Exterior shot of windows with flower pot below

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 BEHR ULTRA® products--innovatively developed as a paint and primer.

The Window Frame

  1. Dip brush into paint.

    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. Paint inside frame.

    Step 2

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

  3. Continue painting frame.

    Step 3

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

The Window Sash

  1. Raise lower sash, drop upper sash.

    Step 1

    Raise the lower sash and drop the upper sash.

  2. Paint upper sash.

    Step 2

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

  3. Paint sash.

    Step 3

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

  4. Paint casing and sills.

    Step 4

    Paint the window casing and sills. Let them dry.

The Window Trim

  1. Paint edge of window trim.

    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. Paint trim.

    Step 2

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

  3. Window trim is painted.

    Step 3

    Continue until the window trim is complete.

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


    Vinyl Gloves


    Paint Can Opener

    Painter's Tape


    Stir Stick

More How-tos
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