Expansion joints keep tiled surfaces stable by preventing cracks and damage caused by structural movement. Different materials expand and contract at different rates, especially when exposed to temperature and moisture changes. Without proper expansion measures, tiles can crack, and grout can fail, leading to costly repairs.
The most common place to install an expansion joint is where a concrete subfloor meets a wooden floor. These materials move differently, creating stress that can damage tiles. Placing a joint at this transition allows both surfaces to move independently, preventing cracks and grout failure.
Large tiled floors also need expansion joints. When a tiled area exceeds 64 square metres (8m x 8m), stress builds up across the surface. Placing joints at regular intervals reduces strain, keeping tiles intact. Without these joints, movement in the subfloor can transfer directly to the tiles, increasing the risk of damage.
Walls rarely require expansion joints unless movement joints already exist or the tiled area exceeds 9 square metres. When necessary, a continuous bead of silicone between tiles creates flexibility, allowing the surface to absorb pressure. This prevents stress cracks and maintains structural stability.
Expansion joints don’t have to disrupt design aesthetics. With various profiles and colour-matching options, they blend seamlessly into tiled surfaces while ensuring long-term durability. Whether for homes, commercial spaces, or industrial settings, well-placed expansion measures protect tiled areas from unnecessary damage.
Skipping expansion joints can cause major problems later. Cracked tiles, failing grout, and costly repairs become likely when tiles have no room to adjust. Planning for expansion from the start keeps tiled surfaces looking flawless and functioning properly for years.
If you need guidance on placing and fitting expansion joints, reach out to us. Let’s ensure your tiling project remains strong, flexible, and built to last.