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

5-Inch Half Round Inside 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.

Create professional inside corners for your Half Round Gutter System with our precision-formed 5-Inch 90° Inside Box Miter. This factory-made corner solution eliminates field fabrication time while delivering superior sealing performance and authentic traditional styling. Manufactured from .019" aluminum with baked-on enamel finish in White and Brown, these Box Miters provide perfect color coordination with your complete Half Round Gutter System for seamless architectural integration.

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

  • Factory-precision 90° corner

    Pre-formed Inside Box Miter delivers consistent, professional inside corners every time with authentic Half Round geometry

  • Perfect color matching

    Available in White and Brown finishes with exact color coordination to your Half Round Gutter system for seamless appearance

  • Superior sealing performance

    Factory-formed construction provides enhanced leak protection compared to field-fabricated corner solutions

  • Traditional styling integrity

    Maintains the authentic curved profile and European architectural appeal throughout your Half Round corner installation

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

Type: Inside Box Miter, 90°
Gutter Compatibility: 5-Inch Half Round only
Material: Aluminum, baked-on enamel finish
Gauge / Thickness: .019"
Colors: White and Brown (perfect match with Half Round Gutter system)
Joint Style: Factory-formed single piece construction
Included: Miter only; fasteners and sealant sold separately
Use: Traditional inside corners for residential Half Round Gutter installations
Notes: Designed 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 corner location. Test-fit the Inside Box Miter to ensure proper curved profile alignment.
  2. Clean surfaces: Remove any debris or oxidation from Gutter ends and Miter contact areas for optimal sealant adhesion.
  3. Apply sealant: Place continuous bead of high-quality Gutter Sealant inside the Miter where Gutter sections will connect.
  4. Position Miter: Carefully position the Inside Box Miter at the 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. Follow spacing recommendations for Half Round Systems.
  6. Seal and finish: Remove excess sealant and smooth all joints for professional appearance and complete weather sealing.
Maintenance
  1. Inspect corner sealing: Check Miter joints annually during routine maintenance for any signs of sealant deterioration or separation.
  2. Clear debris: Remove leaves and material that may accumulate at inside corners to prevent water backup in the Half Round system.
  3. Monitor fasteners: Ensure Rivets or Screws remain tight and replace any corroded fasteners with aluminum alternatives.
  4. Check alignment: Verify the Miter remains properly positioned and maintains the authentic curved profile of your Half Round Gutter system.

Compare Styles & Materials

When to Choose 5-Inch Half Round Inside Box Miters

  • Traditional and historic restoration projects requiring authentic styling
  • Inside corners on residential Half Round Gutter installations
  • Applications where color matching and professional appearance are priorities
  • Installations requiring reliable corner sealing with minimal field fabrication
Box Miter vs Strip Miter for Half Round Systems
  • Box Miter: Factory-formed precision, superior sealing, faster installation, authentic curved profile maintained throughout corner.
  • Strip Miter: Lower cost but requires more field work, multiple pieces, potential for inconsistent sealing on curved Half Round profile.

Best Choice: Use 5-Inch Half Round Inside Box Miters for traditional inside corners when you want authentic styling, reliable sealing performance, and perfect color coordination with your Half Round Gutter system. The factory-formed construction ensures consistent results while maintaining the curved profile integrity that defines quality Half Round installations.

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 Inside Box Miter is designed specifically for the curved profile of 5-Inch Half Round Gutters only. K-Style Gutters require their own angular Inside 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 color requirements.

How does this compare to Strip Miter solutions?

Box Miters provide factory-precision fitting, superior weather sealing, and faster installation compared to Strip Miters. The single-piece construction maintains the authentic curved profile better than 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 Inside Box Miter for 90° interior building corners. For outside corners, you'll need the corresponding Outside 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.