Ask This Old House painter Mauro Henrique teaches a homeowner how to paint a metal front entry door.
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Time: 3-4 hours

Cost: $100

Skill Level: Beginner

Tools List for Painting an Exterior Door:
HammerSaw horses
Drill driver
HEPA vacuum with dust attachment
2” angled synthetic paint brush

Shopping List:
DTM Paint
Drop cloth
400 grit sandpaper
Paint tray
Microfiber paint roller

1. Remove the door from its hinge pins with the hammer and place it on the saw horses.
2. Remove the hardware from the door and place it somewhere safe.
3. Lightly sand the door with 400 grit sandpaper.
4. Use the vacuum with the dust attachment to clean off the door, then wipe it down with a wet rag.
5. Pour the paint into a tray. Cut around the panels of the door or any other trim details using the paint brush.
6. Switch to a microfiber paint roller to paint the rest of the door. To minimize stroke marks, use long strokes and light pressure on the roller.
7. Let the door sit for an hour or two until dry, then apply the second coat.
8. Allow the second coat to dry, and then rehang the door.

Mauro used DTM, or direct-to-metal, paint that can be found at most home centers and paint supply stores. The paint was manufactured by Benjamin Moore ( in the color “Black Beauty” (

Other supplies for this project, including foam rollers and a synthetic angled sash brush are sold at home centers and paint supply stores.

Expert assistance with this segment was provided by Mauro’s Painting (

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How to Paint an Exterior Metal Door | Ask This Old House

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