Tools and Materials

Tools

Materials

How to Measure for a Prehung Interior Door

Precise measurements for prehung interior doors are crucial when you are building a new space or renovating an existing one. You should have no trouble installing a prehung door if you follow these steps.

Make sure to measure the top, center, and bottom of the door when determining the width of the door frame opening. This can help you get accurate results and account for unevenness in the frame's alignment. Keeping it level, extend a tape measure from one end of the frame to the other. Make sure you accurately record every measurement. Door width requirements are based on the shortest documented width of the three.

Every corner of the door frame opening should be 90 degrees. This is important to ensure proper installation of a prehung door. This step requires a carpenter's square. Place a square in each of the opening's corners. Verify that its edges line up correctly with the edges of the frame.

To precisely assess the squareness and make the necessary adjustments, measure the angles of the corners.

Tip

If the frame is not square, you may need to adjust its alignment with shims.

Based on your measurements and swing direction preference, choose a prehung door that matches your requirements. Check if the prehung interior door’s dimensions, handling and swing direction align with your measurements and preferences.

By carefully following these steps, your prehung interior door’s size will be accurate, leading to a smooth installation process.

Good to Know

Remember to check for any warping in the door frame, as this can affect the fit. Also, consider using a level during installation to maintain proper alignment.

How to Measure a Prehung Interior Door

Tools and Materials

Tools

Materials

How to Measure for a Prehung Interior Door

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