Standard thickness for interior doors are?

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Standard thickness for interior doors are?

Interior doors in most homes are manufactured to a thickness of 1 3/8 inches. This size fits standard door frames, hinges, and hardware, making replacement and installation straightforward without changing the jamb or trim. It provides a good balance of strength, weight, and cost for typical interior doors. Thicker doors, such as 1 3/4 inch, are usually solid-core or premium doors that require different frames and hardware. Thinner options, like 1 1/4 inch or 1 1/2 inch, are not the common stock thickness and are used only in specific situations. Therefore, the most common and broadly compatible choice is 1 3/8 inches.

Interior doors in most homes are manufactured to a thickness of 1 3/8 inches. This size fits standard door frames, hinges, and hardware, making replacement and installation straightforward without changing the jamb or trim. It provides a good balance of strength, weight, and cost for typical interior doors. Thicker doors, such as 1 3/4 inch, are usually solid-core or premium doors that require different frames and hardware. Thinner options, like 1 1/4 inch or 1 1/2 inch, are not the common stock thickness and are used only in specific situations. Therefore, the most common and broadly compatible choice is 1 3/8 inches.

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