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5-Inch Half Round Outside Box Miter (90°)

5-Inch Half Round Outside Box Miter (90°)

Color: White, 80 Degree
Unit of measure: pcs
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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.

Achieve professional outside corners for your Half Round Gutter System with our precision-crafted 5-Inch 90° Outside Box Miter. This factory-manufactured corner solution eliminates complex field work while providing superior weather resistance and authentic traditional styling. Constructed from .019" aluminum with baked-on enamel finish in White and Brown, these Box Miters deliver perfect color coordination with your complete Half Round Gutter System for flawless architectural continuity.

5-Inch Half Round Outside Box Miter (90°) Key Features

  • Precision-crafted 90° exterior corner

    Pre-manufactured Outside Box Miter ensures consistent, professional outside corners with authentic Half Round curved geometry

  • Seamless color coordination

    Available in White and Brown finishes with exact color matching to your Half Round Gutter System for flawless visual integration

  • Excellent weather resistance

    Factory-crafted construction delivers superior leak protection and durability for exposed exterior corner applications

  • Authentic traditional profile

    Preserves the classic curved aesthetics and European architectural character throughout your Half Round corner installation

5-Inch Half Round Outside Box Miter (90°) Material & Specifications

Type: Outside Box Miter, 90°
Gutter Compatibility: 5-Inch Half Round only
Material: Aluminum, baked-on enamel finish
Gauge / Thickness: .019"
Colors: White and Brown (exact match with Half Round Gutter System)
Joint Style: Factory-crafted single piece construction
Included: Miter only; fasteners and sealant sold separately
Use: Traditional outside corners for residential Half Round Gutter installations
Notes: Engineered specifically for authentic Half Round profile compatibility

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 both Half Round Gutter sections square at the exterior corner location. Test-fit the Outside Box Miter to verify proper curved profile alignment.
  2. Clean surfaces: Remove any debris or oxidation from Gutter ends and Miter contact areas for optimal sealant adhesion on exterior application.
  3. Apply sealant: Place continuous bead of high-quality Gutter Sealant inside the Miter where Gutter sections will connect for weather-tight sealing.
  4. Position Miter: Carefully position the Outside Box Miter at the exterior corner, ensuring both Gutter sections fit properly into the curved profile.
  5. Secure connection: Install Pop Rivets or appropriate fasteners to secure the Miter to both Gutter sections. Use proper spacing for Half Round exterior applications.
  6. Seal and finish: Remove excess sealant and smooth all joints for professional appearance and complete weather protection on exposed corner.
Maintenance
  1. Inspect exterior sealing: Check Miter joints seasonally during routine maintenance for any signs of weather-related sealant deterioration or separation.
  2. Clear corner debris: Remove leaves and material that may accumulate at outside corners to prevent water backup and stress on the Half Round System.
  3. Monitor weather exposure: Ensure fasteners remain tight and replace any weather-damaged hardware with aluminum alternatives for continued reliability.
  4. Check profile integrity: Verify the Miter maintains proper positioning and preserves the authentic curved profile of your Half Round Gutter system.

Compare Styles & Materials

When to Choose 5-Inch Half Round Outside Box Miters

  • Traditional and historic restoration projects requiring authentic exterior styling
  • Outside corners on residential Half Round Gutter installations
  • Exterior applications where color matching and weather resistance are priorities
  • Installations requiring dependable corner sealing with minimal field fabrication
Box Miter vs Strip Miter for Half Round Exterior Corners
  • Box Miter: Factory-crafted precision, enhanced weather resistance, faster installation, authentic curved profile maintained throughout exterior corner.
  • Strip Miter: Lower cost but requires more field labor, multiple components, potential for weather infiltration on curved Half Round profile.

Best Choice: Use 5-Inch Half Round Outside Box Miters for traditional outside corners when you want authentic styling, dependable weather resistance, and perfect color coordination with your Half Round Gutter System.

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.

Will this work with K-Style Gutters?

No. This Outside Box Miter is designed specifically for the curved profile of 5-Inch Half Round Gutters only. K-Style Gutters require their own angular Outside Box Miters.

Why are Half Round Miters only available in White and Brown?

These classic colors complement the traditional architectural styles where Half Round Gutters are most appropriate, ensuring authentic period appearance while covering the most common historic building exterior color requirements.

How does this handle weather exposure better than Strip Miters?

Box Miters provide single-piece construction with fewer joints exposed to weather. The factory-crafted design offers superior sealing surfaces and eliminates potential weak points common in multi-piece strip solutions.

What's the best sealant for Half Round Box Miter 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.

Can I use this on outside corners?

No. This is specifically an Outside Box Miter for 90° exterior building corners. For inside corners, you'll need the corresponding Inside Box Miter designed for Half Round Gutters.

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.