How to DIY Parquet Polishing: A Realistic Guide

What you'll actually need

• A sander — a random orbital sander is the most DIY-friendly option, less aggressive and less likely to gouge the wood than a drum sander, which professionals use but which punishes inexperience quickly.
• Sandpaper in multiple grits — typically starting coarse (60–80 grit) to remove the old finish, then progressively finer (120, then 150–180) for a smooth final surface.
• A vacuum and tack cloth for thorough dust removal between grits and before finishing — skipping this is one of the most common causes of a gritty, uneven final coat.
• Wood filler matched to your floor's tone, for any small gaps or nail holes exposed during sanding.
• Your chosen finish — oil-based or water-based varnish, plus the correct applicator (brush, roller, or lambswool applicator depending on the product).
• Proper ventilation and a respirator mask, especially with oil-based products.

The steps, realistically

1. Clear and prep the room completely. Furniture, rugs, curtains — everything out. Tape off skirting and door frames you don't want sanded or stained.

2. Sand progressively through grits. Start coarse to remove the existing finish evenly, then move through finer grits. Sand with the grain, and keep the sander moving — pausing in one spot even briefly can gouge a visible dip.

3. Vacuum and tack thoroughly between every grit change. Leftover dust from a coarser grit will scratch as you move to a finer one, undoing the smoothness you just achieved.

4. Fill any gaps or holes once sanding is done, then lightly re-sand the filled areas flush once dry.

5. Apply your chosen finish in thin, even coats, working away from your exit point so you don't paint yourself into a corner. Allow full drying time between coats, and lightly sand between coats for the best adhesion.

DIY vs. professional, by the numbers

When DIY genuinely makes sense

• Small, low-visibility areas — a closet floor or utility room is a reasonable place to practice before attempting a main living area.
• You have solid, thick-wear-layer parquet — a beginner's uneven sanding is more forgiving on solid timber with margin to spare than on a thin engineered veneer.
• You genuinely have a full weekend and are prepared for it to take longer than planned — rushed drying time is a common cause of tacky, imperfect finishes.

Where we'd stop you: engineered floors with unknown veneer thickness, any floor with existing damage beyond simple dullness, and main living areas where an uneven result is hard to live with until the next full refinish. That's genuinely where professional equipment and experience earn their cost — not because DIY is impossible, but because the failure modes above are expensive to fix once they've happened.