Hillsboro, OR

Portland’s rainy climate can be tough on commercial concrete surfaces. With frequent downpours, pooling water, and freeze-thaw cycles in the colder months, poorly installed or maintained pavement can deteriorate quickly. Whether you own a parking lot in the Pearl District, a sidewalk near Hawthorne Boulevard, or a loading dock in the industrial areas of Northwest Portland, avoiding common concrete paving mistakes can save you from costly repairs and safety hazards. Here are seven critical mistakes that can leave your commercial concrete paving vulnerable to Portland’s relentless rain—and how to prevent them. Key Takeaways Using the wrong concrete mix in Portland’s wet climate leads to cracking and erosion because it absorbs too much water. Poor drainage design allows rainwater to seep in, causing potholes and structural failure over time. Skipping sealant or using a cheap one weakens concrete, making it prone to spalling and water damage. Rushing the curing process or exposing fresh concrete to rain too soon results in weak, brittle pavement. Hiring an inexperienced contractor can lead to costly mistakes like improper drainage, weak materials, and premature failure. 7 Costly Mistakes That Damage Portland Commercial Concrete in Rain Portland’s rainy climate can wreak havoc on commercial concrete if not…