20kg Knauf Joint Filler

Knauf Joint Filler (20kg) is a premium-quality gypsum-based compound designed for bedding and finishing plasterboard joints. Ideal for use with joint tape, it provides a smooth, durable finish ready for decoration. Engineered for professional performance, it’s the perfect choice for both commercial and domestic drywall applications.

Product Features/Specifications:

Knauf Joint Filler is a fine, easy-to-mix powder that provides excellent adhesion and smooth workability. It sets quickly to form a hard, durable joint surface that resists cracking and shrinkage. Supplied in a 20kg paper sack, this product is suitable for both hand and mechanical application.

Detailed Product Benefits:

The Knauf Joint Filler delivers superior strength and finish quality across all plasterboard jointing systems. Its controlled setting time allows for easy application and efficient workflow, helping to achieve a high standard of finish in fewer coats. Once set, it sands easily to a smooth surface suitable for direct painting or further finishing. The gypsum-based formula ensures minimal shrinkage, while its consistent texture makes it easy to feather out for invisible joints.

Applications and Versatility:

• Suitable for a wide range of plasterboard finishing and repair tasks, including:
• Bedding and filling joints between plasterboards
• Embedding joint tape for added strength
• Surface repairs and patching on plasterboard or drywall
• Pre-decoration smoothing for painting or wallpapering
• Perfect for both small patch jobs and full-room installations in residential or commercial projects.

Features & Benefits List:

• High-quality gypsum-based filler for strong, durable joints
• Excellent adhesion and workability for smooth application
• Fast-setting formulation – ideal for efficient workflow
• Minimal shrinkage and cracking
• Easily sanded to a fine, professional finish
• Suitable for hand or mechanical jointing
• Compatible with all Knauf jointing and finishing systems

Technical Specifications:

• Brand: Knauf
• Type: Gypsum-based joint filler
• Colour: Off-white
• Pack Size: 20kg paper sack
• Mix Ratio: Approx. 2 parts powder to 1 part water (by weight)
• Working Time: Approx. 60 minutes
• Setting Time: Approx. 90 minutes
• Coverage: Approx. 0.8kg/m² (depending on joint width and depth)
• Application: Hand or mechanical jointing
• Finish: Smooth, sandable surface

Additional Information:

Store in a cool, dry place and protect from moisture. Use clean tools and water when mixing. Once mixed, use within working time and do not remix after initial set. Dispose of any hardened material responsibly.

For more information, please contact us on 01274 720227 or email us at [email protected]