You’ve just finished a relaxing soak in your beautifully tiled bathroom, only to notice an unsightly crack snaking its way through the grout. Suddenly, your spa-like retreat feels more like a home improvement headache.
But don’t reach for the phone to call a contractor just yet. Understanding why your grout is cracking is the first step to finding the right solution – and it might be simpler than you think.
Let’s go through all the different causes of grout cracking.
Improper Installation
Grout needs to be mixed and applied with precision to ensure long-lasting durability. If the grout mixture contains too much water, it weakens the overall structure, making it prone to cracking once it dries.
Overworking the grout or not allowing it to set properly before exposure to traffic or moisture can compromise its integrity. This results in a brittle and uneven surface that is more susceptible to cracking under pressure.
If you end up in this situation, you might be trying to figure out how to repair grout. But, you can avoid it by bringing professionals to help you with grout installation.
Poor Tile Grout Maintenance
Bad grout maintenance is another significant factor that can lead to cracking over time. Grout is porous by nature, which makes it susceptible to absorbing moisture, dirt, and stains if not properly sealed and maintained.
Without regular cleaning and resealing, grout can become weakened by water intrusion, especially in areas like bathrooms or kitchens where moisture is common. As the grout absorbs water, it may swell and contract, leading to cracks or even tile damage.
Inadequate Expansion Joints
Tiles naturally expand and contract with changes in temperature and humidity. When there isn’t enough space for this movement, pressure builds up and is transferred to the grout, causing it to crack.
Expansion joints are designed to absorb this movement and prevent stress on the grout and tiles. Without them, the constant shifting of tiles due to environmental factors, especially in large areas like floors, can lead to premature grout failure.
If you’re working on preventing grout damage, make sure your joints are strategically placed to accommodate the natural movement of the tiles. If they are spaced too far apart or omitted altogether, the tiles are left with no room to shift, forcing the grout to bear the stress.
Too Much Pressure
Tiles are often installed in high-traffic areas where they endure constant foot traffic, furniture, and other heavy loads. Over time, this weight can cause stress on the grout lines, leading to cracks.
This is particularly true if the tiles are installed over a subfloor that is not adequately reinforced or if heavy items, such as large furniture or appliances, are placed on the tiled surface.
Grout Cracking: Fight Back Today
There’s a lot that could be causing grout cracking in your home. Now that you have the basics down, it should be a lot easier for you to protect your home.
Are you looking for help fixing cracked grout? The Groutsmith has been sending out our highly-trained professionals to help homeowners like you for over 30 years.
Contact us today.
