What are the best practices for sealing the interior of concrete outdoor planters?

Sealing the interior of concrete outdoor planters is essential to protect them from moisture damage and extend their lifespan. Here are the best practices to follow:

1. Clean the Planter Thoroughly: Remove dirt, debris, and any existing coatings. Use a brush and mild detergent to scrub the interior, then rinse and let it dry completely.

2. Choose the Right Sealant: Opt for a waterproof, non-toxic sealant designed for concrete. Acrylic-based or epoxy sealants are popular choices for planters.

3. Apply the Sealant Evenly: Use a brush or roller to apply a thin, even layer of sealant to the interior surfaces. Ensure full coverage, especially in corners and seams.

4. Allow Proper Drying Time: Follow the manufacturer’s instructions for drying time between coats. Typically, 2-3 coats are recommended for optimal protection.

5. Test for Waterproofing: After sealing, fill the planter with water and let it sit for a few hours to check for leaks. If water seeps through, apply an additional coat.

By following these steps, you can ensure your concrete planters remain durable and resistant to moisture, keeping your plants healthy and your planters looking great for years.