I Pressure Washed My Paving Joints—and Destroyed Two Years of Structural Integrity in One Afternoon
A pressure washer feels like a gardener’s ultimate weapon—until you aim it at the joints between paving slabs. What looks like simple filler is actually a critical structural material, and a concentrated jet can excavate it completely, leaving your patio vulnerable to frost damage and cracking. Discover what went wrong and how to clean paving safely.