2 ¾” backset).
3. Check alignment of the strike plate and the latch for adjustments
Choose custom hardware finishes like matte black, polished chrome, or brass to match your home's style.
Soundproofing, Insulation & Privacy Factors
Hollow core - Lightweight with a honeycomb interior; offers poor sound blocking.
Solid core - Heavier and denser, providing better sound insulation.
Solid wood - Excellent soundproofing due to density, but more susceptible to moisture.
Slab door material, style, and glass elements influence the level of privacy that a door provides. For example, solid core doors offer better sound insulation and privacy compared to hollow core doors, while door styles with glass inserts minimize privacy.
Moisture, Climate & Environmental Suitability
Some rooms and places need a moisture-resistant interior door. Hollow core, solid core, and solid wood doors significantly differ in their moisture and climate resistance.
Hollow core - These doors are not moisture resistant. Their lightweight construction makes them less suitable for areas with high humidity or moisture.
Solid core - These doors are more resistant to moisture and temperature changes, thanks to the wood core.
Solid wood - These doors have a tendency to develop with moisture and temperature fluctuations. They require special care to prevent warping and cracking.
If you are living in areas with a humid climate and temperature changes, prioritize solid core or solid wood doors with moisture-resistant finishes.
Trimming, Cutting & Custom Fit Guidelines
It is important to follow recommended guidelines when trimming and cutting interior slab doors to avoid damage and maintain the correct structure.
Hollow core - Trim no more than ¼” from the sides or 1-½” from the bottom. Cutting is tricky due to the cardboard core.
Solid core - Can be trimmed more than hollow core doors, but consult the manufacturer.
Solid wood - Trims easily but requires careful planning. Use a fine-tooth saw for clean cuts.
Always check the manufacturer’s guidelines before cutting or trimming, measure twice, and use masking tape for protection.
Maintenance, Durability & Longevity
Different interior slab doors need different maintenance due to their durability, which affects their longevity.
Hollow core - These doors are light and easy to clean, but prone to punctures.
Solid core - These doors need occasional touch-up of painted surfaces, but they are more resistant to impacts.
Solid wood - These doors require periodic maintenance to ensure their longevity.
Consider the wear and tear in your household when choosing a door.
Budget Planning & Cost Breakdown
Take a look at the approximate cost range of different interior door slabs.
Hollow core - Lightweight and affordable doors, ranging from $50 to $150.
Solid core - More durable, with better sound insulation, costing $150 to $500.
Solid wood - The most durable option, priced around $300 to $800+.
Material prices vary, and installation costs depend on the project’s complexity and labor rates. Don’t forget to include hardware in your budget since it also adds to the overall cost.
Common Mistakes & How to Avoid Them
Failing to properly measure a door frame and guessing its measurements can lead to many problems. Choosing the wrong door type, like hollow-core doors in high-traffic areas, can affect durability and privacy. Pay attention to swing direction and hinge placement, as cutting too much off the door can result in a poor fit. Using the wrong paint or stain may cause premature damage, and hidden costs like hardware can impact your budget. Incorrect installation, especially with panel doors, can lead to further complications.
Transform your home with the perfect door. Whether remodeling one room or your entire home, explore our wide selection of customizable interior slab doors to match your style and budget.
DIY Installation vs. Professional Help
DIY if you’re experienced with measuring, cutting, and mounting doors, especially hollow core or flush styles. However, hiring a professional installer results in more precise cuts and custom modifications.
