Southern California's Commercial Flooring Authority — Serving LA, Orange County & Riverside

Subfloor Repair & Leveling

Subfloor Repair & Leveling

The most critical step for a lasting floor installation.

The Foundation of Quality Flooring

Your new flooring is only as good as the subfloor underneath it. An uneven, damaged, or squeaky subfloor will eventually cause your beautiful new hardwood or vinyl to fail—leading to cracked tiles, separated planks, or annoying noises.

At DuraRoots, we are experts in subfloor pathology. Whether it's leveling a wavy concrete slab in an Orange County condo or replacing rotted wood in a vintage Los Angeles bungalow, we ensure the foundation is perfect before a single plank is laid.

Why Subfloor Prep Matters

Prevents new flooring from squeaking or failing
Ensures a perfectly flat surface for installation
Addresses hidden moisture or termite damage
Strengthens the structural integrity of your floor
Critical for warranty compliance on new floors

Solutions We Provide

Concrete Leveling

Grinding high spots and using self-leveling compounds for low areas.

Squeak Repair

Re-securing loose plywood to joists with screws to stop movement.

Our Repair Process

1

Assessment

Using laser levels and moisture meters to diagnose issues.

2

Securement

Screwing down loose plywood to joists to eliminate squeaks.

3

Leveling

Grinding high spots (concrete) or sanding seams (wood).

4

Filling

Applying self-leveling compound to low spots for flatness.

5

Replacement

Cutting out and replacing rotted or damaged subfloor sections.

Signs You Need Subfloor Repair

  • Floors squeak or creak when walked on
  • Visible dips, humps, or slopes in the floor
  • Previous water damage or soft spots

More Information

Related Reading

Why DuraRoots?

We never cover up a problem. We perform laser-level assessments on every job to ensure your subfloor meets the manufacturer's flatness tolerance requirements.

Build on a Solid Foundation