How to Prepare Wooden Floors for Wood Stain or Treatment
Thinking about restoring your wooden floors? Before you choose a colour or pick up a brush, there’s one step that matters more than anything else: preparation.
Get this right, and your wood stain will look smooth, even, and professional. Get it wrong… and you could end up with patchy colour, visible scratches, and a finish that never quite feels right.
The good news? Preparing your floors doesn’t have to be complicated. In this guide, we’ll walk you through exactly how to prepare wooden floors for wood stain or treatment - so you get the best possible results.
Why Preparation Matters
Wood stain doesn’t hide imperfections - it highlights them. That means any scratches, uneven sanding, or leftover dust will show through in your final finish.
Taking the time to prepare your floor properly will:
· Help your wood stain absorb evenly
· Improve the overall finish
· Increase durability and longevity
Get this stage right, and everything else becomes much easier.
Step 1: Do You Need to Sand Floors Before Staining?
In short, yes. Sanding creates a smooth, clean surface that allows wood stain to absorb evenly across the entire floor.
Preparing Old Floorboards
Older floors often come with old finishes (varnish, wax, or paint), scratches and wear and uneven surfaces.
To prepare them properly:
· Start with a coarse grit (around 60 grit) to remove old coatings
· Move to a medium grit (80–100 grit) to smooth things out
· Finish with a fine grit (around 120 grit) for a smooth surface
· Always sand along the grain
This process brings the wood back to a fresh, workable surface ready for staining.
Preparing New Floorboards
New wood might look ready, but it rarely is. Even new boards can have machine marks, surface inconsistencies and create uneven absorption.
A light sand will help to improve stain absorption prevent streaks and overall create a more consistent finish.
Top Tip: Lightly dampen the wood before your final sand. This raises the grain slightly, allowing you to smooth it back for a better end result.
Step 2: Clean Your Floors Thoroughly
Once sanding is complete, cleaning is just as important for a professional looking result.
Dust left behind can:
· Affect how wood stain is absorbed
· Create a rough texture
· Ruin your final finish
Make sure to:
· Vacuum thoroughly (including edges and gaps)
· Wipe down with a damp or tack cloth
· Allow the floor to fully dry
Step 3: Consider Using a Pre-Conditioner
If you’re aiming for a more even finish - especially on softwoods - this step can make a big difference.
A pre-conditioner helps to:
· Partially seal the wood
· Reduce blotching
· Allow wood stain to absorb more evenly
It’s particularly useful when working with pine or other porous woods, or when using lighter shades of wood stain. If you’re after a cleaner, more consistent look this step may be for you. If you prefer a more natural or varied finish, you may choose to skip this step.
Step 4: Get Ready for Colour and Protection
Once your floors are fully prepared, you’re ready for the exciting part - adding colour and protection.
This usually involves:
· Applying a wood stain to achieve your chosen look
· Sealing with a durable varnish to protect against wear and tear
Top Tip: great results come from combining good preparation with proper application.
Final Thoughts
Preparing your wooden floors is the foundation of your entire project. It might take a little extra time, but it ensures a smoother finish with better colour results. And ultimately, a floor you’ll be proud of.
Ready to Get Started?
At Littlefair’s, we’ve developed a range of products designed to make every step simple – to help you Prepare, Stain, Protect.
Plan your dream project with confidence and explore our flooring range today.