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Paint Calculator

Not sure how much paint you need? Just enter the width, length and height of the room below and we'll calculate it for you.

Enter measurements rounded to the nearest foot.

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What type of roller do I need?

There are several different types of rollers. The difference between rollers is the length in nap – essentially, how much fuzz or pile a roller has. The texture of the surface you’re painting determines the right nap length for your project.

  • Smooth surfaces need a 3/16” or ¼” nap.
  • Slightly textured surfaces –such as sand-textured walls – need a 3/8” or ½” nap.
  • Textured surfaces – such as stucco – need a ¾” or 1” nap.
  • Heavily textured surfaces – such as brick or block – need a 1 ¼” nap.

The type of roller also depends on the type of paint you are using. Different rollers can give you better results.

Check your state and local codes before starting any project. Follow all safety precautions. Every effort has been made to ensure the accuracy and safety of this information. Neither Westlake nor any contributor can be held responsible for damages or injuries resulting from the use of the information in this document.