To seal and paint your brick basement walls and cement floor, follow these steps for a successful and long-lasting finish:

1. **Preparation:**
– Clean the surfaces thoroughly to remove any dirt, dust, grease, or other contaminants. Use a wire brush and vacuum to ensure a clean surface.

2.**Priming the Walls:**
– Apply a masonry primer specifically designed for brick surfaces. This will help the paint adhere better and provide a more durable finish. Let the primer dry completely before proceeding to the next step.

3. **Painting the Walls:**
– Choose a paint suitable for masonry surfaces. Acrylic latex paint is a popular choice for basement walls as it provides good coverage and is easy to clean. Apply the paint using a roller or brush, making sure to apply even coats and allow sufficient drying time between coats.

4. **Preparing the Floor:**
– Clean the cement floor and patch any cracks or imperfections with a concrete patching compound. Once the floor is smooth and clean you can move to the next step.

5. **Priming the Floor:**
– Only needed is the paint you choose requires a primer. Use a primer specifically designed for concrete floors to ensure proper adhesion of the paint. Apply the primer evenly and allow it to dry completely before proceeding to the next step.

6. **Painting the Floor:**
– Many choices; Choose a concrete floor paint that is durable and suitable for high-traffic areas. This can be a single component floor paint, an epoxy floor paint, or even a stain designed for this purpose. Apply the paint using a roller or brush, working in small sections to ensure even coverage. Allow the paint to dry completely between coats and follow the manufacturer’s recommendations for curing time.