Commercial Modified Bitumen Roofing in Georgia & Tennessee

Platinum-certified commercial modified bitumen roofing backed by a 20 year workmanship guarantee.

Weather‑Resistant Roofing Solutions for Low‑Slope Roofs

Modified bitumen roofing is a multi-layer membrane system designed for low-slope and flat commercial buildings across Georgia and Tennessee. It combines asphalt with polymer modifiers to improve flexibility, durability, and weather resistance. Reinforcement layers — often polyester or fiberglass — add tensile strength, making the system well-suited for buildings exposed to the seasonal temperature shifts and heavy rainfall common throughout the region.

Multi-Ply Construction and Installation Methods

Commercial modified bitumen roofing systems serving Atlanta and the surrounding area are typically installed in multiple plies to increase redundancy and puncture resistance. Application methods may include torch-applied, cold-adhered, or self-adhered assemblies, depending on project requirements and building conditions. Proper seam bonding, edge termination, and flashing integration are essential for long-term waterproofing performance.

Structural Performance and Durability

A professionally executed modified bitumen roofing installation provides strong resistance to foot traffic, mechanical equipment exposure, and membrane stress. For commercial property owners across Covington and greater Georgia, localized damage can often be repaired without removing the entire assembly. Drainage alignment and insulation performance are evaluated before installation to ensure the system performs consistently under operational demands.

Why Jaco for Modified Bitumen Systems?

Modified bitumen requires careful surface preparation, precise seam detailing, and disciplined application sequencing throughout Chattanooga and Tennessee. Jaco evaluates substrate condition, insulation integrity, and flashing transitions before installation begins. Each project concludes with inspection documentation to confirm membrane integrity and warranty compliance.

If you are considering a modified bitumen system for your commercial property, request a proposal from Jaco to receive a structured evaluation and a defined installation scope.

Areas We Serve

Featured ProjectsAcross Georgia & TennesseE

Featured Projects

Atlanta, GA

A white single-ply membrane roof on a loft building, worked in around a row of rooftop HVAC units and tied into the adjoining sloped sections.

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Peachtree City, GA

A flat, charcoal-gray field framed by dark coping � understated, resilient, and engineered to outlast the seasons.

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Atlanta, GA

A large-scale commercial roof spanning a multi-story building, with clean tie-ins around every rooftop unit and a finish built to reflect heat and cut cooling costs.

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Stockbridge, GA

A completed roofing project for an Advance Auto Parts location, finished edge to edge with a smooth field and clean parapet work along a high-traffic corridor.

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Conyers, GA

A bright white single-ply membrane roof on an AutoZone location, with clean tie-ins around each rooftop unit and a reflective surface that helps hold down cooling costs.

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Smyrna, GA

A re-roof on a brick sales office, with fresh dark shingles wrapping the mansard edge and a clean low-slope field behind it.

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Atlanta, GA

Ribbed metal panel roofs across a row of airport hangars, with long panel runs and a reflective silver finish from ridge to eave.

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Griffin, GA

A tear-off and new white TPO membrane on a grocery store, replacing the worn low-slope roof with a clean, heat-welded field that reflects sunlight.

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Atlanta, GA

A black EPDM rubber membrane on a low-slope porch roof, laid out flat with new metal edging and tied cleanly into the adjoining shingle roof.

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Covington, GA

A combination roof on a historic home, pairing gray architectural shingles on the steep slopes with a low-slope membrane across the flat section behind it.

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Loganville, GA

A wide shingled hip roof over a retreat facility, with a low-slope membrane covering the entry portico below.

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Griffin, GA

A new white TPO membrane across a retail building�s low-slope roof, with a wide-open field and clean edge details along a busy commercial strip.

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Conyers, GA

A repair on the Rockdale Chamber of Commerce�s low-slope roof, opening up the field to replace damaged decking before reflashing the parapet walls.

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College Park, GA

A new TPO roof on a roll-off facility, with fastened insulation board across the deck and membrane staged for a clean low-slope install.

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Griffin, GA

A ribbed metal panel roof on the Salvation Army building, with long silver panel runs across a broad low-slope expanse.

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Griffin, GA

A combination reroof on the Salvation Army building, pairing dark architectural shingles on the slopes with a white membrane field around the rooftop units.

