To measure a patio door, measure the width and height of the door opening from the inside, ensuring the measurements are accurate for fitting a new door or replacement glass.

Accurate measurements are crucial when installing a new patio door. Measure the width and height of the door opening, accounting for the frame and any molding. Properly sized doors ensure a secure fit, better energy efficiency, and easier installation. Professional installers can ensure your measurements are precise for a perfect fit.