How to Waterproof Your Basement | Super Blog

How to Waterproof Your Basement

Time: 60+ minutes

Want to turn your basement into a bonus room? Optimizing your basement space can transform your home, but a single pesky leak makes your basement musty and damp. Even if you're not planning on creating a living space downstairs, waterproofing your basement keeps mold and mildew from taking hold and can protect the integrity of your foundation.

Preventing basement leaks also saves you from replacing or drying out the contents of your home. No one wants to walk across squishy carpet or have perfectly good furniture ruined by an unexpected basement swimming pool. Repairs to your foundation and the contents of your house are costly and frustrating, but waterproofing your basement now won't be.

What's in it for you?

  • Prevent mildew and mold
  • Protect your home's foundation
  • Avoid leak cleanups
  • Protect the contents of your home

How to Waterproof Your Basement:

Check for cracks.
Water usually leaks into your basement via cracks in the concrete. Check for visible cracks, keeping in mind that they may hide along the floor or joints.

Fill cracks with concrete filler.
If you locate a crack, use a vacuum to clear debris from the crack and the surrounding area. Apply concrete filler to the crack and allow it to cure per the manufacturer's guidelines. Once the filler has dried, apply a water-based polyurethane sealer on top.

Apply a concrete sealant throughout.
Sealing your entire basement floor may help ward off water damage. Similar to a filler, a sealant provides a barrier against water. While a sealant may not stave off every leak, it can keep basement humidity low and prevent new, fine cracks from forming. To apply a comprehensive sealant, clean your floors and concrete walls completely and then roll on two coats of the sealant using a 3/4" nap paint roller.

Inspect outdoor drainage.
Outdoor drains and gutters should be pointed away from your home. Add an elbow to the end of your downspout to ensure that runoff is directed toward your yard or driveway--and not toward the foundation of your structure. Clear leaves and other debris from the gutter so water doesn't get clogged or fail to drain properly.

Pro Tip: If your front yard does not naturally slant away from your home at a grade of at least 2 percent, water may pool against the foundation. Build up the landscaping immediately next to your home by adding topsoil. Increasing the grade of the landscaping promotes proper runoff and prevents water from entering your basement.

Don't have the time or tools to waterproof your basement yourself? No worries. At Super, we're big fans of preventative home maintenance and repairs. Save yourself the headache, and schedule a quick pre-winter visit at 844-99-SUPER.

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