Services

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What We Provide?

You have complete control over your roof and the savings.

Siding Corner

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Roof Repairing

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Roof Renovation

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Roof Installation

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Roofing Layer

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Damage Roofing

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Our Solutions

providing calmness using roofing and weatherproofing

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Commercial Roofing

Protect your building with strong, energy-efficient flat roofs. Ideal for retail, offices, and warehouses.

Industrial Roofing

We install high-performance roofing for factories and plants. Designed for scale and heavy use.

Residential Roofing

Reliable roof replacements using shingles or metal systems. Built to handle all Wisconsin weather.

Multipurpose Roofing

Custom roofing for barns, garages, and more. Stylish, durable, and made to match any structure.
Why Choose Us?

Keep Calm & Roof On!

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24/7 Support

Experienced

Certified Worker

Trusted Company

Testimonials

Best Rated of Our Clients

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Johana Designation

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Jason Designation

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Arko Designation

1700+ Happy Clients All Over World

Owens Corning Roofing Partner – Pink Panther Insulation Certified Installer Wisconsin
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Don’t Just Replace Your Roof — Replace Your Worries.

We’re OPA Construction — a licensed, insured, and certified team proudly serving Janesville and all of Rock & Dane Counties. Whether it’s a repair or a full replacement, our roofing systems are built to protect what matters most.

Contact Us

OPA Construction LLC
Licensed. Insured. Reliable.
We provide professional roofing, siding, and gutter services throughout Wisconsin. Family-owned, fully bilingual, and committed to quality that lasts.

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Get in Touch

Location

206 McKinley Street, Janesville, WI 53548

Email

opa.constructionllc@gmail.com

Phone

(608) 359-4382

© [2025] · OPA Construction LLC· private policy