Subfloor Preparation Services in London
Subfloor preparation is the most important step before installing your floor. We create a smooth and dry base so your new flooring lasts longer.
At ROI Flooring, we serve homes and businesses across London with expert subfloor services.
Bad subfloors cause cracked tiles, squeaky boards, and poor results. Our team uses tools like self leveling compound, DPM sealers, and plywood boards to fix that.
We prepare your surface the right way before any floor goes in.
What We Include
- - DPM sealing to block moisture
- - Self leveling concrete over concrete
- - Plywood and chipboard overlays
- - Soundproof mats for busy areas
- - Hardwood floor subfloor prep
- - Karndean subfloor preparation
- - LVP subfloor prep
- - Preparing subfloor for laminate flooring
Floor Types We Support
We adjust based on your flooring.
Preparing subfloor for laminate flooring means flat, dry, and clean surfaces.
LVP subfloor prep must be smooth so planks stay in place.
Karndean subfloor preparation needs high detail and approved layers.
Whether it’s concrete subfloor prep or wood, we match the right method to your space.
You’ll get a clean, ready surface — no guesswork.
DIY vs Professional Subfloor Preparation?
DIY Subfloor Prep
- Budget-friendly
- Time-consuming and physically demanding
- Risk of uneven leveling or moisture problems
- May void flooring warranty if not done right
Professional Prep (ROI Flooring)
- Guaranteed level and dry surface
- Fast, clean, and code-compliant
- Suitable for all flooring types
- Includes DPM, acoustic, and other compounds
Our Subfloor Preparation Procedure
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Step 1: Subfloor Assessment
We inspect your subfloor for cracks, dips, moisture, or uneven surfaces before starting. This ensures the correct subfloor preparation method is used. -
Step 2: Moisture Testing & DPM Application
If required, we apply a damp-proof membrane (DPM) to protect your new flooring from moisture. This is critical in concrete subfloor prep. -
Step 3: Surface Leveling
We apply high-quality self leveling compound over concrete or wooden bases to eliminate bumps and low spots. -
Step 4: Overlay with Plywood or Chipboards
For wood floors or floating installations, we install plywood sheets or acoustic chipboards to create a stable base. -
Step 5: Soundproofing (Optional)
For flats or upper floors, we can add acoustic underlay or soundproof mats as part of the subfloor prep. -
Step 6: Final Prep for Floor Type
We finalize the surface depending on your flooring choice — whether it’s LVP, laminate, Karndean, or engineered wood.
Why Pick ROI Flooring?
- 10+ years of experience
- Based in London
- Guaranteed work
- Friendly, honest advice
Free Subfloor Check
Your new floor needs a solid base.
We’ll check your subfloor for free and tell you what’s needed.
Our subfloor preparation services are fast, clean, and done right.