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Sanding mesh for plaster and filler

Updated: 21 October 2026

You have a proud line of filler along a plasterboard joint, or a skim patch that still shows under raking light. Open mesh helps because gypsum loads paper quickly, but mesh is not a dust extractor, and the wrong grit on cured skim can cut through in one pass. This page is only about walls and repairs. Pad sizes and the amazon.co.uk ranking start in the [sanding mesh comparison](/hub/sanders/sanding-mesh). Technique sits in [how to use sanding mesh](/hub/sanders/sanding-mesh/sub/sanding-mesh-how-to-use). Format is in the [buying guide](/hub/sanders/sanding-mesh/sub/sanding-mesh-buying-guide). Named orbital packs are in [best mesh sanding discs](/hub/sanders/sanding-mesh/sub/sanding-mesh-best). There was no lab test. A qualifying purchase can earn a commission at no extra cost to you.

You have a proud line of filler along a plasterboard joint, or a skim patch that still shows under raking light.

Our top picks

Yurifaz Yurifaz 80 × 230 mm mesh sheets

Best overall

Yurifaz Yurifaz 80 × 230 mm mesh sheets
6.2/10about £15.09
View offer
ProDec ProDec Advance 120 grit mesh roll

Rank 2

ProDec ProDec Advance 120 grit mesh roll
9.4/10about £4.99
View offer
S&R S&R mesh sheets with hand block

Rank 3

S&R S&R mesh sheets with hand block
8.2/10about £18.95
View offer
On this page
  1. 1.Sand only what has cured
  2. 2.Which grit on filler and which grit on skim
  3. 3.Sheets and rolls, not a random disc
  4. 4.Gypsum dust still needs a hose

Sand only what has cured

Filler and joint compound need to dry through before you flatten a ridge. Sanding wet or green compound smears the surface and loads the mesh in clumps. On a fresh skim, use a light touch only once your fingernail does not mark it. If thumb pressure still dents the surface, wait. A patch beside a cold external wall can feel dry on top while the core is damp. A day or two after the last trowel pass is a safer bet than rushing paint. Work in short passes and check with your hand flat to the wall. Remove the proud spot. Do not chase the whole wall in one stroke.

Which grit on filler and which grit on skim

Mirka’s wall-and-ceiling guidance for mesh runs from about P120 to flatten, P180 to refine, and P240 before paint, with P320 to P400 between coats of emulsion. That assumes a fair surface, not a deep fill. Norton’s plaster advice still lists 80 grit alongside finer steps up to 240 to 320. Kent Plasterers keep finished skim in roughly 120 to 180 and treat 80 as off limits on skim, reserving it for rough repairs or very proud material. Use P80 only on dry, proud filler, and stop when the ridge is level. On a finished skim, stay in 120 to 180, then refine. If you are unsure which layer you are touching, start at 120 or 150. You cannot unpatch a groove cut with 80.
Yurifaz Yurifaz 80 × 230 mm mesh sheets

Testsieger

Yurifaz Yurifaz 80 × 230 mm mesh sheets
6.2/10about £15.09
View offer

Sheets and rolls, not a random disc

Joints are long and narrow, so a roll or sheet usually beats a round disc. ProDec’s Advance roll, 120 grit and 115 mm wide, is the format reviewers pair with plaster: cut a length and wrap a block. It is one grit, and the top pick of the wider set on review depth. Yurifaz’s 80 × 230 mm sheets match palm blocks, on a single review. S&R prints 280 × 93 mm sheets and a block at 80 × 230 mm. Gerlon’s refills suit Gerlon’s shim only. Skip 125 mm discs unless the flat is large.

Gypsum dust still needs a hose

HSE treats sanding taped plasterboard joints as a gypsum dust problem. Overhead work drops dust through your breathing zone. Guidance expects L, M or H extraction depending on the setup, a short hose, and a maintained filter. Mesh lets more dust through the face than clogged paper. It does not remove the hose. In HSE’s filmed example with extraction connected, respiratory protection was not required for that operator. That is not a licence to dry-sand a bedroom with no vacuum. A mask backs up one small patch with the windows open. A full-room skim is often a plasterer’s job.

Common questions

What grit mesh should I use on filler before painting?
On proud, fully dry filler, start around P120 to level the ridge, then move to P180 or P240 to soften scratches before a mist coat or emulsion. If the bump is thick and hard, a brief pass with P80 can be faster, but keep 80 off finished skim and stop as soon as the surface is flush.
Can I use P80 on new skim?
Kent Plasterers’ advice is to avoid 80 on finished skim and stay in roughly 120 to 180 with light pressure. Norton’s broader plaster chart still mentions 80 for plaster work, which applies to rough substrate, not a thin skim you want to preserve. When in doubt, use 120 and check often.
Should I buy sheets, a roll, or discs for plasterboard?
Sheets and rolls suit joints and patches on a block. Discs suit wide flats on a random orbital or drywall sander with the correct pad diameter. Do not assume every mesh listing is a hand sheet. A 5 m roll will not become a 125 mm disc.
Do I need extraction when sanding plasterboard joints?
Yes, for anything beyond a tiny patch. HSE’s plasterboard joint page focuses on gypsum dust control and suitable vacuum classes. Mesh improves clogging behaviour. It does not replace extraction. Overhead work drops dust through the breathing zone on the way down.
Is gypsum dust the same as wood dust?
No. Both can be fine and harmful to breathe, but plasterboard joint sanding is discussed as gypsum in UK health guidance, with specific expectations for extraction on site work. Do not copy wood-dust shortcuts onto a gypsum job.
Which pack in the comparison is actually flat sheets?
Yurifaz’s 80 × 230 mm listing and S&R’s sheet-and-block kit are sheet formats. Verify S&R’s printed dimensions before you buy, because the sheet and the block are not the same rectangle. ProDec is a roll at 120 grit. Most other lines in the comparison are 125 mm discs.
Will mesh clog on filler?
Mesh clogs less than conventional paper on soft filler, but loaded compound can still pack the holes. Tap or brush the face, change the strip or disc when cutting slows, and avoid sanding compound that is not fully dry.
When should I call a plasterer instead?
Call for full-room skims, recurring cracks, or ceilings where you cannot sand safely with extraction and stable access. Mesh on a small patch is a decorating task. Levelling an entire botched skim is not.

Related pages

Drywall sander comparison

Sanding mesh

Best mesh sanding discs: 125 mm, 150 mm, or a roll

Mesh sanding discs: match pad, grit, then the grain

How to use mesh sanding discs without them flying off

Mesh sandpaper vs sandpaper on flats, edges and dust

Sources

Sources taken from the research digest. Listings are from the amazon.co.uk capture of 19 October 2026.

  1. HSE — wood dust (retrieved 21.10.2026)
  2. HSE WD7 — hand-held powered sanders (retrieved 21.10.2026)
  3. HSE — cutting and sanding wood (retrieved 21.10.2026)
  4. HSE — sanding plasterboard joints (retrieved 21.10.2026)
  5. HSE CIS69 — extraction as one system (retrieved 21.10.2026)
  6. Mirka — Abranet (retrieved 21.10.2026)
  7. Mirka — dust-free sanding (retrieved 21.10.2026)
  8. Norton — choosing sandpaper (retrieved 21.10.2026)
  9. Homebuilding — mesh sandpaper or standard sandpaper (retrieved 21.10.2026)
  10. Protrade — Velcro sanding discs (retrieved 21.10.2026)