SD-08 Manufacturer's Instructions
ready-mix gypsum plaster
[
Acoustical Plaster Finish]
Submit manufacturer's printed mixing instructions for ready-mix
plaster[ and acoustical plaster finish].
[1.3
QUALITY ASSURANCE
Erect sample panel at the building site, or as otherwise directed.
Finished gypsum plaster work shall match the approved sample panel.]
1.4
DELIVERY, STORAGE, AND HANDLING
Deliver manufactured materials in the manufacturers' original unbroken
packages or containers which are labeled plainly with the manufacturers'
names and brands. Keep cementitious materials dry and stored off the
ground, under cover, and away from sweating walls and other damp surfaces
until ready for use.
1.5
ENVIRONMENTAL CONDITIONS
1.5.1
Gypsum Plaster
Maintain an ambient temperature of not less than 13 degrees C 55 degrees F
continuously during plastering, [and] drying [, and until occupancy heating
conditions are established in the area]. Maintain this temperature for not
less than one week prior to the application of plaster. Provide regulated
ventilation to prevent "sweatouts" or "dry-outs." When the building is
exposed to hot dry winds or day-to-night temperature differentials of 10
degrees C 20 degrees F or more, cover openings that are not glazed.
[Provide permanent ventilation for spaces enclosed by suspended ceilings as
indicated.]
1.6
Gypsum Plaster Full Size Sample
After selection of an acceptable texture, construct a sample [panel] [wall]
separate from the building, minimum size of [8] [_____] ft [2400] [_____] mm
in height, by [8] [_____] ft [2400] [_____] mm in length, using 150 mm 6 in
metal studs, and gypsum board, metal lath and gypsum plaster. The sample
wall shall show all aspects of gypsum plaster work, including but not
limited to, expansion joints, control joints, corner extrusions,
[[electrical] [mechanical] [and] [fire sprinkler] penetration[s]] and
casing beads. A sample of a control joint and extrusion butt joint shall
also be incorporated into the sample wall. Finish work shall match the
approved sample panel. [Divide the panel into four equal quardrants with
the expansion and control joints to show each phase of work, lath, scratch
coat, brown coat, and finish coats.] The Contractor shall protect the
sample wall from damage during the length of the contract.
PART 2
PRODUCTS
2.1
MATERIALS
Conform to the specifications, standards, and requirements specified
herein. Provide asbestos-free materials.
SECTION 09210
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