How to Cover Artex with Filler
If you have an old Artex ceiling and want a smooth, modern finish without calling in a plasterer, you are in the right place. In this guide, we outline simple steps for covering Artex using filler.
Using a filler, rather than plastering the whole surface, is a cost‑effective method to remove Artex.
Before doing anything, your first priority is safety. Older Artex, especially from before the mid‑1980s, may contain asbestos. You must not scrape, sand, or disturb the surface until you know it is safe.
If your home is older or you are unsure, get the ceiling tested by a professional asbestos survey service. It is quick, affordable, and could prevent serious health risks.
Once you know the ceiling is asbestos free or already sealed safely, you can move on to step 1.
Step 1: Scrape Down the High Peaks (De-nibbing)
Artex has raised peaks or sharp ridges that make the surface uneven. Before applying any filler, remove these high points. This not only removes the sharp tips but also aids in adhesion by creating a larger surface area. You will also use less material.
Use a scraper or a wide filling knife and gently shave down the peaks. You do not need to remove the texture completely. You are simply reducing the worst of it, so the filler has less work to do. This is important when thinking about the depth limits of filler. Renovation Skimcoat has a depth limit of 5mm.
This makes the final finish much smoother and reduces the amount of sanding later.
Step 2: Apply Filler
Renovation Skimcoat is ideal for this job. It is ready mixed, easy to apply, and can be used up to 5 mm deep, which is perfect for covering textured surfaces like Artex. It doesn’t have a working time limit, therefore is perfect for covering large areas
You could also use Joint and Skim and Finishing Filler.
Apply the first coat using a wide filling knife, trowel or roller. Apply the filler across the surface with long, even strokes. This coat is your base layer, so focus on filling the dips and covering the pattern rather than making it perfectly smooth.
Allow the filler to fully level out as it dries. Avoid overworking it, as repeated passes can create ridges.
Step 3: Allow the First Coat to Dry
Let the first coat dry completely before you move on. Renovation Skimcoat has a 12+ hour drying time. Drying times vary depending on temperature, humidity, and the product, but several hours or overnight is typically best.
Trying to sand or recoat too soon can cause dragging and uneven patches, so patience here makes a big difference.
Step 4: Sand the Surface Smooth
Once the filler is fully dry, lightly sand the surface using fine grit sandpaper (p180). A sanding pole gives you better reach and a more consistent finish.
You do not need to sand aggressively. The goal is to smooth out minor imperfections and prepare the surface for the second coat.
Always wear a dust mask and goggles during this step.
Step 5: Apply the Second Coat
Now apply another thin coat of chosen filler across the whole ceiling. This layer levels everything and creates the clean, flat finish you want.
Work in sections and feather the edges as you go. The smoother this coat is, the less sanding you will need later. Feathering is when you add more pressure to one side of the blade.
Step 6: Dry, Sand and Dust
Allow the second coat to dry fully. Once dry, do a final light sanding to remove any small lines or marks.
Dust off the entire ceiling with a brush or clean cloth. This ensures your paint will adhere properly, and the finish looks clean and professional.
At this stage, your ceiling should be completely smooth and ready for painting.
If your surface has larger defects or deeper cracks, address those first, using a filler with a larger depth limit and then start this process.
Smoothing an Artex ceiling with filler is an effective solution that avoids the mess and cost of traditional plastering. With the right tools and a bit of patience, you can completely transform a dated, textured ceiling into a modern, clean surface.
