A store-bought pair of 15-by-63-inch raised-panel vinyl shutters can start at around $70, while a pair of custom-made painted wood shutters for a 36-by-66-inch window can cost $400 to $500.

Westlake Corporation's WLK unit, Westlake Royal Building Products, has added four new, trendy colors to the Mid-America shutters line. The four new colors —Treated Cedar, Platinum, French Roast ...