How to Prepare Your Home for Professional Floor Sanding

Getting your floors sanded is exciting. It means saying goodbye to scratches, dull patches, and years of wear. But before the professionals arrive, your home needs to be ready. This is to avoid  unnecessary mess, damage, and delays. The smoother the preparation, the faster the job gets done. That means fewer disruptions, better results, and a hassle-free experience.

This guide will take you through everything, step by step. 

Scheduling the Floor Sanding 

Timing is everything. Pick the wrong moment, and you’ll be dodging sanding machines while trying to cook dinner. This also extends to climate conditions since they affect how the wood reacts to the environment. 

When is the Best Time for Floor Sanding?

Most professionals agree—warmer months are ideal for sanding. Humidity levels are lower, and drying times for finishes are faster and more predictable. If you schedule sanding in winter, expect longer drying times. Cold weather slows down the curing process, sometimes by several days.

Spring and summer? Great options. Open windows speed up drying, and you can spend time outside while the work happens. But these seasons are peak times for professionals, so book well in advance.

If you want the quickest turnaround, avoid Christmas, Easter, or school holidays. Many homeowners book during these periods, which means limited availability and potential price hikes.

How Long Will Floor Sanding and Refinishing Take?

That depends. A single room (around 20 square metres) takes 1-2 days. A whole house? Anywhere from 3 to 7 days, depending on the size and condition of the floors.

Here’s what affects the timeline:

• Size of the space – Larger areas take longer, obviously.
• Condition of the floors – If they’re deeply scratched or uneven, sanding takes extra time.
• Type of wood – Hardwoods like oak take longer than softer woods like pine.
• Number of coats applied – More coats mean longer drying times.

Oil-based finishes take up to 48 hours per coat to dry. Water-based finishes? Faster—they dry within 4 to 6 hours. But even after the last coat, you shouldn’t move furniture back for at least 48 hours.

Will You Need to Leave Your Home?

Not necessarily. But if you have allergies, asthma, or pets, staying elsewhere might be better. With dust-free floor sanding, risks are reduced. The smell of sealants and finishes can also be overpowering, especially if you’re sensitive to strong odours.

If you work from home, expect constant noise from sanding machines. They aren’t subtle. If peace and quiet are a priority, find another workspace for a few days.

Got kids? Keeping them away from sanding areas is crucial. Sanding machines are dangerous. Freshly sealed floors are easily damaged. The last thing you want is tiny footprints imprinted into the finish.

Plan Ahead and Avoid Stress

• Book professionals at least a month in advance, especially in summer.
• Arrange accommodation if you need to stay elsewhere.
• Create a dust-free space for pets, away from the work zone.
• Plan your schedule around the sanding—no last-minute dinner parties!

Clearing the Space

Floor sanding is messy. Dust will get everywhere if you don’t prepare properly. The more clutter in the room, the harder it is to get a smooth finish.

If you leave furniture behind, expect uneven sanding, awkward workarounds, and potential damage. Professionals need clear, open space to do the job right. That means everything needs to go—furniture, rugs, curtains, and anything that could get in the way.

Moving Furniture Without Causing Damage

Dragging heavy furniture is a terrible idea. It can scratch the floor before sanding even starts. If you’re dealing with solid oak tables or bulky sofas, lifting is the only way to go.

• Use furniture sliders

  – These reduce friction and prevent scratches. Plastic sliders work on carpet, while felt ones are best for wood.

• Lift from the legs

  – Avoid grabbing furniture from the top, which can cause tipping.

• Empty drawers and shelves

  – A lighter load means less strain and fewer accidents.

• Get help

  – Two people moving a table is smarter than one person struggling.

Some floor sanding Dublin companies also offer furniture-moving services for an extra charge.

Where to Store Furniture During Sanding

Once everything is out of the room, you’ll need somewhere to keep it. Leaving furniture in a nearby hallway might seem like an easy fix, but it’s risky. Dust can travel, and stacked furniture could get in the way of workers.

Here are your best storage options:

• A garage or shed

  – If you have space, this keeps items dust-free.

• Another room

  – Stack furniture neatly in an unused space, away from the work zone.

• Short-term storage rental

  – If you’re sanding multiple rooms, it may be worth renting storage.

• Seal furniture under dust sheets

  – If storage isn’t an option, cover items tightly with plastic.

