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How to paint a gutter?

Close-up showcasing sleek gutters on a modern house. Autumn leaves softly blur in the background.

Painting your gutters might seem like a purely aesthetic choice, but it also plays an important role in protecting your home’s exterior. A fresh coat of paint not only enhances curb appeal—it can also extend the lifespan of your gutter system. In this guide, you’ll learn why painting gutters matters, how to do it step by step, and the best paint options for long-lasting results.

Why would I need to paint my gutters?

There are several reasons to consider painting your gutters:

  • Boost curb appeal: Freshly painted gutters help your home look clean and well-maintained.
  • Match new trim or siding colors: Repainting allows seamless visual integration.
  • Prevent corrosion and UV damage: Certain paints can act as a protective barrier, especially for metal gutters.
  • Cover scratches, rust, or discoloration: Paint can refresh aging gutters without needing replacement.

How to paint a gutter? Step by step

Here’s a simple step-by-step guide for painting gutters:

Step 1: Clean the gutters thoroughly

Remove dirt, debris, mold, and mildew using a scrub brush and a solution of water and mild detergent. Rinse and let dry completely.

Step 2: Remove old paint or rust

Use a wire brush or sandpaper to remove flaking paint and rust. This creates a smooth surface for the new coat to adhere.

Step 3: Protect surrounding areas

Cover nearby siding, windows, and landscaping with painter’s tape and drop cloths to avoid accidental splatter.

Step 4: Apply primer

Use an oil-based or rust-inhibiting metal primer if you’re working with aluminum or steel gutters. Allow it to dry completely according to manufacturer instructions.

Step 5: Paint the gutters

Use a high-quality exterior paint (see below for options), applying with a brush or spray for even coverage. Two thin coats are better than one thick coat.

Step 6: Let it dry

Allow the paint to cure for at least 24 hours in dry conditions. Avoid painting if rain is expected within that window.

What kind of paint do you use on gutters?

The ideal paint type depends on your gutter material:

  • Aluminum gutters: Use 100% acrylic exterior paint for strong adhesion and UV resistance.
  • Galvanized steel gutters: Apply an oil-based metal primer followed by an exterior-grade enamel or acrylic paint.
  • Vinyl gutters: These can be tricky, as paint may not adhere well—opt for specially formulated vinyl-safe paint.

Always choose weather-resistant, flexible paints to withstand temperature changes without cracking or peeling.

How often should I paint my gutters?

On average, gutters should be repainted every 5 to 10 years, depending on exposure to sunlight, weather conditions, and paint quality. Gutters showing signs of fading, peeling, or rust should be repainted sooner.

Let All Gutters handle your gutter maintenance, painting, and repair needs with precision and care. Contact us today for a free estimate!