Knauf Sheetrock® All Purpose Joint Compound is an air-drying, lightweight compound suitable for all three coat applications or as a finishing coat for all plasterboard joints, angles, and fastener heads.
Features
- Premium grade lightweight and all-purpose finishing compound.
- May be used for all three coats or as a finishing coat.
- Excellent workability, featuring easy application by hand or with mechanical tools.
- Minimal mixing and cleaning of tools required.
- Sandable by hand or with mechanical sanding tools.
- Provides an excellent surface for painting.
Recommended Usage
- Knauf Sheetrock® All Purpose Joint Compound is suitable for use as all three coats in the Knauf 3 coat jointing system.
- Knauf Sheetrock® All Purpose Joint Compound is suitable for use as the final coating of plasterboard joints, angles, and fastener heads in Knauf 3 coat jointing system when used in conjunction with Knauf setting type joint compounds for the first and second coats.
Additional Information
Mixing Process
- Always use clean tools.
- Do not mix with residue of previously used compounds.
- Inclusion of such materials will impair the performance of this product and void the product warranty.
- Knauf Sheetrock® All Purpose Joint Compound may appear thick in the pail. Before adding water, lightly mix the product and test its application. If required, add water to achieve the 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 Process
- Surfaces must be clean and free from dust.
- When using Knauf Sheetrock® All Purpose Joint Compound for all three coats, the first coat must be used to bed a high-quality paper tape.
- Knauf Sheetrock® All Purpose Joint Compound must be allowed to dry thoroughly (up to 24 hours depending on temperature and 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.
Physical Properties:
- Compound type: Ready-mix air drying type compound
- Material: Latex type formulation
- Packaging: 5kg and 28kg pails
- Drying Time: 12-24 hours (depending on local conditions)
- Jointing Coverage: Approximately 56.7 to 68.0kg/1000 sq. ft (61.0 to 73.2 kg/100sq.m) of gypsum panels.
- Storage: Store in protected place, away from extreme temperatures
- Shelf Life: Best before 9 months under good storage conditions.