Smoke-Tech provides the absolute best smoke barrier protection and draft control available, and provides you with a high quality, functional, aesthetically pleasing opening. They are your assurance of conformance to the most recent Positive Pressure test for fire and smoke performance. Effective Smoke Seal - Life Safety: NFPA 105 smoke and draft control; BOCA code section 1015.0 smoke enclosures: UBC sec 1005.8, openings smoke and draft control. Fire Rated- 20 minute to 3 hour, UL or WH, meets National Fire codes; BOCA code section 717.0 fire doors; UBC section 713 fire doors, UL-10b, UL-10c, UBC-7-2 1997 "S" label. Broad Design Selection: Doors: Flush or embossed, decorative insulated, high or low usage, 18 or 16 gage, cold rolled or galvanized steel. Frames: Custom (SQW) or Custom Drywall (DQW) 18 or 16 gage steel Cold rolled or Galvanized steel KD or welded construction Sidelite or transom. Concealed Gasket maintains full clear opening with a vandal-proof gasket. Weatherstrip Foam filled compression gasket minimizes air infiltration, provides better, flexible seal. Applications: Room to corridor Cross corridor Communicating Elevator lobby Stair Enclosures Pressurized or Non-pressurized Areas of refuge Temperature control