Choosing the right brush for polyurethane depends on your project size and finish goals.

• For smooth finishes, look for brushes with fine bristles, like synthetic or natural blends.
• Flat brushes are great for large surfaces, while angled brushes help with trim and corners.
• Foam brushes can be handy for touch-ups or smaller areas.

Check the brush width to match your workspace, and always read the product description to see if it's designed for polyurethane applications.

Many brushes listed on this page are suitable for oil-based polyurethane.

• Natural bristle and bristle blend brushes often work well with oil-based finishes.
• Some synthetic brushes are also compatible, but always check the packaging for confirmation.

Using the right brush can help you achieve a smoother finish and reduce streaks. If you're unsure, look for brushes that specifically mention oil-based polyurethane in their description.

Cleaning a brush after using polyurethane helps extend its life.

1. First, wipe off excess polyurethane with a paper towel.
2. For water-based polyurethane, rinse the brush in warm, soapy water.
3. For oil-based polyurethane, use mineral spirits or paint thinner as directed on the product label.
4. Rinse thoroughly and reshape the bristles before drying.

Proper cleaning can help your brush stay in good shape for future projects.

Foam brushes can be a convenient option for applying polyurethane, especially on smaller projects or touch-ups.

• They’re easy to use and can help minimize brush marks.
• However, foam brushes may not last as long as bristle brushes and can sometimes tear with repeated use.

For larger surfaces or multiple coats, you might prefer a traditional bristle brush for durability and smoother results.

To help reduce streaks when applying polyurethane, try these tips:

• Use a high-quality brush designed for polyurethane finishes.
• Apply thin, even coats and avoid over-brushing.
• Work in the direction of the wood grain for a smoother look.
• Allow each coat to dry fully before adding another.

Following these steps can help you achieve a more professional-looking finish, though results may vary based on your technique and materials.