Can you paint a metal roof? Yes, you absolutely can paint a metal roof. One of the wisest things you can do to your home is to paint your metal roof. Most individuals believe that it is too difficult or not worth the effort. That is not true at all. By painting your metal roof correctly, you save money and make your house look good.
According to the U.S. Department of Energy, cool roof coatings reflect 60-90% of sunlight, which means your house will be cooler and your energy bills will decrease. This implies that your air conditioner will not be forced to work hard during hot summer days.
Why You Should Paint Your Metal Roof
When you paint a metal roof, you have definite benefits that save you money and enhance the appearance of your home. As you paint your metal roof:
- Energy costs are reduced since reflective paint repels heat off the roof.
- The roof has a longer life span since the paint prevents rust and protects it against weathering.
- Fresh, clean color makes your home look better than faded or rusty metal.
- You postpone roof replacement by several years.
- Your home will increase in value with better curb appeal.
Professional roofing services see painted metal roofs lasting 15-20 years longer than unpainted ones. That’s real money saved over time.
What You Need to Paint Your Metal Roof
Before you start, get all your supplies ready. Don’t skip anything on this list:
- Titanium dioxide metal primer (this is very important).
- Quality paint specifically designed to be used on metal roofs.
- Scraping off rust with wire brushes.
- Sandpaper to smooth out rough areas.
- Cleaning power washer.
- Brushes and paint rollers.
- Non-slip shoes and safety harness.
- Extension ladder extending 3 feet beyond the edge of your roof.
- Plastic sheets to cover plants and walkways.
- Scraper to remove old, peeling paint.
Step-by-Step Metal Roof Painting Process
Step 1: Pick the Right Weather
Wait for good weather. You need clear skies for at least 2-3 days. Temperature should be between 50-85 degrees. Don’t paint when it’s too hot, too cold, or when it’s going to rain. Morning is better because the metal isn’t hot yet.
Step 2: Clean Everything Really Well
Start with a good cleaning. This step decides how long your paint job will last:
- Use a power washer on low setting to spray your roof.
- Clean off moss, dirt, or any chalky residue.
- Apply soap and water on tougher areas.
- In case there are still stains, combine bleach and water. Careful; use gloves.
- Allow everything to dry thoroughly before proceeding to the next step.
Our roof maintenance team always says a clean roof is half the battle won.
Step 3: Fix All the Problems First
Look over every inch of your roof. Fix problems now or they’ll ruin your paint job later:
- Rub off all the rust spots until you can see clean metal.
- Remove any loose or peeling old paint by scraping.
- Use metal filler to fill small holes.
- Secure loose screws and fasteners.
- Inspect all seams and joints to ensure they are not open.
- Repair broken panels where necessary.
If you find major damage, consider getting help from professional roof repairs experts.
Step 4: Apply Primer (Don’t Skip This!)
Primer is not optional. It’s what makes your paint stick and last:
- Apply titanium dioxide based metal primer.
- Begin with the top and work down.
- Apply to all areas, particularly seams and fasteners.
- Apply a roller on large surfaces and a brush on details.
- Allow it to dry thoroughly (typically 24 hours, but read the label).
Can you paint a metal roof without primer? Sure, but it won’t last and you’ll be doing this again in a few years.
Step 5: Paint Your Roof
Now comes the fun part. Apply your paint carefully:
- Apply quality acrylic paint that is designed to be used on metal roofs.
- Begin with the top and work down.
- Maintain a wet edge to avoid lap marks.
- Use thin coats rather than a thick coat.
- Seams and edges should be painted with extra care.
- Wait until the first coat is dry and then apply a second coat.
For complex roofs or if you’re not comfortable with heights, professional roofing services can handle this safely.
Step 6: Pay Extra Attention to Problem Areas
Some spots need extra care:
- The water flows on a roof in roof valleys.
- Water also gathers around chimneys and vents.
- All the joints where the roof panels are connected are potential leak points.
- Also, examine screw holes and other fastener locations.
- Downspouts and gutters are attached to the roof and may leak.
These areas get the most water and weather, so they need the best protection.
Step 7: Seal Everything Up
After your paint dries completely, add a protective sealant:
- Apply silicone or polyurethane sealant.
- Use a thin, even coat on the painted surface.
- Focus on seams and joints.
- This step will prevent water penetration and extend the life of your paint.
Should You Do It Yourself or Hire Pros?
Can you paint a metal roof yourself? Yes, but think about these things first:
DIY Makes Sense If:
- Your roof is low and not very steep.
- You are comfortable working on ladders.
- You possess all the necessary tools and safety equipment.
- The roof is good with no significant rust or damage.
Hire Professionals If:
- Your roof is steep or very high.
- You notice rust or other structural issues.
- You are not experienced in roof repair.
- You want a warranty on the work.
Professional roofing services typically cost $1,200-$3,600 but come with guarantees and proper safety equipment. Check out our metal re-roofs projects to see what professional work looks like.
Taking Care of Your Newly Painted Roof
Your painted roof needs some attention to stay looking good:
- Inspect your roof annually to identify issues.
- Remove leaves and debris when they accumulate.
- Repair minor chips and scratches immediately.
- Repaint any areas that begin to fade or peel.
- Clean gutters to allow water to drain away.
Good maintenance makes your paint job last much longer. Our team offers roof maintenance services to keep your investment protected.
When to Call for Help
Some situations need professional help:
- In case of significant rust damage during cleaning.
- When the roof is too steep or high to work on safely yourself.
- Old paint that has lead (usually in older houses).
- When you are unsure of the type of metal you possess.
- Whether local building codes necessitate permits or inspections.
DLV Roofing has experience with all types of metal roofing projects. We serve homeowners in Nashville, Houston, Dallas, Austin, Charleston, Asheville, Indianapolis and Knoxville .
Thinking of Transforming Your Metal Roof?
It is a good idea to paint a metal roof. It reduces energy bills, protects your roof against rain and sun, and makes your house look new and clean. Instead of doing the work yourself, hire skilled professionals. Ultimately, the benefits are clear.Need expert advice or professional help? Contact DLV Roofing today for a free estimate. Our team is familiar with how to repair typical issues before they become costly repairs in the future.