What to Expect During Your Floor Sanding Services

You've booked the job in, the dates are in the diary, and now there's that one nagging question: what actually happens once the van pulls up?

It's a fair thing to wonder. You're handing over a room — sometimes your whole home — to a team of strangers for a few days, and most people have never watched a floor sanding job happen from start to finish. So let's walk through it properly, the way our technicians actually work through a project, not the sanitised version.

If you haven't already, it's worth reading Professional Floor Sanding Services vs. DIY first — it covers why most people call in a floor sanding team rather than hiring a machine for the weekend. This article picks up from there: you've decided to go professional, so here's the day-by-day reality.

We Start High and Work Down, Room by Room

There's a logic to the order we work in, and it's not random. We start at the top of the property and work our way down toward the exit — so if you're having an upstairs landing, bedrooms, and a hallway done, we'll typically finish upstairs before moving down to ground floor rooms, and finish the job nearest the front door.

Why does this matter to you? Two reasons. First, dust and debris naturally travel downward and outward, so working top-down keeps re-contamination of finished rooms to a minimum. Second, it means you can start using the rooms furthest from the entrance again sooner, while we're still finishing off nearer the exit. It's a small detail, but it makes a real difference to how liveable your home stays mid-project.

When Furniture Can't Leave the Room, We Stage Around It

Ideally, every room is cleared before we arrive. But we know that's not always realistic — a heavy wardrobe, a piano, a built-in unit, or simply nowhere else to put a king-size bed. When furniture has to stay, we don't skip around it and hope for the best. We stage the room: sanding and finishing one section fully, carefully shifting the furniture onto the completed area once it's safe to do so, and then treating the section it was previously standing on.

It takes more time and coordination than an empty room, and it's something worth flagging when you book your survey or quote, so we can plan for it properly rather than discover it on the day.

Repairs Come First — Always

Before any sanding machine touches the floor, we check the boards over for anything structural that needs sorting: loose or squeaking boards, damaged sections, missing pieces, old nail heads sitting proud, or areas affected by damp or insect damage. If repairs are needed, they happen now, not halfway through.

There's a simple reason for this order. Sanding a floor with an unresolved repair just polishes a problem — you end up with a beautifully finished floor sitting on top of an issue that's still there. Get the boards sound and stable first, and everything that follows (sanding, staining, sealing) actually lasts.

Staining Samples Happen on Day One

If you're planning to stain your floor rather than keep the natural tone, we don't guess your colour and hope it works out. On the very first day, once the initial sand is done, we apply small sample patches of your chosen stain (or a shortlist of a few) directly onto your actual floor, in your actual room, under your actual lighting.

This matters more than people expect. A stain swatch in a showroom under fluorescent light can look completely different once it's soaked into your specific timber, in a room with north-facing windows or warm evening light. Testing on day one gives the stain time to dry properly and gives you time to actually live with it for a few hours before we commit the whole floor to it. If you want to change your mind, day one is the moment to do it.

Gap Filling Needs a Night to Itself

If your floor needs gap filling — common in older boards that have shrunk over the years, or parquet blocks that have moved slightly — this isn't a quick five-minute job we squeeze in between coats. The filler (whether it's a resin-and-dust mix or another compound) needs to cure properly before it can be sanded flush and sealed over.

In practice, that means gap filling is usually done and then left to sit overnight before we come back to sand it level and continue with the finish. It's one of the main reasons a gap-filling job takes a day or two longer than a straightforward sand-and-seal — the drying time genuinely can't be rushed without compromising the result. We've written more on this in our gap filling options and techniques guide if you want the fuller picture.

Primer, Then the Final Coats

Once the floor is sanded, repaired, filled and (if needed) stained, we move into finishing. If you're not staining and going for a natural, clear finish, we apply a primer coat first — this seals the bare wood, helps the final coats bond properly, and gives a more even, consistent result across the whole floor.

From there, it depends on the finish you've chosen:

Between coats — and always before the final one — we carry out denibbing, also called buffing. This is a light abrasion pass across the drying finish to knock back any tiny dust particles, fibres, or grain that's raised slightly as the coat dried. Skip this step and you'll feel it: a faint roughness under bare feet, or a slightly uneven sheen. Denibbing before the last coat is what gives a finished floor that smooth, glass-like feel rather than just a shiny one.

You'll Know What's Happening, Every Step

None of the above is much use to you if it's happening behind closed doors with no explanation. If we come across something unexpected mid-job — a repair that's bigger than it first looked, a stain that needs a second sample, boards that need longer to dry than planned — we tell you. Not after the fact, but at the point it happens, so you're never wondering why the schedule's shifted or what a particular smell or sound is about.

Bringing It All Together

A floor sanding project isn't just "sand it, then seal it." It's a sequence: assess and repair, sand top-down through the property, sample any stain on day one, fill and rest any gaps overnight, prime if needed, then build up coats of lacquer or oil with a denibbing pass before the last one seals everything in. Every stage exists for a reason, and understanding the order helps you plan your week around the work — and know what a good job is meant to look like along the way.

If you'd like to see this process reflected in real homes, our completed projects gallery is a good place to browse before your own job starts, and our FAQ page answers the other questions people usually ask once the quote's been accepted.

Got a floor in mind and want to know how this process would run in your specific home? Get in touch for a quote or site survey and we'll talk you through it room by room.