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Sheetrock All Purpose Joint Compound - JCAP-28

USG Boral SHEETROCK® ALL PURPOSE joint compound is an air-drying, compound suitable for all three coat applications or as a finishing coat for all plasterboard joints, angles and fastener heads. Complies with ASTM C475.
Application
Substrate of Application
Area of Application
Wet Area
No
Compound Type


Features
  • Premium grade, all purpose or finishing compound
  • Used for all three coats or as a skimming coat
  • Excellent workability, easy application by hand or with mechanical tools
  • Minimal mixing & cleaning of tools
  • Can be sanded by hand or with mechanical sanding tools
  • Excellent surface for painting.
Specifications
Application
  • Application: Surfaces must be clean and free from dust
  • USG Boral SHEETROCK® All Purpose may be diluted to a workable viscosity by adding water followed by mechanical mixing if desired
  • Can be applied by hand or mechanical tools
  • When using USG Boral SHEETROCK® All Purpose for all three coats, the first coat must be used to bed a high-quality paper tape
  • USG Boral SHEETROCK® All Purpose compound must be allowed to dry thoroughly (up to 24 hours depending on temperature & humidity) before recoating or sanding
  • Only apply over setting type compounds that have been allowed to dry thoroughly
  • Sand with care using 180 or 220 grit paper
  • Thoroughly clean all tools and equipment after use
Mixing
  • Mixing: Always use clean tools
  • Do not mix with residues of previously used compounds
  • The inclusion of such materials will impair the performance of this product and will void the product warranty
  • All Purpose Premix may appear thick in pail. Before adding water, lightly mix & test its application; if required, add water to achieve desired consistency
  • Caution: Avoid over-thinning when adding water as this may cause cracking and excessive shrinkage
  • If liquid has separated from the compound, stir carefully to restore consistency
  • Caution: Do not over mix; over mixing can introduce air bubbles, which can create surface imperfections
Storage
  • Storage: USG Boral SHEETROCK® All Purpose Joint Compound should be stored under a cover in a dry environment and protected from temperature extremes; storage in an unsuitable environment can shorten the lifespan of this product
  • USG Boral SHEETROCK® All Purpose Joint Compound has a shelf life of 12 months from date of manufacture

Item

Application

Substrate of Application

Area of Application

Wet Area

Compound Type

JCAP-28
Jointing / Skimming
Plasterboard
Indoor
No
Ready Mix
JCAP-15
Jointing / Skimming
Plasterboard
Indoor
No
Ready Mix
JCAP-05
Jointing / Skimming
Plasterboard
Indoor
No
Ready Mix

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