Knauf Fill & Finish Jointing Compound (5kg)

Knauf Fill & Finish Jointing Compound (5kg)

By Knauf · Model: Fill & Finish · Building Materials

Lightweight ready-mixed jointing compound for plasterboard joints, achieving a seamless finish in two coats without the need for separate filler and finisher.

  • 2-in-1 compound — fills and finishes plasterboard joints in one product
  • Ready-mixed for immediate use — no powder mixing required
  • Lightweight formula is easy to sand for a smooth finish
  • Low shrinkage reduces the need for additional coats
  • Compatible with Knauf jointing tapes and all standard plasterboard
  • 5kg tub covers approximately 40 linear metres of joints
Check Price on Amazon

Overview

Knauf Fill & Finish has simplified plasterboard jointing by combining the fill coat and finish coat into a single product. Traditional jointing required a separate filler compound and a finishing compound, but Fill & Finish handles both stages, reducing the number of products on site and speeding up the dry-lining process.

In-Depth Look

Knauf Fill & Finish is the jointing compound that has made plasterboard finishing accessible to a wider range of trades. Where traditional jointing compounds required experience to mix correctly and skill to apply, Fill & Finish comes ready-mixed and is forgiving enough for non-specialists to achieve a good result.

Two Coats, One Product

The first coat fills the joint, embedding the jointing tape and building up the profile. Once dry, the second coat feathers out the edges to create a seamless transition between boards. With traditional systems, these two coats used different products. Fill & Finish does both, which means less waste and fewer products to buy and store.

Sandability

The lightweight formula sands down easily with fine-grit paper, which is critical for achieving a paint-ready surface. Heavier compounds can be difficult to sand without creating gouges, but Fill & Finish feathers out smoothly.

Verdict

Knauf Fill & Finish is the jointing compound that makes plasterboard finishing straightforward. Whether you are a professional dry-liner or a builder taping joints as part of a wider project, the 2-in-1 formula, ready-mixed convenience, and easy sanding make it the obvious choice.

Specifications
Weight5kg
TypeReady-mixed, lightweight
Coverage~40 linear metres per 5kg
Coats Required2 (fill coat + finish coat)
Drying TimeApproximately 24 hours per coat
Shelf Life12 months unopened

Who It's For

  • Dry-liners and plasterers finishing plasterboard installations
  • Carpenters and general builders taping plasterboard joints
  • DIY renovators fitting plasterboard in home improvement projects

Pros & Cons

Pros

  • One product replaces separate filler and finisher compounds
  • Ready-mixed — no measuring or mixing powder on site
  • Lightweight formula sands easily for a smooth finish
  • Low shrinkage minimises rework between coats

Cons

  • 24-hour drying time between coats slows progress
  • 5kg tub is relatively small for large dry-lining projects
  • Must be stored frost-free — freezing ruins the compound
Check Price on Amazon
Affiliate Disclosure: This page may contain affiliate links. If you purchase a product through one of these links, we may receive a small commission at no additional cost to you. This helps support our research and keeps this site running. Full disclosure.

Buying Guides

Related Products