Some butt hinges have to be mortised into place, which requires a door with a solid wood edge; unfortunately, this type of hinge is very weak.

Question

Quizplus · Accepted Answer

This statement is incorrect. Butt hinges that require mortising into the door are actually very strong when installed correctly. The mortise provides a strong and sturdy fit for the hinge, making it less likely to fail. However, these types of hinges do require a solid wood edge in order to be installed properly.

Some Butt Hinges Have to Be Mortised into Place, Which