This 730S series automatic door bottom is known as stock number : 051857. When applied to the surface it will provide smoke protection where pressurization is provided to re- strict smoke movement. Hager 730S 36" Automatic Door Bottom Stock No 051857 comes in 1 single length section that is 36 inches long with a mil aluminum finish.
- Furnished exact length as stated
- Furnished with mortise types and surface mount types
- DBA/GLD end caps available on MIL finish
- Gasket retracts when door is opened
- Provides an outstanding seal against drafts, light, smoke and sound