National Gypsum Construction Guide - 12th Edition

PRODUCT SPECIFICATION DIRECTORY
FOREWORD
This directory is designed to provide a convenient, up-to-date
reference to some of the products marketed by National
Gypsum Company, and to the ASTM and Federal
Specifications with which they comply.
The General Services Administration has cancelled many Federal
procurement documents. These have been superseded by
ASTM Specifications. Federal Specifications are listed for
reference.
GENERAL REFERENCE
For the key to Federal Specification, gypsum board and joint
treatment product designations (Type, Form, etc.), refer to
table on page 7.
This is to certify that the following materials comply in all
respects with listed specifications.
GYPSUM BOARD PRODUCTS Specification Standards
Product Description and Use ASTM Federal
Regular Gypsum Fire resistant. Will take decoration after proper C 1396 SS-L-30D Type III
Board or Sta-Smooth surface preparation of interior walls and ceilings.
XP Gypsum Board 1/2" (12.7 mm) gypsum board with a
moisture resistant gypsum core and mold/mildew
resistant purple paper. Will take decoration after
proper surface preparation of interior walls and ceilings.
C 1396 SS-L-30D Type III
Fire-Shield Gypsum 1/2" (12.7 mm) and 5/8" (15.9 mm) gypsum C 1396 SS-L-30D Type III
Board (Includes “C”) board with specially processed core highly
resistant to fire; type X core.
Type X Grade X
XP Fire-Shield Gypsum 1/2" (12.7 mm) and 5/8" (15.9 mm) gypsum C 1396 SS-L-30D Type III
Board (Includes “C”) board with a moisture resistant gypsum
core highly resistant to fire and mold/mildew
resistant purple paper; type X core.
Type X Grade X
SoundBreak 5/8" (15.9 mm) acoustically enhanced gypsum C 1396 SS-L-30D Type III
Gypsum Board board used in construction of high rated STC
assemblies.
Foil Back Gypsum Standard gypsum board with aluminum foil C 1396 SS-L-30D Type III
Board on backside providing vapor retarder for interior
walls and ceilings.
Form C
Fire-Shield Shaftliner 1" (25.4 mm) thick, 2' (610 mm) wide, for solid C 1396 SS-L-30D Type IV
(Includes XP) partitions, shaft walls and Area Separation Walls;
type X core.
Type X Grade X
Regular or Fire-Shield Gypsum board with extra resistance to C 1396 None
Exterior Soffit Board moisture and sagging used for exterior soffit. Type X
Gypsum Durasan Prefinished Gypsum board with a vinyl surface, combines C 1396 SS-L-30D Type III
Board Regular Gypsum Board texture and pattern in colors. No decoration required. Class 3
Durasan Prefinished Gypsum board with a vinyl surface, combines C 1396 SS-L-30D Type III
Fire-Shield Gypsum Board texture and pattern in colors; type X core. Type X Grade X Class 3
High Flex Gypsum Board 1/4" (6.4 mm) flexible gypsum board designed for
use in radius wall and ceiling construction.
C 1396 SS-L-30D Type III
High Strength 1/2" (12.7 mm) gypsum board with core formulated C 1396 SS-L-30D Type III
Ceiling Board to provide increased sag resistance.
Hi-Abuse XP Fire-Shield 5/8" (15.9 mm) gypsum board with heavy abrasion C 1396 SS-L-30D Type III
Gypsum Board resistant mold/mildew resistant purple paper and a
special core to provide greater resistance to surface
indentation; type X core.
Type X Grade X
Hi-Impact XP Fire-Shield 5/8" (15.9 mm) gypsum board with heavy C 1396 SS-L-30D Type III
Gypsum Board abrasion resistant mold/mildew resistant purple
paper and a special moisture resistant gypsum core
backed with reinforcing fiber glass mesh; type X core.
Type X Grade X
Gridstone Ceiling Panels 1/2" x 2' x 2' (12.7 mm x 610 mm x 610 mm) C 1396 None
1/2" x 2' x 4' (12.7 mm x 610 mm x 1219 mm) Type X, Class 1;
gird panels with Fire-Shield G type X core and E 1264, Type XX,
vinyl laminate. Patterns E, G
NATIONAL GYPSUM PRODUCT SPECIFICATION DIRECTORY
3
GENERAL
REFERENCE