Whatever you do, don’t leave anything on the floor. It won’t just get in the way—it could also get covered in dust or damaged.

Removing Decorations, Wall Hangings, and Fragile Items

Sanding machines vibrate. And when floors shake, so do walls. Anything hanging up is at risk of falling.

• Take down paintings, mirrors, and framed photos

  – Even if they seem secure, it’s not worth the risk.

• Remove shelves with fragile items

  – Or at least move delicate objects elsewhere.

• Pack away vases, ornaments, and breakables

  – Dust can settle on everything, even in closed cabinets.

Ceiling fixtures are often overlooked, but they’re just as vulnerable. If you have chandeliers or hanging lights, check that they’re tightly secured. If not, consider covering them with plastic or temporarily removing them.

Curtains, Blinds, and Soft Furnishings

Soft fabrics trap dust easily. If you leave curtains or blinds hanging, expect them to be covered in fine wood particles by the end of the sanding process.

• Take down curtains and store them elsewhere.
• Roll up and remove rugs completely.
• If blinds can’t be removed, wrap them in plastic.

Protecting Non-Floor Areas

Dust has a way of travelling. You can limit its impact though.

Sealing Off Doorways and Openings

Dust  finds its way through the smallest gaps, coating every surface it meets. If a door isn’t sealed properly, expect to find dust in rooms far away from the sanding area.

• Cover doorways with plastic sheeting

  – Tape it tightly from top to bottom. If professionals need access, install a zippered dust barrier.

• Seal gaps under doors

  – Use painter’s tape or rolled-up towels. Even a 2mm gap lets dust through.

• Close off unused rooms

  – If a space isn’t being sanded, keep it shut.

Covering Windows and Light Fixtures

Sanding kicks up fine dust that can cling to glass, blinds, and even light fittings. If left unprotected, you might find yourself wiping down surfaces for weeks.

• Use plastic wrap or dust sheets over windows

  – This prevents a sticky layer of dust from forming.

• Remove lampshades

  – If left exposed, fabric shades absorb dust and become a nightmare to clean.

• Cover hanging lights

  – Sanding vibrations could loosen fixtures, so it’s best to secure them.

Light fittings with multiple small surfaces, like chandeliers, are especially hard to clean after sanding. A simple dust sheet over them now can save you hours of wiping later.

Protecting Cabinets, Worktops, and Built-In Storage

If your home has open shelving, kitchen cabinets, or built-in wardrobes, they’re at risk. Even a light layer of dust can be difficult to remove from small crevices.

• Cover all open shelves with plastic sheets

  – Tape them securely so dust doesn’t settle on dishes or books.

• If cabinets don’t have doors, seal them up

  – Otherwise, expect dust inside every drawer.

• For kitchen worktops, use thick sheets or cardboard

  – This stops dust from creeping into cracks and damaging appliances.

Turning Off HVAC Systems and Protecting Air Vents

Your heating and cooling system could spread dust throughout your home without you realising. If air vents aren’t sealed, fine particles will circulate through ducts and settle everywhere.

• Turn off air conditioning and heating before sanding starts.
• Cover vents with plastic and secure them with tape.
• If possible, replace air filters after sanding.

Neglecting this step means you might breathe in fine wood dust long after sanding is done. It can also clog vents and make your system work harder, leading to unnecessary maintenance.

What About Electronics?

Dust and electronics don’t mix. Fine particles can clog vents, damage circuits, and shorten the lifespan of your devices. If you leave them exposed, be prepared for extra cleaning—or worse, repairs.

• Move TVs, speakers, and computers out of the sanding area.
• If that’s not possible, cover them completely with plastic.
• Don’t just rely on dusting afterwards—it won’t get into small gaps.

Laptops, gaming consoles, and other devices with cooling fans are especially vulnerable. Once dust gets inside, it’s nearly impossible to remove without professional cleaning.

Pre-Sanding Floor Repairs

Before the professionals arrive, find every flaw. Some are easy to spot. Others hide in plain sight until they ruin the final result.

Checking for Damage

You don’t need special tools to check the entire floor—just a sharp eye and a bit of patience.

1. Walk across the entire room.

   Listen for creaks and feel for movement underfoot.

2. Look for visible cracks, splinters, or gaps.

   Run your fingers along the edges of the boards.

