N.Y.C. Admin. Code § BC 2506: Section BC 2506: Gypsum Board and Gypsum Panel Product Materials

2506.1 General.

Gypsum board, gypsum panel products and accessories shall be identified by the manufacturer's designation to indicate compliance with the appropriate standards referenced in this section and stored to protect such materials from the weather.

2506.2 Standards.

Gypsum board and gypsum panel products shall conform to the appropriate standards listed in Table 2506.2 and Chapter 35 and, where required for fire protection, shall conform to the provisions of Chapter 7.

Table 2506.2 Gypsum Board and Gypsum Panel Products Materials and Accessories

Material

Standard 

Abuse resistant non-decorated interior gypsum panel products and fiber-reinforced cement panels

ASTM C 1629

Accessories for gypsum board

ASTM C 1047

Adhesives for fastening gypsum wallboard

ASTM C 557

Cold-formed steel studs and track, structural

AISI S200 and ASTM C 955, Section 8

Cold-formed steel studs and track, nonstructural

AISI S220 and ASTM C 645, Section 10

Elastomeric joint sealants

ASTM C 920

Fiber-reinforced gypsum panels

ASTM C 1278

Glass mat gypsum backing panel

ASTM C 1178

Glass mat gypsum panel 5

ASTM C 1658

Glass mat gypsum substrate

ASTM C 1177

Joint reinforcing tape and compound

ASTM C 474; C 475

Nails for gypsum boards

ASTM C 514, F 547, F 1667

Steel screws

ASTM C 954; C 1002

Standard specification for gypsum board

ASTM C 1396

Testing gypsum and gypsum products

ASTM C 22; C 472; C 473

2506.2.1 Other materials.

Metal suspension systems for acoustical and lay-in panel ceilings shall conform with Section 808.1.

2506.3 Mold resistance.

Gypsum board or cement board, used in an assembly for the following areas, shall have a mold resistance rating of 10 in accordance with ASTM D 3273:

1. Interior faces of exterior walls of basements, cellars, and other below grade rooms.

2. Walls and ceilings of spaces containing condensers, water tanks, water pumps, and pressure reduction valves.

3. Walls and ceilings of laundry rooms.

4. Portions of walls within 2 feet (610 mm) of kitchen sinks to a height of 4 feet (1219 mm) above the floor.

5. Portions of walls within 2 feet (610 mm) of kitchen stoves to a height of 4 feet (1219 mm) above the floor.

6. Walls of bathrooms that are not solely water closet compartments, other than walls specifically required to be cement board.

7. Walls and ceilings in service sink closets.

8. Portions of walls within 2 feet (610 mm) of mop sinks or service sinks to a height of 4 feet (1219 mm) above the floor.