Start Outdoors Before Anything Else

Dust that has settled on a record in a loft for twenty years is not the same as the dust on your shelf. It is a mixture of paper fibres from crumbling sleeves, brick grit, insect debris, dead skin and, very often, mould spores. If you carry a box of those records into your listening room and start brushing, you will simply redistribute decades of grit into your carpet, your lungs and your hi-fi. Work outside, or in a garage with the door open, and treat the first stage as a decontamination rather than a cleaning.

Set yourself up properly before you open the box. You will need:

• A large plastic sheet or old newspaper to work on, so records never touch bare concrete or grass
• An FFP3 mask or similar, plus nitrile gloves — essential if you can smell that damp, cellar-like mustiness
• A soft goat-hair or carbon-fibre record brush, and several clean microfibre cloths
• A torch for inspecting grooves, and a flat, rigid surface for checking warps
• Two crates: one for records that look sound, one for anything mouldy or damaged, to be dealt with separately

Inspect First, Clean Second

Before a single drop of liquid appears, examine each disc in daylight. Hold it by the edges and the label area only — fingers on the playing surface leave oils that attract grit. Tilt the record towards the light and look along the grooves at a shallow angle. Surface dust shows as a dull grey film; scratches show as fine bright lines that catch the light.

Look specifically for these problems, because each changes how you proceed:

• Mould. White or pale grey speckling, often with a faint smell. Mouldy records should be cleaned separately and never played on a good stylus until they are spotless.
• Warping. Lay the record flat and sight across it. A gentle ripple is often playable; a pronounced dish or a sharp edge lift is not, and no amount of cleaning will fix it.
• Delamination or cracking. On very old discs, especially lacquer and some shellac pressings, the surface layer can lift. Do not wet-clean these. Dry-brush only and accept the noise.
• Shellac 78s. These are not vinyl. Never use alcohol-based solutions on shellac, as it will attack the surface.

Dry Cleaning: Removing the Bulk Safely

The biggest scratches happen in this stage, usually because someone scrubs a dry record with a cloth. Dry grit is abrasive. Instead, remove the loose material gently and repeatedly.

Place the record on your sheet and brush the surface with a soft brush, following the grooves in a circular arc rather than straight across from label to edge. Work lightly, a few rotations at a time, and tap the brush out on the sheet between passes so you are not just moving dust around. Turn the record over and repeat. Do this two or three times per side, then set the disc aside in a clean inner sleeve while you do the next one.

Once the loose debris is gone, wrap a microfibre cloth around a flat piece of card and wipe very lightly in the same circular direction. This is about lifting residue, not polishing. If the cloth comes away grey and gritty, stop and go back to the brush — you are still dealing with loose material, and pressure now will drag it along the groove wall.

Wet Cleaning, Slowly and in Stages

Only wet-clean records that are genuinely dusty or greasy, and only after dry cleaning. Use distilled water rather than tap water, which leaves mineral deposits in the grooves. A simple and widely used mix is roughly four parts distilled water to one part isopropyl alcohol, with a single drop of mild washing-up liquid per litre as a surfactant. Do not use this on shellac.

Apply the fluid sparingly with a velvet pad or a soft brush and work it along the grooves in the same circular direction, never across them. Give each side a few gentle passes, then rinse with plain distilled water and change your microfibre cloth frequently — a dirty cloth is worse than no cloth. If a record is heavily soiled, clean it, let it dry completely, then clean it again a day later rather than scrubbing harder. Gradual repetition is far kinder to fragile vinyl than one aggressive session.

Ignore the internet tricks involving wood glue, sandpaper-adjacent abrasives or kitchen sprays. On a record you actually want to keep, they cause more damage than the dust ever did.

Drying, Sleeving and a First Play

Let records air-dry on a rack or on clean, lint-free cloth, standing on edge and away from direct sun and radiators. Never stack wet records or use a hairdryer. Once dry, replace tired paper inner sleeves with anti-static polyethylene ones, keeping any printed original sleeve safely stored alongside if it matters to you.

Before that first play, clean your stylus, and listen with the volume low for the first minute or so. If you hear scraping or see the cantilever behaving oddly, stop and inspect — a cheap or worn stylus on a rescued record will carve damage that is permanent. For a collection found in a loft, patience in the cleaning is what earns you a quiet, warm sounding record instead of a noisy one.