Jointing compound
Paste that covers joints and screw heads.
- Where it is used: Joints, screws and corners.
- Watch out: Several thin coats beat one thick one. Sand with extraction.
Brands and types in the UK (6)
British Gypsum Gyproc Joint Filler 12.5kg
Gyproc Joint Filler is a gypsum-based setting jointing compound for bedding tape and filling plasterboard joints.
Technical data
- 12.5kg bag
- Gypsum-based
- Sets rather than air-dries
- Min. Recoat Time: 140 minutes
- Working Time: max 60 minutes
Source: Builder Depot
British Gypsum Gyproc Quicksand Joint Cement 25kg
Gyproc Quicksand is an air-drying jointing compound for all stages of plasterboard jointing.
Technical data
- 25kg bag
- Air-drying formula
- Water Requirement: 12.25 litres per bag
- Can be sanded to a smooth finish
- Minimum Application Temperature: 5°C
Source: Builder Depot
Knauf Premium Joint Filler – 10kg
Knauf Premium Joint Filler is a gypsum-based powder for finishing plasterboard joints.
Technical data
- 10 kg bag
- Approx. 90-minute working time
- Setting time: around 120 minutes
- Estimated coverage of 55m2 per 10kg bag
- Shelf life: up to 9 months
Source: Wickes
Knauf Fill & Finish Light – 5kg
Knauf Fill & Finish Light is a ready-mixed compound for bedding tapes, beads and finishing joints.
Technical data
- 5 kg tub
- Ready mixed
- Coverage: 11.25m2 per 5kg tub
- Drying Time: 12–24 hours
- Very low shrinkage
Source: Wickes
British Gypsum Gyproc Easi Fill 60 Compound – 10kg
British Gypsum Gyproc Easi Fill 60 is a lightweight plasterboard joint filler and finish.
Technical data
- 10 kg bag
- Working time: 60 minutes
- Second coat after 140 minutes
- Coverage: 41 m2
- EN 13963, type 3B
Source: Wickes
SMIG A-2 Jointing, Filling & Finishing Compound – 5kg
SMIG A2 Jointing Compound is a ready-mixed filler for jointing plasterboards and filling gaps.
Technical data
- 5 kg tub
- Ready mixed
- Coverage: 5 m²
- Drying Time: 1-2 hours
- Up to 5mm per coat
Source: Wickes
Sources: product listings from Builder Depot, Wickes, checked on 31-10-2026. Photos are from Builder Depot (with permission) the manufacturer or the shop (shown under each photo); where there is no photo we show a drawing. Original Fixiz Academy text; data can change, always check the manufacturer data sheet.