ASTM C1467/C1467M-00
(Specification)Standard Specification for the Installation of Molded Glass Fiber Reinforced Gypsum Parts
Standard Specification for the Installation of Molded Glass Fiber Reinforced Gypsum Parts
SCOPE
1.1 This specification covers the installation of molded glass fiber reinforced gypsum (GRG) parts.
1.2 The values stated in either inch-pound units or SI (metric) are to be regarded separately as the standard. Within the text, SI units are shown in brackets. The values stated in each shall be used independent of the other. Values from the two systems shall not be combined.
1.3 All references to finishes, dimensions and tolerances shall refer to the finished surface of the part.
1.4 The text of this standard references notes and footnotes that provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.
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Designation: C 1467/C 1467M – 00
Standard Specification for
the Installation of Molded Glass Fiber Reinforced Gypsum
Parts
This standard is issued under the fixed designation C 1467/C 1467M; the number immediately following the designation indicates the
year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last
reapproval. A superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope 3.2.2 primer, n—paint material formulated to fill the pores
and equalize the suction difference between the GRG part and
1.1 Thisspecificationcoverstheinstallationofmoldedglass
finishing compounds used.
fiber reinforced gypsum (GRG) parts.
1.2 The values stated in either inch-pound units or SI
4. Materials
(metric) are to be regarded separately as the standard. Within
4.1 Molded GRG parts shall meet the requirements of
the text, SI units are shown in brackets. The values stated in
Specification C 1381.
each shall be used independent of the other. Values from the
two systems shall not be combined.
5. Environmental Conditions
1.3 All references to finishes, dimensions and tolerances
5.1 Room temperature shall be maintained at not less than
shall refer to the finished surface of the part.
40°F [4°C] during the installation of GRG parts except when
1.4 The text of this standard references notes and footnotes
adhesive is used for the bonding or attachment of parts to each
that provide explanatory material. These notes and footnotes
other or to a substrate. For the bonding of adhesive and joint
(excluding those in tables and figures) shall not be considered
treatment the room temperature shall be maintained at not less
as requirements of the standard.
than 50°F [10°C] for 48 hours prior to application and
continuously thereafter until completely dry.
2. Referenced Documents
5.2 When a temporary heat source is used, the temperature
2.1 ASTM Standards:
shall not exceed 95°F [35°C] in any given room or area.
C 11 Terminology Relating to Gypsum and Related Build-
5.3 InstalledGRGshallbeprotectedfromdirectexposureto
ing Materials and Systems
rain, snow, sunlight and other excessive weather conditions.
C 754 Specification for Installation of Steel Framing Mem-
bers to Receive Screw Attached Gypsum Panel Products
NOTE 1—Installation in conditions of excessive humidity is not recom-
C 840 Specification for Application and Finishing of Gyp- mended. The ideal conditions to install molded GRG parts is 70°F [21°C]
and 50 % RH.
sum Board
C 1007 Specification for Installation of Load Bearing
6. Substrate Preparation
(Transverse and Axial) Steel Studs and Related Accesso-
6.1 SubstratestoacceptGRGpartsshallbeinstalledstraight
ries
and true within ⁄8 in. in 8 ft [3 mm in 2500 mm] and shall be
C 1381 Specification for Molded Glass Fiber Reinforced
free of obstructions and interference that prohibits correct
Gypsum (GRG) Parts
attachment of GRG parts.
3. Terminology
6.2 Metal framing members shall be of the proper size and
design for the intended use and shall be sufficient to properly
3.1 Definitions— Definitions of terms shall be in accor-
support the installed GRG parts. Metal framing members shall
dance with Terminology C 11.
be installed in accordance with Specification C 754 or C 1007
3.2 Definitions of Terms Specific to This Standa
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