3. Use a torch at floor level.

   This will highlight raised or sunken areas that need fixing.

4. Check along the walls and corners.

   Damage often hides in less obvious spots.

5. Run a flat object (like a ruler) across the floor.

   This reveals uneven boards that may need attention.

Key issues to focus on include:

Loose, Cracked, or Broken Floorboards

A loose board is more than an annoyance. If it shifts underfoot, it’ll shift under the sander too. That can cause uneven sanding, deep gouges, or damage to the machine itself.

Here’s what to check:

• Boards that creak or move when you step on them.
• Cracks that could widen under pressure.
• Splintered wood that could break off during sanding.

Press on individual boards with your foot. If a board dips, lifts, or rocks, it’s loose. Check along walls and corners. Edge boards often move more than central ones.

If a board is completely broken, it needs replacing. Minor cracks can sometimes be filled, but larger ones should be fixed before sanding begins.

Warping and Uneven Surfaces

Floors should be flat and level. If they aren’t, the sander won’t be able to smooth out inconsistencies. You’ll end up with dips, ridges, and a finish that looks patchy.

Run your hand across the floor. If you feel raised edges or sunken areas, you’ve got a problem. Uneven boards can be caused by:

• Moisture damage

  – Spills, leaks, and high humidity cause wood to swell or shrink.

• Poor installation

  – Badly fitted boards create gaps and raised edges.

• Old house movement

  – Natural settling over time leads to shifting floors.

For minor warping, sanding might be enough. But for anything severe, the boards might need securing, adjusting, or replacing before work begins.

Nails and Staples Sticking Out

Loose nails and staples can destroy sanding belts in seconds. If a professional runs into one, it can rip the abrasive paper, scratch the floor, or even cause sparks.

Check every part of the floor for:

• Raised nails that catch your foot.

• Old staples left behind from carpets.

• Loose floorboard nails that need hammering down.

Fixing Loose Boards

Once you’ve identified the problem areas, it’s time to secure them. There are two main ways to do this—nails or screws.

1. Using Nails to Fix Loose Boards

Nails are a quick fix, but they have a downside. Over time, they can work loose again, especially in high-traffic areas. If you’re dealing with a lightly moving board, they might do the job, but for a permanent fix, screws are better.

If using nails:

• Choose ring-shank nails.

  These grip better and don’t pull out as easily.

• Use a nail punch to sink them slightly below the surface.

  This stops the sander from catching on them.

• Space nails evenly along the board.

  One at each end, and one every 30cm in between.

2. Using Screws for a Stronger Hold

Screws hold floorboards in place far better than nails. Once they’re in, they won’t budge. They’re the best choice for boards that move significantly.

If using screws:

• Use countersunk wood screws.

  They sit flush with the wood, preventing bumps.

• Drill pilot holes first.

  This prevents splitting, especially in older wood.

• Screw into the joist beneath the board.

  If you miss, the board won’t be properly secured.

A loose board is a weak point in your floor. If one moves, others nearby may start shifting too. Securing them now saves time and hassle later.

Fixing Squeaky Floorboards

Squeaks happen when boards rub against each other or against nails and joists. The more movement, the worse the sound.

Before you do anything, find the exact source of the squeak.

1. Walk slowly over the noisy section.
2. Listen for where the sound is loudest.
3. Press the board with your foot. If it moves, it needs securing.
4. If the board doesn’t move but still squeaks, the noise is coming from friction between boards.

Once you’ve pinpointed the problem, fixing it is straightforward.

1. If the Board is Loose: 

Use screws to fasten it to the joist, following the method above. A secured board won’t move, so it won’t squeak.

2. If the Squeak is from Friction:

• Sprinkle talcum powder or powdered graphite into the gaps.

  It lubricates the wood and stops the noise.

• If the gap is large, use a wood shim.

  Tap it gently into the space to stop movement.

• For wide gaps, apply wood glue and clamp the boards together.

  This prevents them from shifting against each other.

Filling Gaps, Cracks, and Holes 

Gaps collect dirt, cracks weaken the floor, and holes ruin the finish. If you want smooth, even results, every flaw needs fixing.

