DIY Basement Makeover: What to Consider

A basement transformation expands usable space and increases home value while building a space that suits the family’s lifestyle.

From family room to office to workshop, a basement can fulfill a variety of needs. AzmanL/Getty Images

The first step of most basement makeovers is to decide how the space will be used, whether as a family room, a man cave, an office, a guest room, or a combination of uses. Then, you must set a budget with a 15 percent buffer for unexpected costs and check local building codes (ceiling height and egress being two common issues).

But before all that, it’s important to make sure that the space is completely watertight. Signs of moisture include efflorescence (a white powdery residue), musty smells, visible cracks, damp spots, water stains, and peeling paint. The solution may be as simple as repairing small cracks and holes, using hydraulic cement for active leaks, applying a waterproofing paint or sealant, or, in more extreme cases, installing a yard drainage system to route water away from the house. All of these fixes can be DIY-friendly for skilled homeowners.

When to Call a Pro

Professional intervention will be required for any large, horizontal cracks in foundation walls, which may indicate excess water and soil pressure. Other issues that call for professional help include recurring leaks that resist DIY repairs, standing water and dampness after rain, visible mold, noxious musty areas, and structural concerns such as bowing or bulging walls.