Why are Interior Door Plates 2.5" Wide?
Interior door plates come in a variety of widths, and the most common width for interior doors is 2.5 inches. But why is this standard size so popular? In order to understand why this width works so well, it's important to understand a few basic concepts about door openings and frames.
Door Openings & Frames
Standard door openings need to be wide enough to accommodate the
door plate
, the trim, and the door itself. Generally, an average door opening will measure 31-33 inches wide. The door plate, which is actually the jamb, must fit inside this opening. This means that the door plate must come in a width that won't exceed the opening. That's why 2.5 inches is the standard; the opening is still wide enough to accommodate the plate, trims, and the door itself. Ultimately, the width of the plate will depend on the door manufacturer.
Installation & Replacement
Not only are interior door plates 2.5 inches wide to accommodate the door opening, but this width also helps with installation and replacement of the door plate. That's because this width makes it easier for carpenters and remodelers to cut and install the door plate to the wall. It's easier to cut a 2.5 inch piece than a wider one, and having a smaller door plate also helps with dry-fit installation. This size allows a slight 'play' in the door plate, which further assists in the installation process.
Conclusion
Interior door plates 2.5 inches wide is a common size for interior door openings because it fits comfortably inside the opening, is easier to install, and meets the needs of most interior doors. Whether you're remodeling your home or just replacing pieces of the existing door, this size should fit your needs.
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Why are Interior Door Plates 2.5" Wide?
Interior door plates come in a variety of widths, and the most common width for interior doors is 2.5 inches. But why is this standard size so popular? In order to understand why this width works so well, it's important to understand a few basic concepts about door openings and frames.
Door Openings & Frames
Standard door openings need to be wide enough to accommodate the
door plate
, the trim, and the door itself. Generally, an average door opening will measure 31-33 inches wide. The door plate, which is actually the jamb, must fit inside this opening. This means that the door plate must come in a width that won't exceed the opening. That's why 2.5 inches is the standard; the opening is still wide enough to accommodate the plate, trims, and the door itself. Ultimately, the width of the plate will depend on the door manufacturer.
Installation & Replacement
Not only are interior door plates 2.5 inches wide to accommodate the door opening, but this width also helps with installation and replacement of the door plate. That's because this width makes it easier for carpenters and remodelers to cut and install the door plate to the wall. It's easier to cut a 2.5 inch piece than a wider one, and having a smaller door plate also helps with dry-fit installation. This size allows a slight 'play' in the door plate, which further assists in the installation process.
Conclusion
Interior door plates 2.5 inches wide is a common size for interior door openings because it fits comfortably inside the opening, is easier to install, and meets the needs of most interior doors. Whether you're remodeling your home or just replacing pieces of the existing door, this size should fit your needs.
