End leaking gutters at the source with our professional-grade 6K Style Gutter End Caps. Designed specifically to prevent one of the most common causes of gutter leaks – water escaping at end joints and corners.

These precision-formed aluminum end caps create a watertight seal that keeps water flowing through your gutters and downspouts instead of leaking onto your foundation, siding, or landscaping. Available in both left and right configurations and 25+ colors to match any gutter system.

WATERTIGHT DESIGN

Professional-grade end caps create a watertight seal that prevents leaks at gutter ends – one of the most common sources of gutter failure.

KEY BENEFITS

• Prevents Leaks - Creates a watertight seal at gutter ends
• Perfect Fit - Precision-formed to match 6K gutter profile exactly
• Superior Durability - Professional-grade aluminum resists corrosion
• Color Matching - Available in 25+ colors to blend seamlessly with your gutter system
• Easy Installation - Simple to install with basic tools
• Complete Protection - Prevents water damage to fascia, siding, and foundation
• Professional Appearance - Clean, finished look enhances your home's exterior

SIGNS YOUR GUTTER END CAPS NEED REPLACEMENT

Proper End Cap Installation

TROUBLESHOOTING TIPS:

• If end cap doesn't fit snugly: Verify you have the correct size and style for your gutter
• For persistent leaks: Apply additional sealant to the inside seam after installation
• For damaged gutter ends: Trim the gutter end square before installing the new end cap
• For extreme weather areas: Use both sealant and screws for maximum security
• For proper water flow: Ensure gutters maintain the correct slope toward downspouts

THE COST OF LEAKING GUTTERS

Investing in quality end caps now can save thousands in potential water damage repairs. A single leaking end cap can cause damage to fascia boards, siding, foundation, and landscaping. At just $1.75 each, our professional-grade end caps provide exceptional value and protection for your home.

Why are my gutters leaking at the corners?

Gutters commonly leak at corners and end joints due to improper sealing, damaged end caps, or incorrect installation. Professional-grade end caps like our 6K Style Gutter End Caps create a watertight seal that prevents water from escaping at these vulnerable points. Our end caps are precision-formed from heavy-duty aluminum to ensure a perfect fit and long-lasting performance, effectively eliminating corner leaks when properly installed with a quality gutter sealant.

How do I fix leaking gutter joints?

To fix leaking gutter joints, first ensure you're using proper end caps and sealing components. For end joints, install high-quality end caps like our 6K Style Gutter End Caps that are designed specifically for your gutter profile. Apply a small bead of gutter sealant along the inside edge before securing the end cap. For seam joints, clean the area thoroughly and apply gutter sealant to create a watertight seal. In both cases, ensure proper installation and secure fastening to prevent future leaks. Regular maintenance and prompt replacement of damaged components will keep your gutter system functioning properly.

What causes gutters to leak?

Gutters leak for several common reasons: 1) Improperly sealed or low-quality end caps that allow water to escape at corners; 2) Separated seams where gutter sections join; 3) Holes or cracks from debris impact or corrosion; 4) Improper slope preventing proper drainage; 5) Clogs forcing water to back up and overflow. Using professional-grade components like our 6K Style Gutter End Caps addresses the most common leak point by creating a watertight seal at gutter ends, preventing water from escaping at these vulnerable areas. Regular cleaning and maintenance also help prevent leaks caused by clogs and debris.

How do I know if I need left or right gutter end caps?

To determine whether you need a left or right gutter end cap, stand facing the gutter from outside your house. If you're capping the end to your left, you need a left end cap. If you're capping the end to your right, you need a right end cap. Another way to remember: when looking at the front of the gutter (the side visible from the ground), a left cap goes on the left end and a right cap goes on the right end. Our 6K Style Gutter End Caps are available in both left and right configurations to fit your specific installation needs.

What's the best sealant for leaking gutters?

The best sealant for leaking gutters is a high-quality, waterproof gutter sealant specifically designed for exterior use on aluminum, steel, or vinyl gutters. Look for silicone or polymer-based sealants that remain flexible after curing to accommodate expansion and contraction. When installing our 6K Style Gutter End Caps, we recommend applying a small bead of gutter sealant along the inside edge before securing the cap for maximum leak protection. For persistent leaks at seams, our Henry Wet Patch Roof Leak Repair can also be effective when applied according to directions.

I had a persistent leak at the corner of my gutter that was causing water damage to my fascia board. After replacing the old end cap with this professional-grade one and adding a bead of sealant as recommended, the leak stopped completely. The color match is perfect, and the installation was simple. Wish I had done this years ago before the water damage occurred.

As a professional gutter installer, I exclusively use these end caps on all my installations. The heavier gauge aluminum and precise fit make a huge difference in preventing leaks. My customers appreciate the quality, and I appreciate not getting callbacks for leaking corners. The wide range of color options means I can always match the gutter system perfectly.

I replaced all the end caps on my gutter system after noticing water stains on my siding. The difference in quality between these and the builder-grade caps that were originally installed is remarkable. These fit perfectly and create a complete seal. No more leaks, even during heavy downpours. Well worth the investment to protect my home from water damage.

Henry Wet Patch Roof Leak Repair

Professional-grade sealant for persistent leaks at gutter seams and joints. Works on wet surfaces for emergency repairs.

$10.39

Gutter Seam Sealant

Waterproof sealant specifically designed for gutter seams and end caps. Creates a flexible, long-lasting watertight seal.

$8.95

Gutter Repair Kit

Complete kit for fixing common gutter problems. Includes sealant, patch material, and fasteners for comprehensive repairs.

$24.99