The two doors not sealed off might buckle and jam.

The door, a sandwich of concrete within steel, buckled inward.

As his eyes adjusted, he saw that the door had buckled inward.

The door buckled in its frame, leaving a couple of centimetres' gap.

Suddenly the door shrieked and buckled, its metal peeling back like foil.

The door had buckled slightly and wasn't a firm fit any longer.

On the surface of the planet, the door to the computer room buckled under the steady pounding.

The door buckled in its frame, leaving an inch gap.

The door on the underside of the plane had buckled.

The door buckled outward and cracked down the middle but remained in place.