Knauf Joint Filler Premium 20kg

URN: 2004022
£18.61ex. VAT
£18.61ex. VAT

Nationwide Delivery

Mon 13 Oct

Order by 2pm tomorrow
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Delivery & Returns Info

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URN: 2004022
£18.61ex. VAT

Delivery & Returns Information

How Our Delivery Works

We work with a nationwide network of trusted suppliers. As a result, items in your basket may be supplied by different suppliers and delivered separately. Where this applies, you'll see multiple delivery charges at checkout. We always aim to group products from the same supplier to keep delivery costs as low as possible.

Delivery Areas & Charges

Delivery charges listed on our website apply to mainland UK, excluding the following postcode areas: AB, CF, DD, DG, FK, KW, IV, LA, LD, LL, NP, PA, PH, SA, SY
If your delivery address falls within one of these postcode areas, we’ll be in touch before processing your order to confirm any additional delivery costs.
Please note: We do not currently offer delivery outside the UK mainland.

Standard (Nationwide) Delivery

Insulation, Plasterboard and Drylining Products
ORDER VALUE DELIVERY CHARGE
Under £350 £35 ex. VAT
Over £350 ex. VAT FREE
Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products
ORDER VALUE DELIVERY CHARGE
Under £300 £10 ex. VAT
Over £300 ex. VAT FREE
Screws & Fixings and Adhesives & Sealants
ORDER VALUE DELIVERY CHARGE
Under £50 £5 ex. VAT
Over £50 ex. VAT FREE

Express Delivery

Express Delivery - Insulation and Plasterboard & Drylining
ORDER VALUE DELIVERY CHARGE
Under £400 £50 ex. VAT
Over £400 ex. VAT £35 ex. VAT
Express Delivery - Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products
ORDER VALUE DELIVERY CHARGE
Under £300 £50 ex. VAT
Over £300 ex. VAT £35 ex. VAT

View Full Delivery Policy

Returns

We offer a 30 day returns policy on any faulty products.

View Full Returns Policy


Key Features

  • {{layers}} Suitable for bedding joint tapes on gypsum boards
  • {{pan_tool}} Designed for hand application
  • {{home}} Interior applications only
  • {{blender}} Easy mixing and application

Technical Specification

Technical Specification
Size:20kg
Sales Unit:Bag
Brand:Knauf Drywall
Status:Non-Returnable

Product Overview

Knauf Joint Filler Premium in a 20kg bag is a high-quality gypsum-based filler designed for bedding tape and finishing joints in gypsum board installations. Engineered for interior use, it provides smooth application and strong adhesion, ensuring durable, seamless joints that are ready for decoration.

Offering approximately 90 minutes of working time and around 120 minutes drying time, the filler allows flexibility during installation while maintaining efficiency on site. Its formulation delivers easy mixing and application, reducing effort for contractors working on larger wall and partition projects.

Supplied in a bulk 20kg format, this joint filler delivers excellent value and extended coverage, making it suitable for professional-scale use.

Features & Benefits

  • Easy to apply: Smooth, workable mix simplifies embedding tape and finishing joints.
  • Economical format: 20kg bag provides cost-efficient coverage for professional-scale use. 
  • Durable finish: Produces strong, stable joints that resist cracking.
  • Reliable formulation: Balanced drying and setting for controlled application.
  • Professional results: Creates seamless, decoration-ready surfaces. 
  • Standard compliance: Meets EN 13963:2014 requirements for jointing materials.


Applications

  • Gypsum board jointing: Designed specifically for bedding tapes.
  • Interior wall finishing: Produces smooth, seamless plasterboard joints.
  • DIY or trade use: Provides efficiency for large-scale projects.


Installation Guidance

  • Preparation: Mix with clean, cold water in a suitable container.
  • Mixing: Stir to a creamy consistency; avoid over-mixing.
  • Application: Apply to plasterboard recess, embedding tape with a knife or trowel.
  • Working time: Approx. 90 minutes after mixing.
  • Drying time: Approx. 120 minutes before further finishing.


Compliance & Performance

  • Material specification: Gypsum-based joint filler.
  • Reaction to fire: Euroclass A1.
  • Flexural strength: NPD (No Performance Determined).
  • Standards: EN 13963:2014 compliant.
  • Bag size: 20kg.
  • Shelf life: 9 months when stored dry and protected from frost, heat, and sunlight.
  • Important note: Interior use only; not suitable for external or high-moisture environments.



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