Installing a new door can be a relatively simple DIY project, but it's important to properly frame the opening to ensure a secure and properly fitting door. This article will provide tips and information on how to properly frame a new door for installation.

Before starting the project, it's important to measure the rough opening accurately. The rough opening should be at least 2 inches wider and 2 inches taller than the door itself. This allows for proper shimming and insulation.

Here are some common mistakes that people make when installing a new door:

1. Improper measurement: If the rough opening is not properly measured, the door may not fit correctly, which can result in gaps, leaks, or difficulty opening and closing the door.
2. Skipping the header: A header is critical in supporting the weight of the wall above the door, and if it's not installed properly, it can cause structural problems or cause the door to bind or stick.
3. Neglecting shimming: Shimming is necessary to level the rough opening and ensure a proper fit for the door. Without proper shimming, the door may not close or latch properly, or gaps may appear around the door.
4. Using insufficient hardware: Failing to use the proper hardware, such as hinges, screws, and latch mechanisms, can result in a door that's not secure or stable.
5. Not installing weatherstripping: Weatherstripping is critical in preventing drafts and air leaks, and neglecting to install it can result in energy waste and increased heating and cooling costs.
6. Not checking for square: If the rough opening is not square, the door will not fit correctly and may cause problems with opening and closing the door.
7. Improper installation of the rough sill: The rough sill helps prevent drafts and moisture from entering the opening, and if it's not installed correctly, it can result in leaks and energy waste.

By avoiding these common mistakes, you can ensure that your new door is properly installed, secure, and functioning correctly. If you're not confident in your ability to install a new door, consider hiring a professional to handle the job for you. They will have the experience and tools to get the job done right.

With that, generally there are a few key pieces of the puzzle to know:

1. Measure the rough opening: Make sure to measure the rough opening accurately and double-check your measurements before cutting any studs.
2. Install king and jack studs: King and jack studs provide support for the header and should be installed on either side of the rough opening.
3. Install header: The header sits above the rough opening and supports the weight of the wall above the door. Make sure to use enough nails or screws to secure it in place.
4. Shim and secure the trimmer studs: Trimmer studs provide support for the header and should be shimmed and secured in place to ensure a level opening.
5. Install cripple studs: Cripple studs provide support for the header and should be installed above the trimmer studs.
6. Install the rough sill: The rough sill sits at the bottom of the rough opening and helps to prevent drafts and moisture from entering the opening.
7. Check for plumb and square: Before installing the door, check the opening to make sure it's plumb and square. If the opening is not level, shimming may be necessary to ensure a proper fit.

By following these tips and properly framing the opening, you can ensure a secure and properly fitting door for your home. If you're not confident in your ability to frame a new door, consider hiring a professional to handle the job for you. They will have the experience and tools to get the job done right.