Thinning Valspar Reserve paint is a common task when you need to achieve a specific coverage or sheen. Valspar Reserve is a high-quality, 100% acrylic latex paint known for its durability and excellent adhesion. However, it's important to thin it correctly to maintain its performance and ensure a smooth finish. This guide will walk you through the process, providing you with a comprehensive understanding of how to thin Valspar Reserve paint effectively.

Why Thin Valspar Reserve Paint?

There are several reasons why you might need to thin Valspar Reserve paint. These include:
- Achieving a specific sheen: Thinning the paint can help you achieve a lighter sheen, such as eggshell or satin, from a paint that's originally designed for a higher sheen like semi-gloss or high-gloss.
- Improving coverage: Thinning the paint can help you cover a larger area with fewer coats, saving you time and money.
- Applying with a sprayer: Thinning the paint is necessary when using an airless sprayer to ensure smooth application and prevent clogging.

How to Thin Valspar Reserve Paint
Valspar recommends thinning their Reserve paint with water for most applications. However, the amount of water you add depends on the specific sheen you're aiming for and the method you're using to apply the paint. Here's a general guide:

Thinning for Roller or Brush Application
For most roller or brush applications, you'll want to thin the paint with about 10-15% water by volume. Here's how to do it:
- Pour the amount of paint you need into a clean bucket.
- Slowly add water to the paint, stirring gently as you go. A good starting point is to add about 1/4 to 1/3 cup of water for every 8 ounces of paint.
- Stir the mixture thoroughly to ensure the water is evenly distributed. You can use a paint stirrer or a drill with a paint mixing attachment for this.
- Test the paint on a small, hidden area to ensure it's thinning correctly and maintaining the desired sheen.

Thinning for Sprayer Application
When using an airless sprayer, you'll need to thin the paint more significantly to prevent clogging. Valspar recommends thinning their Reserve paint with about 20-25% water by volume for spraying. Here's how to do it:
- Pour the amount of paint you need into a clean bucket.
- Slowly add water to the paint, stirring gently as you go. A good starting point is to add about 1/2 to 2/3 cup of water for every 8 ounces of paint.
- Stir the mixture thoroughly to ensure the water is evenly distributed.
- Test the paint in your sprayer on a small, hidden area to ensure it's thinning correctly and spraying smoothly.

When Not to Thin Valspar Reserve Paint
While thinning Valspar Reserve paint can provide several benefits, it's not always necessary or recommended. Here are a few situations where you should avoid thinning the paint:



















- When applying the paint to a surface that's not fully cured: Thinning the paint can delay the curing process and potentially affect the paint's performance.
- When applying the paint in extreme temperatures: Thinning the paint can affect its ability to adhere and cure properly in extreme heat or cold.
- When applying the paint to a surface that's not properly prepared: Thinning the paint won't improve the adhesion of the paint to a poorly prepared surface.
Tips for Thinning Valspar Reserve Paint
Here are a few additional tips to help you thin Valspar Reserve paint effectively:
- Always test the thinned paint on a small, hidden area before applying it to the entire surface. This will help you ensure the paint is thinning correctly and maintaining the desired sheen.
- Stir the paint thoroughly before and during use to ensure the water is evenly distributed and the paint maintains a consistent consistency.
- Clean your tools and the work area thoroughly after use to prevent the paint from drying and becoming difficult to remove.
- Store any leftover thinned paint properly to prevent it from separating or drying out. Valspar recommends storing thinned paint at room temperature for up to 24 hours, after which you may need to stir it again before use.
Thinning Valspar Reserve paint correctly can help you achieve a smooth, even finish and make the most of your paint. By following the guidelines in this article, you can thin Valspar Reserve paint with confidence, ensuring a professional result every time. Happy painting!