Finishing a basement is a fantastic way to add livable square footage to your home. But before you lay down a single plank or tile, it's crucial to understand the unique challenges that come with installing flooring over basement concrete.
Unlike an above-ground subfloor, a concrete slab has specific requirements that, if not met, can lead to a ruined floor and a costly mistake. For homeowners in the St. Louis area, here are the essential dos and don'ts to follow for a successful basement flooring project.
The Dos: Your Checklist for Success
- DO Test for Moisture: This is the most critical step. Concrete is porous and can wick moisture up from the ground, especially in a basement. You can perform a simple test by taping a 2x2 foot plastic sheet to the concrete for 24-48 hours. If condensation appears on the underside of the sheet, you have a moisture problem that must be addressed.
- DO Prepare the Subfloor: The concrete slab must be clean, dry, and flat. Use a concrete grinder to smooth out any high spots and a self-leveling compound to fill in low spots. Any unevenness will cause your new floor to be uneven, unstable, and could lead to failure.
- DO Install a Moisture Barrier: Unless you are installing a product that has a built-in moisture barrier (like some luxury vinyl planks), you must install one. This is typically a plastic sheeting that goes directly on the concrete to protect your new floor from moisture.
The Don'ts: Mistakes to Avoid
- DON'T Assume Your Slab is Dry: Even if your basement has never flooded, a concrete slab can have moisture in it. Skipping the moisture test is a gamble you don't want to take.
- DON'T Skip Acclimation: Your new flooring needs time to acclimate to the temperature and humidity of the basement before installation. Failing to do so can lead to a warped or buckled floor down the road.
- DON'T DIY If You're Unsure: The basement is a complicated space. If you're not confident in your ability to properly test for moisture and prepare the subfloor, hiring a professional is a smart investment that will save you money and headaches in the long run.
Following these simple rules will ensure that your new basement flooring installation is a success, providing you with a beautiful, long-lasting floor.
Contact the Installation Experts at Flooring Galaxy in St. Louis, MO
Installing flooring over basement concrete is a job best done right from the start. Our family-run team is a St. Louis owned flooring retailer for over 10 years, and we have the expertise to ensure your project is a success.
We can help you choose the right materials and provide a professional installation you can trust. Call or Visit Flooring Galaxy. We have showroom locations in Brentwood, MO, Arnold, MO, and St Peters, MO. We service the areas of St. Louis, Ladue, Webster Groves, Kirkwood, and Clayton, MO.
