Deadbolts

- ANSI/BHMA Grade 1 or 2
- 1″ throw
Security is layers: good locks and doors, light, visibility, then cameras and alarms. None of it may block the way out in a fire.
Most break-ins come through doors. A strong door is only as strong as its frame and screws.

The rest of Security: 1 more spread, 6 drawings, plus every other chapter, is part of the full fieldbook.
One payment, lifetime access. Kitchen, Bathroom and Stairs are free to read.