Building mix: south-east apartment corridors with AC ledges, service ducts, drying corners, and slider tracks
Outdoor conditions: Near Hosa Road, bangalore dust, shaded ledges, dry balcony corners, and seasonal rain make droppings stick harder when the sitting point stays open. So material and access are measured together.
Common layout cue: For Hosa Road owners, common looks at include balcony front, side return, AC platform, window shade, pipe pocket, and upper beam. Photos help judge height, access, and fixing surface before visit planning.