How to clean up builders dust after a renovation
Fine renovation dust gets everywhere and keeps coming back. Here’s the order to clean in, the kit you need and the mistakes that make it worse.
Short answer
Let the dust settle, then work top to bottom and dry before wet: vacuum first, wipe with damp microfibre, then mop. Never dry sweep fine dust, and plan on two passes.
How this guide was written: The order professional builders cleans follow, adapted for a home after a renovation. More on how I choose.
In this guide
Renovation dust is finer than everyday dust. It floats, it settles on every flat surface, and it keeps coming back for days. Clean it in the wrong order and you’ll spread it around the house twice.
Here’s the order that works.
Before you start
- Wait for the dust to settle. Give it a few hours, ideally overnight, after the last tool stops.
- Ventilate. Open windows, and run fans pointing out of the house, not in.
- Turn off the air conditioning so it doesn’t pull dust through the system.
- Wear a P2 mask. Dust from cutting concrete, tiles, bricks or stone can contain silica.
- Get the right kit: a vacuum that handles fine dust (see the right vacuum for builders dust), a pile of microfibre cloths, two buckets, a mop, a step ladder and bin bags.
Step 1: Clear the big stuff
Pick up offcuts, packaging, screws and chunks by hand or with a dustpan. Big pieces jam vacuum hoses and can tear holes in them.
Step 2: Vacuum from the top down
Start high and work down, so falling dust lands on areas you haven’t done yet:
- Light fittings, fans and vents
- Tops of door frames, architraves and window frames
- Shelves, ledges, benches and sills
- Skirting boards
- Floors last
Use the brush tool on soft surfaces and go slowly. Fast passes push fine dust around instead of picking it up.
Step 3: Wipe everything with damp microfibre
Vacuuming gets most of the dust, but a fine film stays behind. Wipe every surface with a microfibre cloth that’s damp, not wet. Wring it out hard, fold it to a clean face often, and rinse in the first bucket. Swap the water as soon as it turns grey.
Wet cloths turn fine dust into a paste that streaks. Damp is the trick.
Step 4: Windows, tracks and glass
Vacuum the window and sliding-door tracks before anything wet goes in them. Then wipe the frames and clean the glass. Tracks hold a surprising amount of dust.
Step 5: Inside cupboards and drawers
Dust gets into everything, even with the doors shut. Vacuum, then wipe, inside every cupboard and drawer, including the new ones.
Step 6: Floors
- Hard floors: vacuum again, then mop with clean water and a little floor cleaner. Change the water often. Mopping before vacuuming just makes mud.
- Carpet: vacuum slowly, in two directions. If it still looks dull, a professional carpet clean will lift what’s left.
Step 7: Do it again tomorrow
Fine dust keeps settling for a day or two. A quick second pass, vacuum and damp wipe, gets what the first one missed.
Don’t forget
- Air conditioner filters. Clean or replace them once the dust is gone, or the system will blow it around for weeks.
- Your vacuum. Empty it, and clean or replace the filter. Builders dust clogs filters fast. See vacuum maintenance.
When to call a professional
For a big renovation or a new build, a professional builders clean can save you days. On the Gold Coast, my business CleansePro does builders cleans.