Knauf Drywall Adhesive (Bonding Compound) 25kg

More cost efficient |Easy to use |Used to line block work and overcome uneven surfaces. |90 minute working time |High

Knauf Drywall Adhesive is a high-performance bonding compound specially formulated for direct bonding (also known as "dot and dab") of plasterboards to solid walls. Suitable for both new build and renovation projects, this 25kg bag provides a reliable, cost-effective solution for fixing plasterboard quickly and securely.

It is particularly useful for overcoming uneven surfaces, such as masonry or blockwork, creating a smooth, level surface ready for finishing.

Key Features:

1. More Cost Efficient: Covers a large area per bag, reducing material waste and labour time.
2. Easy to Use: Simple mix and apply with a working time of approximately 90 minutes.
3. Strong Bond Strength: Ensures a long-lasting hold to concrete, brick, blockwork and other masonry.
4. Ideal for Uneven Surfaces: Compensates for minor wall irregularities.
5. Quick Drying: Initial set in approximately 90 minutes; dry in around 3 hours (depending on conditions).
6. High Performance: Reliable adhesion performance meets the standards for professional drywall installation.

Ideal For:

1. Drylining internal walls using plasterboard
2. Renovation and refurbishment projects
3. Residential and commercial applications
4. Reducing build-up depth by eliminating the need for battens or metal framework

Coverage:

• Approx. 5 standard boards (2.4m x 1.2m) per 25kg bag
  (Coverage may vary depending on surface conditions and adhesive thickness.)

Mixing & Application:

• Mix with clean water as per manufacturer instructions until a smooth, lump-free consistency is achieved.
• Apply dabs at regular intervals on the wall surface.
• Press boards firmly into place and adjust within working time.

Drying & Setting Times:

• Working Time: 90 minutes
• Initial Set: Within 3 hours (temperature and humidity dependent)
• Final Finishing: After full cure – typically 24 hours before plastering/painting.

Safety & Storage:

• Store in a dry environment, off the floor.
• Use within shelf-life as indicated on the packaging.
• Always wear PPE during mixing and application.

Frequently Asked Questions (FAQ):

Q: Can I use Knauf Drywall Adhesive on ceilings?
A: No, it is designed for vertical applications only. For ceilings, use mechanical fixings or adhesive suited for overhead use.

Q: What kind of plasterboards can I use with this adhesive?
A: Suitable for all standard Knauf plasterboards, including moisture-resistant and fire-rated boards.

Q: Can this be applied to painted walls?
A: It is recommended for use on clean, dry, dust-free masonry or block surfaces. Painted surfaces may need to be sanded or primed for adhesion.

Q: Do I need a primer before applying?
A: On very absorbent surfaces like breeze blocks, a diluted PVA or sealer may be advised to reduce suction and improve adhesion.

Warranty & Certification:

Knauf products are manufactured to strict quality standards. For full warranty information, refer to the product packaging or contact Knauf technical support.

bond strength and reliability |3 hour drying time