Rolling products have the distinct advantage of being installed on self-supporting steel tubes secured to ceiling joists and the concrete slab, allowing the installation to be the first item completed on the project.
| A | Clear Opening Dimension | H | Support Tube |
| B | Between Tube Dimension | I | Guide |
| C | Bracket Plate | J | Curtain |
| D | Barrel | K | Bottom Bar |
| E | Shaft | L | Ceiling Height/Stop Height |
| F | Barrel Ring | M | Height to Bracket Plate Bottom |
| G | Stop | N | Center Locking Bottom Bar |