Why Are My Paving Stones Sinking? Calgary Paver Repair & Maintenance Tips
Why do paving stones sink in Calgary? Learn the common causes, repair options, drainage tips and professional paver maintenance advice from A Green Future.
Have you noticed paving stones around your Calgary home starting to sink, shift, or become uneven?
Don't assume the paving stones themselves are the problem.
In many cases, what you see on the surface is a sign of something happening underneath the pavers.
For Calgary homeowners, our changing weather and freeze-thaw conditions make proper base preparation, compaction, grading, and drainage especially important.
Why Do Paving Stones Sink?
Several issues can cause a patio or walkway to settle over time:
• Poor or insufficient base preparation
• Improper compaction
• Water moving underneath the paving stones
• Drainage or grading problems
• Edge movement
• Soil settlement or erosion
A properly built paving stone installation in Calgary
should be designed as a complete system — not simply stones installed over the ground.
Calgary Pro Tip: Look for Water
If several paving stones are sinking in the same area, especially near a downspout, foundation, walkway, or low spot, water may be contributing to the problem.
Simply lifting the stones and adding a little sand may improve the appearance temporarily, but it doesn't necessarily correct the underlying cause.
Before repairing the surface, check the grading and drainage around the area.
Professional hardscaping should consider how water moves through the entire property before the paving stones are installed.
Learn more about professional hardscaping in Calgary.
Can Sinking Paving Stones Be Repaired?
Often, yes.
Depending on the condition of the existing installation, paving stones may be carefully lifted so the underlying area can be corrected, regraded, properly prepared and compacted before the stones are reset.
The important part is determining why they sank in the first place.
If the problem is underneath the patio, repairing only the surface may mean dealing with the same issue again later.
Building a New Patio?
This is where proper installation makes a major difference.
A professional paving stone patio should consider excavation, base preparation, compaction, slope, drainage, edge restraint and jointing as parts of one system.
If you're considering a new backyard patio, learn more about patio paving stone installation in Calgary
What If Grass Is Growing Around Your Paving Stones?
Sinking isn't the only problem Calgary homeowners may notice.
If you have grass growing around your paving stones, don't just remove what you see above the surface. Grass roots and runners can migrate into the edge of a paving stone installation, making the problem return again and again.
Read our Calgary Pro Tip: Stop Grass Before It Takes Over
A Green Future Pro Tip
Don't wait until one sinking paving stone becomes an entire uneven section.
Early signs such as pooling water, separating edges, low spots or rocking pavers can indicate that the installation should be inspected.
A properly prepared paving stone surface should not only look beautiful, it should manage water properly and provide a stable, functional outdoor space.
For professional paving stone installation and repair in Calgary, contact A Green Future.
A Green Future | Calgary Hardscaping & Paving Stone Professionals
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