A diamond in the rough:

Polished concrete floors just keep getting trendier and it’s a look that can go outdoors just in time for summer. A local company is showcasing what’s billed as an environmentally-friendly and economical method of making new or used concrete surfaces — say a balcony or patio — glossy and gorgeous. milleniumsuperfloor.com, $3.50 to $7.50 per square foot