Choosing the Right Filler

Not all fillers work for all gaps. Using the wrong one leads to cracks, shrinkage, or a mismatched finish. Here’s what works best for different issues:

1. Gaps Between Floorboards

Gaps appear when wood expands and contracts with humidity changes. Some floors develop small, natural gaps, while others have noticeable spaces.

Best fillers:

• Wood slivers

  – Thin strips of real wood glued into the gaps. They blend seamlessly and last longer than synthetic fillers.

• Resin-based filler mixed with sawdust

  – Matches the exact colour of your floor. Ideal for narrow gaps under 5mm.

• Flexible gap filler

  – Expands and contracts with the wood. Good for older floors with seasonal movement.

Avoid standard wood filler in large gaps. It shrinks and cracks over time.

1. Cracks in Floorboards

Cracks are different from gaps. They often appear from heavy furniture, sharp impacts, or weakened wood.

Best fillers:

• Wood putty

  – Good for small surface cracks but stays slightly soft.

• Epoxy filler

  – Hardens fully, making it great for larger cracks.

• Glue and sawdust mix

  – Natural-looking but not suitable for deep cracks.

Cracks longer than 8cm may indicate a weak board. If so, replacement is a better option.

1. Small Holes from Nails or Old Fixtures

Old nail holes and screw marks are distracting after sanding.

Best fillers:

• Pre-coloured wood filler

  – Comes in various shades to match your wood type.

• Wax filler sticks

  – Quick fix, great for finishing touches after sanding.

If the hole is deeper than 5mm, use layered applications of filler rather than one thick blob. It prevents shrinkage.

How to Apply Filler Correctly

1. Clean out gaps and cracks first.

   Remove dust, debris, or old filler that’s crumbling.

2. Press the filler firmly into place.

   Use a filling knife or flexible scraper for an even spread.

3. Overfill slightly.

   Wood filler shrinks when drying, so add a little extra.

4. Let it dry fully.

   Drying times vary—some fillers take 30 minutes, others need 24 hours.

5. Sand it down smoothly.

   Once dry, use fine sandpaper to level the surface.

When Filling Gaps is a Bad Idea

Some floors need gaps for movement. If you fill the wrong ones, boards can warp when they naturally expand.

• Avoid filling gaps wider than 5mm unless using wood slivers.
• If your floor moves a lot with the seasons, use a flexible filler.
• Gaps along the edges of rooms should be left open for natural expansion.

 

Protecting Baseboards, Trim, and Walls 

Floor sanding isn’t gentle. Machines vibrate, dust spreads, and if you’re not careful, trim and walls get damaged. A few simple precautions save you from repainting or replacing parts of your home later.

Baseboards Take the First Hit

If left unprotected, baseboards collect dust, scratches, and even accidental knocks from sanding machines. Once the job is done, you’ll see the damage—a thin layer of dust settled into every groove and potential scuffs along the bottom edges.

How to protect them properly:

• Apply painter’s tape along the top edge of the baseboards.

  This stops dust from sticking to the finish.

• Use a second strip along the bottom edge.

  It acts as a barrier against stray sander contact.

• If you want extra protection, cover them with plastic sheets.

  Tape the sheets down tightly to stop dust slipping underneath.

Door Trims and Skirting Boards Aren’t Safe Either

If sanding machines get too close to door trims, expect scuffs, dents, or even small chips in the wood.

Here’s what to do:

• Run painter’s tape along all door trims.

  A wide strip offers more protection.

• Wrap skirting boards with plastic if they’re delicate.

  If your trim is old or painted, this prevents surface damage.

• For extra safety, place foam padding along the edges.

  This absorbs any impact from sanding equipment.

A sanding job should improve your floors—not leave your door frames looking worse than before.

Walls Can End Up Covered in Dust

Even if sanding is dust-free, fine particles still settle on walls. If your paint is textured or slightly glossy, dust will cling like static.

Here’s how to stop it:

• Wipe walls with a damp microfibre cloth before sanding starts.

  Dust sticks less to clean surfaces.

• If you’re repainting soon, wait until after sanding.

  Fresh paint traps dust, ruining the final look.

• Use plastic sheets on walls closest to the sanding area.

  Tape them securely to avoid movement.

Corners and Edges Need Special Attention

Corners collect hidden dust and take unexpected knocks. If the sanding machine gets too close, it can strip paint, scratch surfaces, or even chip plaster.

