A piece of wood driven tightly into a hole or joint in a brick, block, or stone wall. Carpenters use these inserts to create a secure fastening point for attaching baseboards, furring strips, or cabinetry to masonry surfaces where standard nails would not hold.
Heard on the job
Drive a plug into that mortar joint so we have something solid to nail the baseboard to.
Also heard as
- wall plug
- wood plug