What are the major types of interior doors used in residential construction?

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There are different types of doors used in constructing works categorized based upon placing of components, method of building, working operations and building material utilized. A door is an accessible barrier which is supplied in a wall opening to offer an access to the inside of a space of a structure. The internal parts of a structure are connected by doors.

Interior Door Buying Guide

Interior Door

Whether you’re replacing worn or damaged doors, redesigning or wanting to enhance the inside of your house, a brand-new interior door uses a rejuvenating change. Let our guide help you choose the best interior door to match your decoration.

Things to Know Before You Buy

door buying

Before buying a brand-new interior door, there are a couple of things you need to bear in mind.

Door Type

There are 2 kinds of interior doors: pre-hung and slab.

A pre-hung door, that includes a frame-mounted door and hinges, is ready to use and set up with a ready doorway.

A slab door is standard; it’s simply the door and doesn’t consist of a frame, hinges or manage set. Piece doors come unfinished (implying they require painting or staining) or ended up and ready to hang.


Door measurements and openings are particularly important when installing or replacing an interior door. When changing an existing door with a pre-hung door, select a door that has the exact same dimensions as the existing one.

Requirement widths for interior doors are 24, 28, 30, 32 and 36 inches, while the height must be a minimum of 80 inches. For a piece door, determine the width, height and density of the door. For a pre-hung door, determine the width and height of the piece, the rough opening (area in between the studs without any door set up), and the thickness of the jamb.


Handing, or door swing, is important for positioning and door hardware. If the hinges are on the left side of the door, you have a left-handed door.

For suggestions on setting up or changing an interior door, visit Install or Replace Interior Doors

Door Styles

Interior doors are readily available in a range of styles, giving you the alternative of enhancing every room in your house.



Barn doors are a fresh method to separate rooms, while offering an artisan style to any space. Some barn doors glide along an upper rail, and others have a bottom track to prevent the door from swinging. Barn doors range from rustic to polished and come incomplete or prefinished in a range of designs.

We also provide a kit to convert most doors into a barn door.

Required help? Enjoy our video: How to Size and Hang a Sliding Door.

Barn door hardware has a variety of surfaces and accessories. Both top- and side-mount hardware are offered. Mounting hardware sets are all-in-one for a single door application.



A pocket door is a sliding door that tucks into the wall and conceals from view when opened. It’s a terrific door when space is at a premium, and there’s no room for the swing arc of a door. Depending upon the entry width, single or double doors can be used.



Accordion doors fold in sections along a track with wheels when opened. They work well as room dividers, closet doors and utility room doors.



French doors have numerous lites (panes of glass) throughout the length of the door that provide very little privacy, while allowing light to filter in from adjoining spaces. They’re generally positioned in a side-by-side pair, with each door opening far from the other. They’re a timeless style and bring a touch of elegance to any space.



When opened, bifold doors are hinged with symmetrical door panels that fold external and to the side as a set. Numerous bifold doors are louvered, enabling better air circulation than traditional doors. Bifold doors do not swing and take up less area than a hinged door, making them a fantastic option for closets, utility room, utility rooms or room dividers.



Bypass doors have two or more areas that move on a parallel track in either instructions. They’re designed to move previous one another and are useful as closet doors.



Saloon/caf é doors define your area in a whimsical method without shutting off the area. These are offered in a selection of style styles and sizes, consisting of full-length, and include hardware for setup.

Door End up.

The surface you choose on your brand-new door depends upon the time and money you’re willing to put into the process.


Primed doors are prepped with a finishing that seals the wood and makes it much easier for the stain or paint to adhere.


A stained door boosts the natural wood pattern and produces an even color tone, allowing the natural wood to shine through. Spots come in a range of shades from lights, such as honey maple or white oak, to darks, like black or espresso.


A prefinished door is prepared and factory-finished for setup. It’s been stained or painted with precut door knob holes and hinge screw holes. All you need to do is install it.


