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The Ultimate Junction Experience


Overview

SOLOBOX COMP® redefines rooftop junction box installation with first-in-class butyl-seal technology and integrated flashing for fast, clean, and fully weatherproof installations—no messy sealant required. Built with a hinged lid, single-screw access, and our SHED & SEAL™ protection, SOLOBOX COMP delivers unmatched reliability, safety, and speed. It’s the smartest, most competitively priced junction solution on the market—built to elevate installer efficiency without compromising quality. SOLOBOX COMP comes pre-kitted with all necessary components, streamlining installation to save both time and money on the job site.


Installs on
Composition Shingle

Key Features & Benefits

Built-In Butyl Seal

Eliminates the need for external sealant, reducing install time and mess.

Integrated Flashing

Preserves roof integrity and strengthens waterproofing.

Rapid Install Access

Hinged lid and single pre-set screw streamline installation and maintenance.

Durable Construction

Built from Noryl resin for enhanced strength and long service life.

Compact & Certified

UL1741 listed, Type 3R enclosure, rated up to 1,000V and 60A.

Versatile Fit

Works across standard roof slopes (1:12–12:12) with flexible fitting size options.

Complete Kit Convenience

Each kit includes Pre-installed Din Rail & Ground Bar, FOUR (4) Decking Screws, and ONE (1) Shingle Cut Template.

Patented

This product may be protected by one or more U.S. Patents. Visit our patent page to learn more.

Exploded view of the Solobox Comp solar junction box showcasing all components.

Compatible Systems


Installation Tips


No sealant, integrated flashing, rapid installation!


01

Use supplied shingle cut template to notch the shingles, insert SOLOBOX COMP with butyl liner still on to make pilot hole for hole saw.

Marking a roof shingle with template for Solobox Comp solar junction box installation
Drilling a pilot hole for Solobox Comp junction box installation

02

Remove SOLOBOX COMP and use hole saw to go through box and roof separately. Peel off the butyl release liner. No need to apply sealant. Secure SOLOBOX COMP to roof.

Drilling a hole on the roof using a hole saw for Solobox Comp junction box installation
Bottom view of the Solobox Comp solar junction box.

03

SOLOBOX COMP must be installed between rafters. Do not install junction boxes directly over rafters.

Solobox Comp junction box installation on a composition shingle rooftop using an impact driver.

Please reference the SOLOBOX COMP Installation Manual for complete instructions.

Your Conduit Connection – Simplified!

The CONDUIT MOUNT BUTYL is engineered for speed, reliability, and total rooftop efficiency.

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