To protect corners:

• Stick painter’s tape along all sharp edges.

  This reduces direct sanding contact.

• For high-risk areas, add corner protectors.

  Foam, cardboard, or even folded paper can work.

• Vacuum corners regularly during sanding.

  Less dust buildup means less chance of it spreading later.

Pet and Child Safety Considerations

Most pets hate loud noises. The sound of sanding machines is louder than a vacuum cleaner. If your pet runs when you turn on the hoover, they’ll hate the sanding process even more.

Then there’s the dust. Even with dust-free sanding, fine particles can linger in the air. Pets breathe closer to the ground, making them more likely to inhale dust. This can irritate their lungs, trigger allergies, or cause sneezing fits.

Some pets react badly to strong smells. Floor finishes, stains, and sealants release fumes that can be overwhelming. Dogs, cats, and small animals like rabbits have sensitive noses. Exposure to these chemicals can make them sick.

Where Should Pets Stay During Sanding?

The safest option? Keep them out of the house.

• If possible, take them to a friend or family member’s home.
• Book them into a pet daycare or boarding facility for a couple of days.
• If they must stay at home, confine them to a room far from the sanding area.

If keeping them inside, block off vents and doorways properly to reduce dust exposure. Place their food, water, and bedding somewhere quiet. Check on them regularly to make sure they aren’t stressed.

For smaller pets like hamsters, birds, and fish, relocate their cages or tanks to another part of the house. If fumes from sealants will be used, cover tanks and cages with breathable fabric to reduce exposure.

Children and Floor Sanding – What You Need to Know

Kids are naturally curious. That’s a problem when you have sharp tools, exposed nails, and heavy machinery in the house. If they wander into the work zone, accidents can happen fast. And if your child has asthma, they should stay completely away from the sanding area.

How to Keep Kids Safe During Floor Sanding

If possible:

• Arrange for them to stay with family or friends.
• Plan a day out while sanding takes place.
• Book a childcare facility if sanding will take more than one day.

If staying home is the only option:

• Keep them in a sealed room far from the work area.
• Use plastic barriers and painter’s tape to block off doorways.
• Make sure they have a safe, dust-free play area.

Children under five years old are particularly at risk. Their lungs are more sensitive, and they explore with their hands and mouths. If dust settles on toys or furniture, they could accidentally ingest it.

Setting Up a Safe Play Area

If keeping children at home, you need a controlled, dust-free space for them.

• Choose a room far from the sanding area.
• Seal vents and doorways to stop dust from getting in.
• Move toys, books, and soft furnishings away from dust exposure.
• Use an air purifier to keep the space cleaner.

If your child needs to pass through the work area, make sure they wear a mask. Dust particles are fine enough to float in the air for hours. A quick walk through a dusty room can still expose them to irritants.

Extra Safety Measures for Pets and Kids

• Tell the sanding team about any pets or children in the house. They’ll be extra careful with open doors and equipment.
• Check for loose nails or splinters before letting pets or children back in. Even a small nail can cause injury.
• Don’t let kids or pets near drying sealants. Many wood finishes release fumes for up to 48 hours after application.

Sanding and sealing floors should never put your loved ones at risk. Taking these precautions means a stress-free experience for everyone.

Ensuring a Safe Working Environment for Professionals 

Now for the contractors who will come over to carry out the job.

Electrical Safety

Sanding machines are power-hungry beasts. They run at high speeds, generate heat, and need a stable power supply. If your wiring isn’t up to the task, expect blown fuses, overheating sockets, or worse—electrical hazards.

Is Your Electrical System Ready for Sanding Equipment?

Most professional sanding machines require 230V power with a 13-amp plug. That’s standard for Dublin homes, but older properties might struggle with the demand.

Before sanding begins, check the following:

• Are your sockets in good condition?

  Cracked casings, loose fittings, or exposed wiring are all warning signs.

• Is your fuse box outdated?

  If it hasn’t been upgraded in decades, it might not handle the load.

• Do your sockets overheat when using heavy appliances?

  If so, sanding machines could trip your circuit.

If any of these issues exist, call an electrician before sanding starts. Ignoring them could lead to electrical failures mid-job.

Avoid Overloading Circuits

Sanding machines aren’t the only devices running. Industrial vacuums, work lights, and power tools add to the electrical load. Plugging them all into the same circuit could trip your breakers or cause power loss.

