I-9 Gypsum Board Ceiling :
1. Moisture resistant gypsum board to be complied with ASTM C1396M, Thk.=16mm, tapered edge
2. Gypsum board should be painted and please refer to D-1 and D-3 for painting requirement.
3. Framing system shall be matched with the standard method of the approved manufacturer.
4. Access door and frame should be provided as described below.
- Flush access door with concealed flanges shall be used.
- Frame with gypsum board beads for concealed flange installation shall be provided.
- Heavy-duty aluminum or stainless steel hinges and stainless steel slam latch shall be provided.