Best Plasterboard & Plastering Supplies — Jointing Compound (2026)
4 plasterboard & plastering supplies matching material “Jointing Compound”, hand-picked from UK Amazon listings.
Not sure which one to pick? Read our Best Plasterboard & Plastering Supplies UK (2026) guide.
Jointing compound is an essential component of any plasterboard installation or repair project within the UK home. Used to fill gaps between boards and wall/ceiling surfaces, it creates a seamless transition, preventing cracking and ensuring a strong, durable bond. This type of compound primarily functions by expanding slightly as it dries, effectively sealing out moisture and air – critical factors for maintaining building integrity and preventing issues like dampness.
When applying jointing compound to plasterboard, you’ll need a consistent application for optimal results. It's designed to be applied in thin layers, allowing each coat to fully dry before adding the next. This process is vital as it prevents shrinkage and ensures the final joint is robust and aesthetically pleasing, ready for decoration.
This selection features a range of jointing compounds suitable for various plasterboard types – from standard gypsum board to more specialist formulations. We focus on products known for their ease of use, excellent adhesion, and ability to create smooth, professional-looking joints. Please refer to the manufacturer's instructions for specific application guidelines and compatibility with your chosen plasterboard.
#1 Pick
Toupret Joint, Skim & Fill Quick Dry - Crack Resistant, Easy Sand, Paintable Wall & Ceiling Filler - 10kg- Jointing Compound
- 10kg
£24.99
Pros
- One product handles jointing, skimming and filling in a single tub
- Quick-dry formula speeds up multi-coat plasterboard finishing
- Sands smooth and resists cracking on repaired joints
Cons
- Fast drying time leaves a shorter working window per mix
£22.24
Pros
- Combined setting and air-drying formula fills and finishes joints in just two coats
- High coverage rate reduces the number of tubs needed per room
- Amazon Choice pick with a strong review track record
Cons
- Setting-type compound has a limited working time once mixed
£33.97
Pros
- Larger 10kg tub suits bigger jointing and finishing jobs without re-ordering
- Same trusted two-coat setting and air-drying formula as the 5kg size
- Minimal drying shrinkage gives a smoother finish before decoration
Cons
- Heavier tub is less convenient for small patch-repair jobs
#4 Pick
Gyproc Easifill 60 Filler & Jointing Compound - 10kg- Jointing Compound
- 10kg
£34.30
Pros
- Powder filler mixes to a smooth, easy-spread consistency for plasterboard joints
- 60-minute working time gives more time to finish larger areas
- Trusted Gyproc/British Gypsum brand widely stocked by trade merchants
Cons
- 10kg bag needs proper mixing equipment for bigger jobs, more setup than a ready-mix tub
FAQ
What type of jointing compound is best for internal walls?+
For most internal wall applications using standard gypsum plasterboard, a general-purpose jointing compound will suffice. Look for products specifically labelled as suitable for interior use and offering good adhesion to gypsum board – many have additives to improve this.
How much jointing compound do I need per sheet of plasterboard?+
The amount you’ll require varies depending on the size of the joints and the surface area being covered. As a guideline, you'll typically need around 200-300g per 12mm x 2400mm sheet, but always check the manufacturer's recommendations for precise figures.
Can I use jointing compound on fibreglass plasterboard?+
Yes, you can use jointing compound on fibreglass plasterboard, however, it’s crucial to select a compound specifically formulated for this material. Fibreglass is more rigid and requires a compound with enhanced adhesion properties to prevent delamination.
How do I apply jointing compound evenly?+
Use a 6-inch or 8-inch taping knife to apply the compound in smooth, consistent strokes. Maintain light pressure and overlap each stroke slightly to ensure full coverage – avoid applying too much at once to prevent sagging.
How long does it take for jointing compound to dry?+
Drying times vary depending on humidity and temperature, but typically takes between 2-6 hours per coat. Allow each coat to fully dry before applying the next to avoid issues like shrinkage and cracking.
What’s the best way to smooth out a jointing compound finish?+
After the initial drying phase, use a clean, damp glazing square or a small float to gently refine the surface. Work in circular motions to eliminate any imperfections and create a seamless, smooth finish for decorating.
Should I apply multiple thin coats of jointing compound?+
Yes, applying several thin coats is far superior to one thick coat. This allows each layer to dry properly, reducing the risk of shrinkage cracking and ensuring a stronger, more durable joint over time.
Can I use jointing compound on damp surfaces?+
It’s strongly advised *not* to apply jointing compound to damp or wet surfaces. Ensure the surface is completely dry before application – moisture will weaken adhesion and compromise the integrity of the joint.
What tools are essential for applying jointing compound?+
You'll need a taping knife (6-inch or 8-inch), a mixing stick, and potentially a small float or glazing square. A clean sponge can also be useful for removing excess compound from the surface.
What is the difference between PVA jointing compound and non-PVA?+
PVA (Polyvinyl Acetate) jointing compounds offer superior adhesion and durability, particularly on gypsum plasterboard, due to their improved bonding properties. Non-PVA compounds are often cheaper but may require more frequent reapplication and might not provide as robust a finish.