How to Paint Exterior Window Frames

Exterior shot of windows with flower pot below

Try a higher sheen paint on your trim.  It is a more durable coating and best highlights your home's architectural features.

For Best Results:

To promote adhesion and durability of your topcoat, use a PREMIUM PLUS® Primer.

Not interested in applying a primer?
Consider using PREMIUM PLUS ULTRA® products--innovatively developed as a paint and primer in one.

The Window Frame

  1. Step 1

    Begin your painting project by pouring thoroughly mixed paint into a bucket and dipping a quality 5.1 - 6.4 cm (2"-2½") wide nylon/polyester brush into the paint.

  2. Step 2

    With your brush, begin painting the inside frame of the window starting at the top.

  3. Step 3

    Continue until the inside frame is complete. Let it dry.

The Window Sash

  1. Step 1

    Raise the lower sash and drop the upper sash.

  2. Step 2

    With your brush, paint the upper sash beginning with the crossbar.

  3. Step 3

    Continue to the lower sash beginning with the crossbar. Repeat the process with the obstructed sash areas.

  4. Step 4

    Paint the window casing and sills. Let them dry.

The Window Trim

  1. Step 1

    Starting at a top corner of the window trim, paint the side edge of the trim where it meets the wall. Continue until all side edges of the trim are complete.
    Reload the brush when necessary to maintain a wet edge.

  2. Step 2

    Return to the top of the window trim and begin painting the face of the trim.

  3. Step 3

    Continue until the window trim is complete.

Suggested Tools & Supplies
  • Brush 5.1 - 6.4 cm (2"-2½")

  • Bucket

  • Vinyl Gloves

  • Ladder

  • Paint Can Opener

  • Painter's Tape

  • Rags

  • Stir Stick

More How-tos
Additional Resources
Orange calculator icon in a white bubble
Paint and Stain Calculator

Inside or outside; paint or stain: Let’s figure out how much you’ll need to make amazing happen.

A woman looking at several different color palettes
Ask an Expert

Every project is unique: Keep small wrinkles from becoming big problems by letting the Behr Technical Experts lend a hand. 

Get Expert Help
Colour Studio

So many colours and so many ideas: Visit Behr’s Colour Studio for inspiration, colour tools, design advice and everything you need to find your project’s perfect colour.