• Check your circuit breaker rating. Standard homes run on 32-amp circuits, but if you have older wiring, it might be lower.
• Use separate sockets for different machines. Plugging everything into one outlet is a recipe for disaster.
• If necessary, run an extension from another room. This helps spread the electrical load across different circuits.

Extension Cords 

Most professionals bring their own power leads, but if they need an extension cord, it must be the right type. Cheap, thin cables aren’t designed for high-powered machines. They overheat, melt, or even catch fire under prolonged use.

Use only:

• Heavy-duty extension leads rated for at least 13 amps.
• Cables with surge protection to prevent voltage spikes.
• Shorter cords where possible—long cables increase resistance and cause voltage drops.

Never run extension leads under carpets, through doorways, or across walkways. A single misplaced step can damage the cable or trip someone mid-job.

Check for Loose Wiring and Exposed Cables

Old or faulty wiring is dangerous—especially when sanding machines create vibrations. A loose connection might not seem like a problem, but under heavy electrical load, it could spark or fail.

Here’s what to check:

• Look for frayed wires around plug sockets. Any exposed copper means the wire is unsafe.
• Check if sockets feel loose when plugging something in. A wobbly outlet could mean internal wiring issues.
• Listen for buzzing sounds near outlets. This could indicate arcing—a fire hazard.

If you spot any of these problems, turn off power to that socket immediately and call an electrician.

Keep Cables Out of the Sanding Area

Trailing cables are an accident waiting to happen. If a sanding machine snags a wire, it could damage the equipment, trip the user, or pull a plug out mid-job.

• Route cables along walls, not across walkways. Keep them away from foot traffic.
• Tape down any loose leads. This prevents tripping hazards.
• Never place wires near sanding dust. Fine wood particles can be highly flammable if exposed to sparks.

Clear Pathways for Sanding Equipment 

Sanding machines aren’t small. They’re bulky, heavy, and need space to move freely. If the professionals don’t have clear access, expect delays, frustration, and a harder job overall.

The last thing you want is a sanding team squeezing past furniture, dodging cables, or wrestling machines through tight doorways. If they don’t have a smooth path, neither will your floor.

Entryways and Hallways Must Be Obstacle-Free

The professionals need to get their equipment inside first. If the path to the sanding area is blocked, the job won’t start on time.

• Clear hallways leading to the work area. No shoes, coats, or storage boxes in the way.
• Move side tables, plants, and anything that sticks out. Narrow walkways make moving heavy equipment harder.
• If you have rugs or mats, roll them up. They create tripping hazards when carrying machinery.

If access is difficult, professionals might have to lift or tilt their machines, which increases the risk of damaging door frames and walls.

Move Heavy Objects Well in Advance

The team will need to work near skirting boards, door trims, and tight corners. If large furniture is left behind, it limits their reach and results in uneven sanding.

• Shift large furniture out of the work area before they arrive. Waiting until the last minute slows everything down.
• If moving isn’t possible, place furniture against walls, away from the sanding zone.
• For extremely heavy pieces, use furniture sliders to avoid scratching floors.

If something absolutely can’t be moved, let the team know. They may have workarounds, but they can’t stand what they can’t reach.

Ensure Easy Access to Power Outlets

Sanding machines, industrial vacuums, and work lights all need power. If the team has to search for sockets, run long extension cables, or share a single outlet, the job takes longer.

• Identify the nearest sockets to the sanding area. If they’re hidden behind furniture, make them accessible.
• Check that sockets work. A broken outlet isn’t helpful in the middle of a job.
• Keep extension cords ready if needed. But use heavy-duty ones, not thin household cables.

If outlets are far from the sanding area, professionals might need to run cables through other rooms. Plan ahead so no one trips over them.

Don’t Forget Staircases and Landings

If sanding upstairs, getting equipment up the stairs safely is crucial.

• Keep stairways completely clear. No shoes, baskets, or clutter left on steps.
• Secure loose handrails or wobbly banisters. Sanding teams often carry heavy machines up staircases—they need something sturdy to hold onto.
• If there’s a small landing, make sure it’s empty. It needs to be a proper workspace, not a storage area.

How to Prepare Your Home for Professional Floor Sanding