Whether you’re staying in place or planning to take advantage of an improving real estate market to sell your home, spring and summer are upgrade seasons. From adding a bathroom to creating an outdoor kitchen, certain improvements pay off for both homeowners who are selling and those who are staying. And while plumbing challenges, such as breaking through concrete or opening walls, may discourage some people, savvy homeowners know a tried-and-true option solves such problems.“Above-floor plumbing can make it easy and cost-effective to achieve a number of plumbing-related improvements that add both value and enjoyment to a home,” says Chris Peterson, Western regional sales director of SFA Saniflo Inc., a manufacturer of above-floor plumbing products.