1 1

6-Inch Half Round End Caps

6-Inch Half Round End Caps

Color: White, 80 Degree
Unit of measure: pcs
icon of a box with stamp
Expected ship / pick-up date:
06 Oct | Typically ready in 1-2 days
We're ready to help. Call us at (610) 779-6934 and we'll happy to answer your questions.

Complete your Half Round System with precision-formed 6-Inch Half Round End Caps that deliver watertight closure and authentic traditional styling for large-capacity applications. Our End Caps are manufactured from .019 gauge aluminum with factory-applied color matching your Half Round Gutter System. These essential components install easily with Gutter Sealant, crimps and/or fasteners, preventing water leakage at Gutter terminations while maintaining the classic European architectural appeal required for high-end traditional construction.

6-Inch Half Round End Caps Key Features

  • Large capacity sealing

    Designed for 6-Inch Half Round systems handling up to 2,400 sq ft roof areas per downspout with complete watertight closure

  • Authentic curved profile

    Precision-formed to match the larger curved geometry of 6-Inch Half Round Gutters for seamless integration and traditional styling

  • Period-correct colors

    Available in White and Brown finishes to complement classic architectural color schemes and large-scale historic building requirements

  • Heavy-duty construction

    .019" gauge aluminum provides enhanced strength for larger Gutter Systems while maintaining authentic traditional proportions

6-Inch Half Round End Caps Material & Specifications

Material: .019 gauge aluminum, baked-on enamel finish
Profile: Half Round curved design
Gutter Compatibility: 6-Inch Half Round Gutters only
Finish / Colors: White and Brown options
Gauge / Thickness: .019"
Capacity: Designed for roof areas up to 2,400 sq ft per Downspout
Use: Large traditional Gutter System terminations, commercial historic restorations
Notes: Verify profile compatibility with your Half Round Gutter stock before ordering

Installation & Maintenance Tips

This installation information is a general guide only and may not address your specific site conditions. Always follow local building codes, safety practices, and professional methods. If you are not experienced with this type of work, hire a qualified contractor.

Installation
  1. Measure and cut: Cut Half Round Gutter square at termination point. Test-fit End Cap to ensure proper seating and curved profile alignment on larger system.
  2. Clean surfaces: Remove any debris or oxidation from gutter end and End Cap contact areas for optimal sealant adhesion on high-capacity system.
  3. Apply sealant: Place continuous bead of high-quality Gutter Sealant around the inside perimeter of the larger curved End Cap.
  4. Position cap: Carefully slide End Cap onto Half Round Gutter end, ensuring full contact around the curved profile and even reveal on 6-inch system.
  5. Secure connection: Crimp and/or install Pop Rivets or appropriate fasteners every 3-4" around the curved perimeter. Use additional fasteners for larger End Cap stability.
  6. Tool sealant: Remove excess sealant and smooth joints for professional appearance and complete weather seal on high-capacity application.
Maintenance
  1. Inspect regularly: Check End Cap attachment and sealant condition during routine Gutter cleaning, especially important for high-capacity systems.
  2. Clear debris: Remove any leaves or debris that may accumulate around End Cap areas to prevent water backup in larger systems.
  3. Monitor sealing: Look for signs of sealant deterioration or water staining that might indicate compromised sealing on high-flow applications.
  4. Check alignment: Ensure End Caps remain properly seated and haven't shifted due to thermal expansion or increased water loads.

Compare Styles & Materials

6-Inch vs 5-Inch Half Round Systems

  • 5-Inch System: Handles up to 1,400 sq ft per downspout, easier installation, lower cost, standard for typical traditional applications.
  • 6-Inch System: Handles up to 2,400 sq ft per downspout (40% more capacity), required for large roofs, higher cost, essential for commercial historic buildings.
When to Choose 6-Inch Half Round End Caps
  • Large residential homes (over 1,400 sq ft per Downspout)
  • Commercial historic restoration projects with high water demands
  • Steep roof pitches requiring maximum flow capacity
  • Existing 6-Inch Half Round Gutter systems requiring matching components
  • High-end custom homes and luxury traditional construction

Best Choice: Use 6-Inch Half Round End Caps for large traditional gutter installations when you need maximum water handling capacity, authentic styling, and reliable performance. The 6-Inch Half Round system is essential for large roof areas, steep pitches, and commercial applications while maintaining the classic European architectural appeal required for high-end traditional construction.

Frequently Asked Questions

This is a general guide only and may not address your specific site conditions. If you are not experienced with this type of work, hire a qualified contractor.

Can these End Caps be used with K-Style Gutters?

No. These End Caps are designed specifically for the curved profile of 6-Inch Half Round Gutters only. K-Style Gutters require their own angular End Caps for proper fit and sealing.

When do I need 6-Inch instead of 5-Inch Half Round End Caps?

Choose 6-Inch End Caps when your roof area exceeds 1,400 sq ft per downspout, for steep roof pitches, or when you have existing 6-Inch Half Round Gutters. The larger system handles 40% more water than 5-Inch Systems.

Why are Half Round End Caps only available in White and Brown?

These classic colors complement the traditional architectural styles where Half Round Gutters are most appropriate. The limited color palette maintains authentic period appearance while covering the most common historic trim color needs.

What's the best sealant for Half Round End Cap installation?

Use our Ruscoe Self-Leveling Permanant Sealant designed for painted aluminum. The curved profile requires careful sealant application to ensure complete contact around the entire perimeter.

Do I need special brackets or hangers for Half Round Gutters?

Yes. Half Round Gutters require specific brackets designed to cradle the curved bottom profile. Standard K-Style brackets won't provide proper support and can cause sagging or damage to the traditional curved shape.

Submit an RFQ or Questions

Please feel free to contact us - we promise to respond to your inquiry within the next business day. For longer requests, visit our RFQ page.