Doors are one of the most important features of any home or structure. They are available in a nearly infinite variety of styles and types. One of the most common mistakes made, whether due to economics or lack of knowledge, is using interior doors for exterior applications.

Exterior Doors

Exterior doors are designed to act as a weather shield or seal; keeping outside elements such as cold and moisture from entering the structure. Normally, an entrance to a structure will have a set of two doors; a storm or screen door, and a heavy exterior door. Storm doors are usually glass with a metal or wood frame; sometimes with screen inserts.

Exterior doors have a hardy solid-core wood construction, or solid metal “security” construction. In some instances a heavy exterior door will suffice, without a storm door. An example would be the outside entrance to an apartment or motel room.

Interior Doors

Interior doors are designed for just that. Use for inside the structure, as entrances into rooms such as bedrooms, bathrooms, etc. They typically have a light duty “hollow core” construction. These doors are not designed to insulate or keep out weather elements. Nor are they designed for home security purposes. Their intended use is as partitions; to separate one room from other common areas of a structure, and to provide privacy.

Some interior doors may include a locking doorknob, meant more for privacy than security. Interior doors are usually covered with a thin decorative wood veneer, such as mahogany, oak, maple, or birch. Which if exposed to outdoor elements will quickly de-laminate, splinter, and break down.

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