Incomplete doors are a blank slate and need more work than prefinished doors. They’re presanded however not stained or painted. Interior doors are offered in a variety of styles, offering you the alternative of improving every space in your house.


Molded Composite.

Molded composite is an affordable, manufactured item made with a wood-based substance. It’s crafted to have the look and feel of genuine wood. Upkeep on composite doors is pain-free; they will not fade over time and never require painting.


Wood is offered in different species with various appearances and qualities.

Wood Species.

  • Wood refers to trees that are blooming plants (as opposed to softwood, which are cone-bearing trees) and does not describe the tree’s solidity.
  • Knotty alder is a versatile, small-knotted, somewhat soft hardwood types with an abundant tone and rustic feel. When stained and lacquered, its consistent texture and straight grain look great.
  • Knotty pine is a lightweight wood with a fine texture, straight grain and little, tight knots. When painted, the knots will bleed through in time, so make certain to seal the knots prior to painting.
  • Lauan is a tropical types of wood that originates from Southeast Asia and is utilized to make plywood.
  • Oak, the most extensively utilized wood, is strong and durable. It’s light-colored with popular rings.
  • Pine is a straight-grained softwood that comes in over 100 types. It’s lightweight and resists shrinking and swelling.

Engineered Wood.

Engineered wood materials, such as medium-density fiberboard (MDF) and hardboard, are lasting and resilient.


Polyvinyl chloride (PVC) doors are durable, as well as water- and fire-resistant. They can be found in a variety of colors to boost any design.

Core Type.

Hollow core doors are lightweight, affordable, simple to install and a popular choice for numerous property owners. Their flexibility makes them perfect for bathrooms, closets and bed rooms; however, they do not use high-quality sound blocking and have little fire resistance.

Cutting hollow core doors can be difficult since they aren’t really hollow. Inside is a foam or cardboard core. Procedure the amount to trim, use an energy and line up knife to score with a straight edge. Clamp a straight edge cutting guide to the door, and cover the score with masking tape all the way around the door to assist avoid cracking. Cut with a power saw.

Solid core doors are sturdier, much heavier and offer better soundproofing than hollow core. They’re much better insulated, provide the appearance, feel and sturdiness of solid wood without the expense and provide great fire resistance.


When trimming a hollow core door, cut at the bottom and no more than 1-1/2 inches.

Flush or Panel.

Interior doors are categorized as either flush or panel and both have their benefits.



Wood-veneered flush doors include plain, flat facings on either side of the door. They’re strong or hollow core and produce clean, sophisticated lines to complement the décor.



Panel doors, a decorative and popular choice, feature stiles (vertical frame elements) and rails (horizontal frame aspects) with flat panels positioned in between them. Six-panel doors are classic, however two- and three-panel doors are also readily available.

Split Jamb.

Split Jamb

Split jambs come in 2 lengthwise pieces with housings attached. They make it simple to install a door, even when the wall thickness isn’t basic.

Flat Jamb.

Flat Jamb

Flat jambs consist of a standard one-piece jamb.

Door Hardware.

Door Hardware

When it concerns door hardware, you have numerous options, from the surface to hinges to knobs to locks and more. Ornamental non turning dummy knobs and manages are an ideal option if your door doesn’t require locking and uses a push/pull function. For doors that do not require locking performance, such as pantry, closet or corridor doors, passage door knobs are simple to come and set up in a selection of finishes and styles.

If the hinges are on the left side of the door, you have a left-handed door. A pocket door is a moving door that tucks into the wall and hides from view when opened. French doors have multiple lites (panes of glass) throughout the length of the door that provide minimal personal privacy, while permitting light to filter in from adjacent rooms. Secure a straight edge cutting guide to the door, and cover the rating with masking tape all the way around the door to help prevent breaking. For doors that don’t need locking functionality, such as pantry, closet or corridor doors, passage door knobs are simple to install and come in a range of designs and finishes.

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