A plaster-based filler powder that mixes up smooth, fills up to 10mm per layer, and sets hard enough to take screws and nails. Dries white, sands easily, and works on plaster, brick, wood and most common building materials.
Multi-purpose filler powder is one of those products that earns its place on every job. This 1.8kg bag gives you a plaster-based repair compound that handles the everyday defects you find on interior walls and ceilings: cracks, holes, chips, gaps around frames, and the general abuse that buildings accumulate over time. Mix it to a workable consistency, apply it, and you are done. No drama.
The powder format is worth noting. It stores far better than pre-mixed filler, which has a habit of skinning over or drying out in the tub between visits. A sealed bag of powder stays usable for considerably longer, and you only mix what you need for the job in hand. Less waste, which on a plastering or decorating run across multiple rooms adds up to real savings.
Where Multi-Purpose Filler Powder Works Well
Each layer fills up to 10mm, which covers most standard repair jobs without needing to build up multiple coats. It sets in around two hours, so you are not hanging around waiting to sand back before the next coat of paint goes on. Once set, it is hard enough to accept screws and nails, which makes it genuinely useful rather than just cosmetic. The finish sands smooth without tearing, and it dries white, making it easy to judge when it is fully cured before painting.
It is listed as suitable for interior and exterior use, and it bonds to plaster, brick, wood and most standard building substrates. That covers the vast majority of repair work a decorator, plasterer or general builder will encounter day to day.
At this price and this pack size, it is an easy call to keep a bag in the van. Simple product, does what it says.
Pro Tip: Mix only what you can use in 20 minutes or so, and keep the mix on the stiff side for deeper fills so it holds its shape rather than slumping before it sets.
This filler powder is used across general building, decorating and plastering work wherever surface defects need repairing before painting or finishing. Typical jobs include filling cracks in plasterboard and solid plaster walls, patching chipped brickwork, repairing holes left by fixings, and tidying up around door frames and skirting boards. It suits both new build finishing work and renovation projects where walls have taken a battering over the years.
Best For
Filling cracks and holes in plaster
Patching chipped brickwork
Repairing fixing holes
Pre-decoration surface prep
General interior and exterior repairs
Compatible Surfaces
Plaster and plasterboard
Brick and masonry
Wood
Most common building substrates
Key Properties
Fills up to 10mm per layer
Sets in approximately 2 hours
Hard enough to accept screws and nails when set
Shrink and crack resistant
Dries white
Sandable and paintable finish
Interior and exterior use
Not suitable for: Not recommended for structural repairs or for filling gaps subject to movement or vibration. Not suitable as a skim finish coat over large areas.
Mix the powder with clean water in a clean container, adding water gradually until you reach a smooth, lump-free paste. A stiffer mix works better for deeper fills, a slightly looser mix for fine surface cracks. Apply with a filling knife, slightly overfilling the repair to allow for any minor shrinkage. Leave to set for around two hours, then sand back flush with fine abrasive paper before painting.
Clean out the repair area, removing any loose material, dust or debris
Mix the filler powder with clean water, adding water gradually to reach a smooth, lump-free consistency
For fills deeper than 10mm, apply in two separate layers, allowing the first to fully set before applying the second
Slightly overfill the repair with a filling knife to account for minor shrinkage during setting
Allow to set for approximately 2 hours before sanding
Sand back flush using fine abrasive paper, then prime and paint as required
How deep a fill can I do in one pass?
Up to 10mm per layer. For deeper repairs, apply in stages, letting each layer set fully before adding the next. Trying to fill a deep hole in one go increases the risk of cracking as the material cures.
Can this filler be used outside?
Yes, it is listed as suitable for both interior and exterior use. That said, exterior repairs should be painted over promptly once set to protect the filler from prolonged exposure to rain and frost, which will eventually break down any unprotected filler.
How long does the mixed filler stay workable?
Once mixed, you have a limited working window before it starts to stiffen, typically around 15 to 20 minutes depending on temperature. Mix in small batches to avoid waste, and do not try to re-wet filler that has already begun to set.
A plaster-based powder compound formulated to resist shrinkage and cracking during the curing process. Sets to a hard finish that can be sanded, drilled, nailed and painted. The powder format gives a longer shelf life than pre-mixed alternatives when stored correctly in a cool, dry place with the bag resealed after use.
Pack Size
1.8kg
Format
Powder
Base
Plaster-based
Set Time
Approximately 2 hours
Max Fill Depth Per Layer
10mm
Finish
Dries white, sandable
Application
Interior and exterior
Compatible Surfaces
Plaster, plasterboard, brick, wood, most building substrates
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