Knauf (Boral) Premium Premixed Putty

Boral (now as Knauf) Premium Premixed Putty, also known as Boral Premix Putty, is an air-drying, lightweight jointing compound for all three coat applications or as a finishing coat for gypsum board joints, angles, and fastener heads.

Skimming Coverage per 28kg pail: 33sqm based on 1mm thickness

Mixing Instruction:

• 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.
• USG Boral Premium 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 overmix; overmixing can introduce air bubbles. which can create surface imperfections.

Application Instruction:

• Surfaces must be clean and free from dust.
• USG Boral Premium Premix may have high viscosity in the pail; it may be diluted to a workable viscosity by adding water followed by mechanical mixing.
• Can be applied by hand or mechanical tools.
• When using USG Boral Premium Premix for all three coats, the first coat must be used to bed a high-quality paper tape.

Directions - Jointing and Finishing:

First Coat (150mm wide)

1. Cover joint with a thin layer of compound and embed paper tape. Leaving at least 1mm of compound under feathered edge. Let dry and sand lightly.

1. Apply second coat, feathering approximately 50mm beyond first coat.
2. Let dry and sand lightly.

Third Coat (275mm wide)

1. Apply third coat. Feathering 75mm beyond second coat. Let dry and sand lightly. Finish fastener heads. Corner beads and inside corners as required with at least three coats of joint compound, feathered out onto panel faces and finished to a smooth surface.
2. USG Boral Premium Premix compound must be allowed to dry thoroughly (up to 24 hours depending on temperature and humidity) before re-coating or sanding.
3. Only apply over setting type compounds that have been allowed to dry thoroughly.
4. Sand with care using 180 to 220 grit sandpaper.
5. Thoroughly clean all tools and equipment after use.

NOTE: All surfaces including applied joint compound require light sanding
before painting.