Concrete dusting can result from a bad water-to-cement ratio, faulty finishing techniques, age or weak cement. Here’s what to do if you notice your patio, driveway or walkway beginning to dust:
- Test your concrete. Structural engineers or concrete laboratories can test your cement’s strength. Most testing requires drilling a six-inch core from your driveway and testing its psi. A properly mixed, one-year-old driveway should achieve at least 2800 psi.
- Contact your pro. Some states require contractors to offer one-year warranties on work. If your cement is under warranty, have your pro arrange for a cement test. If your cement’s results are unsatisfactory, speak to your pro about a repair or replacement.
- Have it tested. If your cement is older than one year and you notice dusting, it’s a good idea to have your concrete tested anyway. A lab or structural engineer will offer solutions to fix or replace your faulty cement.
- DIY remedy. You can also apply sealants to your driveway to limit existing dusting. An epoxy, urethane or acrylic coating will encase your cement and eliminate any further dusting. Use a urethane coating for severely damaged or heavily trafficked areas.
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