Non-Rated, Flush       NT: 1" Flange         NW: Drywall Flange         NP: Plaster Flange         Non-Rated, Flush, Security       MT: 1" Flange, 12ga         MW: Drywall Flange, 12ga         MP: Plaster Flange, 12ga         HS: High Security, 10ga         TS: Top Security, 7ga         Fire-Rated, Insulated       IT: 1" Flange         IW: Drywall Flange         IP: Plaster Flange         Fire-Rated, Insulated, Security       ST: 1" Flange         SW: Drywall Flange         SP: Plaster Flange         Fire-Rated, Uninsulated       UT: 1" Flange         UW: Drywall Flange         UP: Plaster Flange         Exterior Panels       XT: 1¼" Flange         Recessed Panels       RA: No Flange         RW: Drywall Flange         RP: Plaster Flange         Specialty Panels       FRD: Oversized Fire Rated         FRU: Upward Opening, Fire Rated         DTK: Draft Stop         PL: Plastic         LW: Light Weight, Insulated   Description Sizes Options Technical Specs CSI Specs CAD Drawings Nystrom DTK Series self closing, self latching access panels provide access through draft stops in attic spaces. They prevent back draft from one section of an attic to another. This standard non-rated access door is self-closing and allows for access from both sides of the door.   D:\Sites\LocalUser\nystrom\content\0042.htm      © 2005 Nystrom