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Interior doors

“Interior doors” refers to doors installed inside a building to separate rooms and spaces. They are commonly used for privacy, sound control, and defining areas such as bedrooms, bathrooms, closets, hallways, and offices. Interior doors can be solid or hollow-core, and they may be hinged, sliding, or pocket-style depen

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  1. Interior doors (en-US)

    “Interior doors” refers to doors installed inside a building to separate rooms and spaces. They are commonly used for privacy, sound control, and defining areas such as bedrooms, bathrooms, closets, hallways, and offices. Interior doors can be solid or hollow-core, and they may be hinged, sliding, or pocket-style depending on space and design needs.

  2. Common types

    In en-US, you’ll often see terms like “hinged interior door” (swinging door), “sliding interior door” (tracks on the wall or ceiling), and “bifold interior door” (folding panels). For bathrooms, you may also see “interior bathroom door” or “privacy door,” which typically includes a lock or latch for privacy.

  3. Related terms you might see

    Other related phrases include “interior door slab” (the door panel without frame), “prehung interior door” (door with frame and hinges installed), “door trim/molding,” and “door hardware” (knobs, levers, hinges, and latches).

FAQ

What’s the difference between an interior door and an exterior door?

Interior doors are for indoor spaces and typically don’t need weatherproofing, while exterior doors are designed to resist weather and provide security.

Are interior doors fire-rated?

Some interior doors are “fire-rated” for safety, but that depends on building codes and the specific product.

What does “prehung” mean for an interior door?

A prehung door comes installed on its frame with hinges attached, making it easier to replace than a door slab alone.

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