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Carpentry

How to Fix a Laminate Flooring Gap

Last updated: 4 September 2026

Quick Answer

Use a tapping block to close the gap, or use a gap filler.

Overview

Gaps in laminate flooring can be unsightly. This guide covers fixing gaps between laminate planks.

Step-by-Step Fix

Safety & Preparation

Before beginning any repair, ensure you have isolated power or water supplies. Clear your workspace, gather standard hand tools, and wear appropriate personal protective equipment (PPE).

  1. Begin by examining the gap to see if the plank can simply be nudged back into place; position a tapping block against the edge of the plank that needs to move and gently tap it with a rubber mallet. Listen for the click of the interlocking mechanism and check that the gap has closed fully before proceeding.
  2. If the gap is too wide to be closed by tapping, or if the planks are already tight against a wall, you'll need to use a colour-matched laminate floor filler. Select a filler that closely matches the tone and pattern of your laminate to ensure the repair is as inconspicuous as possible.
  3. Carefully apply the chosen filler directly into the gap, ensuring it penetrates well into the void. Immediately use a damp cloth or a plastic spatula to wipe away any excess filler from the surface of the laminate planks, preventing it from drying on the floor and making removal difficult.
  4. Allow the filler to dry and cure completely according to the manufacturer's instructions, which are usually found on the product packaging. Do not walk on or place heavy objects on the repaired area during this drying period, as this could compromise the repair and cause the filler to crack or dislodge.
  5. Once the repaired gap is fully dry and solid, conduct a thorough inspection of the entire laminate floor for any other emerging gaps or areas of concern. Addressing multiple gaps at once can save time and maintain the aesthetic integrity of your flooring throughout your home.

Common Symptoms & Diagnostic Resolutions

Review the common error codes and operating symptoms below to quickly identify the root cause of the fault before ordering replacement parts.

Symptom / CodeLikely Root CauseRecommended Resolution
Gap remainsPlank damagedReplace the plank.
Filler cracksMovement in floorUse a flexible filler.

Frequently Asked Questions

How do I fix gaps in laminate flooring?

Tap the plank closed or use a gap filler.

Can I prevent gaps in laminate flooring?

Ensure proper installation with expansion gaps.