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Covington, GA

A reflective white coating over the metal roofs of a self-storage facility, sealing the panel seams and brightening a long run of buildings.

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Newnan, GA

A white membrane retrofit over a long industrial building, laid across a wide low-slope expanse with new perimeter edge metal.

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Monroe, GA

A warm weathered-gray shingle roof flowing over gabled peaks and a turret � texture and dimension that bring a brick home to life.

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Alpharetta GA

A sophisticated gray shingle roof accented with standing-seam metal � a layered, architectural look that elevates an estate home.

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Atlanta, GA

A refined slate-gray shingle roof crowning a stately brick colonial � clean gable lines and timeless curb appeal built to endure.

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Monroe, GA

Owens Corning Oakridge  |  Driftwood

A warm Driftwood-toned roof replacement in Monroe, Georgia, completed with Owens Corning�s reliable Oakridge shingles � a natural, earthy finish that complements the character of the home.

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Chattanooga, TN

A deep charcoal shingle roof with a smooth, uniform finish � understated, durable, and made to weather every season.

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Chattanooga, TN

Owens Corning Duration  |  Onyx Black

A sharp Onyx Black roof replacement in Chattanooga, featuring Owens Corning's Duration shingles � a high-performance upgrade with a clean, modern finish.

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Hampton, GA

A bold charcoal shingle roof sweeping across a wide hip-and-valley design � rich color and lasting protection that anchor the home's classic profile.

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Soddy-Daisy, TN

A warm brown architectural shingle roof spreading across a sweeping hip design � earthy tones and rich dimension that complement the home's brick and bring lasting curb appeal.

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Soddy-Daisy, TN

A blended gray architectural shingle roof tracing an intricate web of hips and valleys � crisp ridge lines and depth of color that crown a home tucked into the trees.

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Hixson, TN

A soft taupe-gray architectural shingle roof with clean hip lines meeting at sharp ridges � a warm, neutral finish that lends understated polish to the home.

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Atlanta, GA

Slate

A timeless slate roof replacement in the heart of Atlanta � delivering natural elegance and exceptional durability for a home built to last generations.

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Marietta, GA

Owens Corning Oakridge  |  Onyx Black

A bold Onyx Black roof replacement in Atlanta, installed with Owens Corning's trusted Oakridge shingles � striking curb appeal with dependable, weather-resistant protection.

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Chattanooga, TN

Owens Corning Duration  |  Estate Gray

A classic Estate Gray roof replacement in Alpharetta using Owens Corning's premium Duration shingles � built for long-lasting beauty and performance in the Georgia heat.

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Harrison, TN

A cool slate-gray architectural shingle roof unfolding across a bold, symmetrical hip-and-gable layout � sharp peaks and clean lines that give this poolside home a striking, contemporary crown.

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Cumming, GA

A classic farmhouse topped with gray architectural shingles on the upper roofline and a gleaming silver standing-seam metal roof over the wraparound porch � a mixed-material pairing that blends timeless charm with modern durability.

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Cleveland, TN

A warm natural cedar shake roof flowing over a sweeping hip design and a striking octagonal turret, accented by curved copper roof sections over the bay window.

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Greensboro, GA

A blended architectural shingle roof winding across a sprawling craftsman home, with steep gables, multiple ridges, and clean hip lines that suit its wooded setting.

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Conyers, GA

A re-roof on the EMA building, with fresh polyiso insulation board laid across the deck and a white membrane going down over it.

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FAQ[s]

Common FAQs

Get clear answers to the questions homeowners ask most about roofing, repairs, and working with Jaco Roofing.

What is a modified bitumen roofing system, and what are its components?

It is a multi-layer asphalt-based membrane reinforced with polyester or fiberglass for added strength and flexibility.

Is modified bitumen a good choice for commercial roofs with high foot traffic?

Yes. Its layered construction offers durability and resistance to punctures from regular maintenance activity.

What are the advantages of a multi-ply modified bitumen system over single-ply?

Multi-ply systems provide redundancy and added thickness, increasing puncture resistance and longevity.

How do you repair punctures or tears in a modified bitumen roof membrane?

Damaged areas are cleaned, patched, and sealed with compatible membrane materials to restore waterproofing.

What is the expected lifespan of a professionally installed modified bitumen roof?

With proper installation and maintenance, modified bitumen systems can perform reliably for 20 years or more.

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