PORTLAND, Ore. (KATU) — As Portland’s warm weather draws more people to dine outside, the city is urging customers and businesses to take a closer look at curbside outdoor patios, warning that structures that are not properly maintained could pose a health hazard and put permits at risk.
The city of Portland’s Bureau of Transportation said in a press release that hazy plastic can become a problem over time.
“Sun exposure can cause yellowing and haze, while vehicle exhaust and air pollution leave behind stubborn films that dull the surface. Rain and humidity can deposit minerals or encourage mildew, and constant temperature changes create tiny cracks that trap dirt,” the bureau said…