Floor screeding is an essential part of creating a smooth, durable base for flooring. While a properly installed floor screed can last for years, wear and tear, environmental factors, or poor application can lead to issues that require attention. Ignoring these problems could lead to more significant damage, higher repair costs, and even safety hazards.
In this post, we’ll discuss the key signs your floor screed needs repairs and what you can do to restore it.
Visible Cracks in the Screed
What to Look For:
- Hairline cracks running across the surface.
- Wider cracks that indicate structural issues.
Causes:
- Poor installation or improper mix ratios.
- Rapid drying or exposure to temperature extremes.
- Excessive loads or vibrations.
Solution:
- For minor cracks, apply a screed repair compound or epoxy resin.
- For larger or deeper cracks, consult a professional to assess whether the screed needs partial or complete replacement.
Uneven or Sinking Areas
What to Look For:
- Dips, bumps, or uneven surfaces in the floor.
- Pooling of water in specific areas.
Causes:
- Poor levelling during installation.
- Inadequate support or subfloor preparation.
- Substrate movement or settling.
Solution:
- Use a self-levelling compound to correct minor unevenness.
- For more significant sinking or structural issues, the screed may need to be removed and re-laid.
Dusting or Powdery Surface
What to Look For:
- A fine, powdery residue on the surface of the screed.
- Screed that feels weak or crumbles under pressure.
Causes:
- Insufficient curing or incorrect water-to-cement ratio.
- Over-trowelling during installation.
Solution:
- Apply a screed hardener or surface sealer to strengthen the top layer.
- If the problem persists, the screed may require reapplication.
Screed Lifting or Delamination
What to Look For:
- The screed lifting or detaching from the subfloor.
- Hollow sounds when tapping the screed surface.
Causes:
- Poor adhesion to the substrate.
- Moisture ingress weakening the bond.
- Incorrect application of bonding agents.
Solution:
- Remove the affected areas and reapply the screed using appropriate bonding materials.
- Address any moisture issues to prevent recurrence.
Preventative Tips to Avoid Screed Repairs
- Hire Professionals: Always choose experienced installers for your screed application.
- Ensure Proper Curing: Allow sufficient time for curing before applying any loads or finishes.
- Use Quality Materials: Opt for high-quality screed mixes and bonding agents.
- Control Environmental Factors: Protect the screed from temperature extremes and moisture during installation and curing.
Conclusion
A well-maintained screed is essential for a stable and durable floor. Regularly inspecting your screed for signs of damage and addressing repairs promptly can prevent costly issues and keep your floors in excellent condition.
If you notice any of the signs mentioned above, don’t wait—take action to repair your floor screed and ensure it continues to perform its role effectively.
Take a look at our most recent screeds
Follow our socials