It’s a architectural door sign symbol with value and value in a MM and this sign is a different -different doors types. it’s a valuable for your building plan.
Lintel details windows and
Door installation details
Simple wooden door design
Double door elevation dwg
Window elevation detail dr
Heavy detailing of a windo
Door plan detail dwg.
Door And Window Schedule D
Door framing plan and elev
Types of window elevation
Door section detail