How To Paint A Metal Door Without Brush Marks: Best Way To Paint Your Interior Or Exterior Doors

A nice smooth painting finish on the metal front door is the first priority of the homeowners. When repainting the front door homeowners concern how to paint a metal door without brush marks.

Unexpected brush marks disappointed the homeowners and new painters as they give their best efforts, time, and money and don’t get the sleek and smooth finish later. You may think brush marks give a nice texture. In reality, it looks good on wooden doors but looks utterly opposite to metal doors.

Repainting over old paint isn’t like painting a new fresh front door. So, before painting, read our guide on how you eliminate brush strokes when painting a metal door.

Supplies To Paint A Metal Front Door Frame Without Brush Marks

If you want a smooth paint finish on your metal door, few essential tools need to be considered.

Sanding Sponge

A sanding sponge is used to smooth flat and contour surfaces on a metal door. Before starting, you should consider which grit level of sanding sponge can be used on metal surfaces. Don’t put much pressure over sanding and uneven areas that will crook the surface.

Quality Paintbrush

How smooth your door paint turns out depends on a good paintbrush. A paintbrush is used to paint the edges where the roller can’t reach. That’s why it’s important to brush the edges first. If you want some good quality paint brushes, Wooster and purdy brush can be an excellent choice to paint your metal door.

Foam Paint Roller

Rollers are used to paint the flat areas fast, where the paintbrush can’t give a smooth finish.

Remember, you must use a foam roller to paint uneven areas of a door rather than a regular roller. Foam rollers take a short period of time to paint smooth easily on flat surfaces.

Choose The Right Paint

What type of paints you are going to use to paint the metal door will make all the difference. Water-based latex paints can be used on both interior and exterior doors. They adhere to the surface well, dry fast and prevent rust.

It’s much easier to paint a new door, but you need little preparation before applying it to an old door.

Drop Cloth

Use a drop cloth under the door. It will be a great helper to protect your ground surface from unwanted paint drops.

How To Paint A Metal Door Without Brush Marks (11-steps Complete Guide)

Paint A Door Without Brush Marks

Do you want to paint your metal door smartly? Beginners or experts follow our simple recommendations to paint a door without vertical or horizontal brush marks. Let’s go into the details.

1. Done The Necessary Prep Work

Without a clean and smooth surface, the paint will not adhere properly. So, before starting the paint job on the metal surface, make sure you have done all the necessary preparation.

Take a 220 grit sponge sandpaper to settle down rough areas of the door. It will be more accessible to sand angles and allow you to reach nooks and crannies of the door.

Either you paint the interior or exterior door, make sure you power wash it to clean dirt and debris. Wipe the door using a microfiber towel. If you do that, it will ensure maximum paint adhesion.

You may find small holes or cracks, which you need to fix before painting. Apply caulk or spackle in the holes and cracks. When they dry, lightly sand the area to level up with the surface.

2. Take Off The Door, Handles, And Door Hardware

Removing the entire door from its hinges is your choice. If you hire a professional painter, they will quickly remove it for painting. Another reason is that you can remove the door if you use a sprayer to get the paint done. A sprayer is a quick process of painting on both sides of a door. If you do not remove it from the hinges, the paint may spread out the door.

You can also finish painting without removing it from the hinges. You may take off the handles and other door hardware or tape them carefully with painter’s tape. Complete it before the sanding, and it will protect the metal parts from cosmetic damage.

3. Sand Old Brush Marks

Painting on your previously painted door needs minor work to be done. You may find some imperfections (Brush Marks And Blemish) on it, which must be sanded down properly.

Take a 100-120 grit coarse sandpaper, slightly run it over the old brush marks and inconsistent areas. It will make the surface flat and smooth. Avoid using too much pressure during sanding. Use a vacuum to clean all sanding dust.

4. Apply The Primer

Painting over a new door requires a fresh coat of primer. It will ensure great durability for a long time. Use a brush to apply primer to the edges and inside parts. A small roller helps you to paint outer flat surfaces.

When the primer is completely dry, sand it in between coats to get a smooth paint job.

5. Avoid Brushes On Flat Surfaces

If you want to paint like professionals, avoid using a brush to paint on flat surfaces. Using a brush can leave brush marks on your door. But a high-quality foam roller can end up painting without leaving any marks and bumps.

Not only that, you are able to cover a wide area in a short period of time.

6. Follow The Grain Direction

Door slabs have different parts of grain directions that you have to follow when painting. One of the best ways to avoid brush marks is painting flowing the grain direction. Use a brush instead of a foam roller. This will allow you to get off from unsightly brush marks.

7. Improve Paint Leveling

Brush marks most of the time occur due to poor paint leveling. A common cause of poor paint leveling is wet and unsmooth paint finish.

Add conditioner (floetrol) to paint instead of water. This will turn the paint thin and give a long and smooth coverage. Ensure the temperature isn’t over 90°F. High temperatures will dry the paint quickly and ruin the paint leveling. Sometimes high-quality paint provides proper leveling from the beginning.

8. Apply The First Coat Of Paint

It’s crucial to select the right kind of paint for avoiding brush marks. Semi-gloss latex paints will be a top choice on this occasion. They give a smooth paint job for both exterior and interior doors. You can use them without getting in any trouble. Also, there are few popular metal paints available to use on metal doors.

Take your desired metal paint color, apply the first coat. Let it dry for a day before applying the second coat.

9. Lightly Sand After Every Coat

It’s possible to achieve a smooth topcoat finish if you sand after every coat of paint. Lightly sanding the brush marks and other imperfections areas of the first coat. Remember, don’t rub too hard, just make sure the paint looks smoother than before.

10. Apply The Second Coat/Topcoat And Let Dry

It will always be a wise decision to apply a second coat of paint to your metal door. This will help you to cover the lightly painted areas and brush marks of the first coat.

Load your brush with a small amount of paint and dab the paint on those areas. Next, let the paint dry for 24 hours.

11. Re-attach The Door

You are going through all the processes to get rid of existing and non-existing brush marks. Now, remove all the tapes from the doorknob and hardware. If you are taking off the door, re-attach it with the frame.

Final Words

If you want to eliminate brush strokes when painting metal doors, there is no need to be a professional DIY. You have to follow everything we explained about how to paint a metal door without brush marks. Make sure you do all the hard work to turn your metal door surface smooth and shiny. Hopefully, those tips and tricks help you a lot!

Have you ever tried to paint metal doors? Share your experience in the comment below.

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