2 ms·
A couple of possible reasons: one-way doors can have a solid frame, making them easier to secure; and they are better at sealing against weather.
by michaelhoney 5y ago
A couple of possible reasons: one-way doors can have a solid frame, making them easier to secure; and they are better at sealing against weather.
- tommoor 5y agoand fire. one way swing allows the frame to wrap around on one side – increasing fire resistence