Modified Bitumen Roofing
Restore & Protect Your Roof with Silicone Coating
When a modified bitumen roof starts to show its age, the instinct is often to replace it outright, but that's rarely the most practical or cost-effective approach. Seamless Roofing specializes in silicone roof coating for commercial properties nationwide. We offer a proven restoration solution that extends the life of your existing modified bitumen system without the disruption and expense of a full tear-off. If your roof is leaking, cracking, or losing flexibility, a silicone coating application may be exactly what it needs.
An Overview of Modified Bitumen
Modified bitumen is an asphalt-based roofing system engineered for low-slope and flat commercial roofs. It's reinforced with modifiers, most commonly atactic polypropylene (APP) or styrene-butadiene-styrene (SBS), that improve flexibility, durability, and resistance to temperature extremes. The system is typically installed in multiple layers and can be applied via torch-down, self-adhered, or cold-applied methods.
Modified bitumen became a staple of commercial construction throughout the 1980s and 1990s and remains widely used today due to its relative affordability and straightforward installation. Many of these roofs are now aging and entering the phase where proactive maintenance is critical.
Common Problems with Modified Bitumen Roofs
Surface Cracking & Alligatoring
Prolonged UV exposure causes the surface to oxidize and develop a cracked, reptilian texture that compromises the membrane's integrity.
Blistering & Bubbling
Moisture or air trapped between layers creates bubbles that expand and rupture, leaving the roof vulnerable to water infiltration.
Seam & Lap Failures
The seams where layers overlap are the most vulnerable points in any bitumen system. Heat, freeze-thaw cycles, and aging adhesives cause these joints to lift and separate.
Ponding Water
Low-slope roofs prone to standing water accelerate membrane degradation, and modified bitumen is no exception. Prolonged ponding softens and breaks down the material.
Loss of Elasticity
As modified bitumen ages, it becomes brittle and less able to accommodate the building's natural movement, increasing the likelihood of splits and cracks.
Why Silicone Roof Coating Is Ideal for Modified Bitumen
Silicone roof coating bonds directly to the modified bitumen surface, forming a seamless, waterproof membrane that addresses the root causes of most bitumen roof failures. Rather than masking problems with patches or starting over with a full tear-off, silicone coating restores and reinforces the roof system you already have.
Superior UV & Weather Resistance
Silicone is inherently UV-stable. It doesn't chalk, crack, or degrade the way other coatings do over time. For commercial properties in high-sun states like Texas and Georgia, or in states with harsh freeze-thaw cycles like Michigan and Ohio, this durability translates into a longer-lasting protective layer that maintains performance season after season.
Ponding Water Tolerance
Unlike acrylic or elastomeric coatings that soften and lose adhesion when submerged, silicone is unaffected by standing water. This makes it a particularly strong match for the flat and low-slope profiles common to modified bitumen installations, where drainage is often imperfect.
Seamless Application
Because we spray-apply silicone, it flows into seams, laps, and low spots, which are areas where a failing modified bitumen roof is most vulnerable. The result is a continuous, monolithic membrane with no joints or transitions where water can enter.
Reflectivity & Energy Efficiency
White silicone coatings carry high solar reflectance ratings. By bouncing rather than absorbing radiant heat, a silicone-coated roof can reduce rooftop temperatures substantially, which is a meaningful benefit for commercial properties working to lower cooling costs in summer months.
No Tear-Off Required
Applying a silicone coating over an existing modified bitumen system avoids landfill disposal costs, minimizes disruption to building operations, and significantly shortens project timelines. In many cases, we can complete our work with minimal impact on day-to-day business activities.
Compatibility With Modified Bitumen
Silicone adheres well to both APP and SBS modified bitumen substrates. When properly surface-prepared, the coating bonds tightly to the existing membrane, creating a stable composite system rather than simply sitting on top of it.
Ready to restore your commercial roof? Contact Seamless Roofing at (317) 699-4463 or visit our website to request an assessment.
Client Testimonials
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"I highly recommend using them for your roofing needs."They worked around our schedule and left the site spotless!- Tanya C.
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"Thank you guys for being just amazing to work with - you make my job easier!"The customer service is second to none! Their knowledge of any given roof system as well as the knowledge of their products is exceptional.- Teresa G.
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"We were thrilled with the responsive and professional nature of the company and its representatives."The process of inspecting and repairing our old commercial roof was easy and the price was fair. I would highly recommend them to anyone needing a commercial roof repair done!- Will M.
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"Very professional and quality work."I used seamless roofing on two of my metal roof jobs. They showed up and got right to work.- Dustin M.
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"Great people to work with!"The staff is knowledgeable, responsive, polite, and everyone communicates well. Would I recommend Seamless Roofing to others? You bet I do.- Lisa H.M.
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"Very professional, excellent service, and certainly responsive."While I have not used service personally, every referral that I've sent has remarked positively.- Suzi D.
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"Great People! Quality work. Easy to work with."I would definitely use them again and will be recommending them to friends and family!- Andy O.
How Seamless Roofing Approaches Modified Bitumen Restoration
Every silicone coating project starts with a thorough roof assessment. We:
- Evaluate the current condition of the modified bitumen system
- Identify areas of active damage
- Determine whether the substrate and insulation are sound enough to support a coating restoration
When they are, coating is typically the more practical path forward.
Surface Preparation
Proper prep is what separates a coating that lasts from one that doesn't. Our team cleans the existing surface thoroughly to remove dirt, debris, and contaminants that would prevent adhesion. We re-secure the loose seams, address blisters, and treat any deteriorated areas before coating begins.
Silicone Application
We apply silicone at the appropriate mil thickness for the needs and conditions of the roof. We give special attention to seams, laps, penetrations, and transitions, which are the areas most likely to fail on an aging modified bitumen roof. The spray-applied process helps achieve consistent coverage across the entire field.
Nationwide Commercial Service
Seamless Roofing serves commercial property owners throughout Indiana and offers silicone roof coating specifically in Texas, Tennessee, Illinois, Kentucky, Ohio, Michigan, Georgia, and Virginia. Whether you're managing a warehouse, retail strip, office building, or industrial facility, our team brings commercial-grade expertise to your roofing project.
Why Choose Seamless Roofing?
Serving Indianapolis, IN Since 2013
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Quality Materials
At Seamless Roofing, we believe in using only the highest quality materials sourced from trusted manufacturers. Whether it’s TPO, EPDM, PVC, silicone coatings, or shingles, we select materials known for their durability, reliability, and performance.
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Innovation and Sustainability
We are dedicated to embracing innovative technologies and sustainable practices that not only enhance the performance and longevity of your roof but also minimize our environmental footprint. We are committed to making a positive impact on our planet.
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Commitment to Excellence
Whether it’s adhering to strict safety protocols, maintaining meticulous attention to detail, or continually investing in training and professional development, we strive for perfection in every aspect of our work.
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Exceptional Service
From the initial consultation to the final inspection, we are committed to providing transparent communication, timely project updates, and attentive service throughout the roofing process.
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Perfect Safety RatingOur team is committed to the safety and efficiency of each project. Our Perfect Safety Rating gives you the confidence you have contracted a team that will get the job done right the first time and on time.
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Fast, Easy EstimatesWe utilize satellite imagery to provide estimates on your project in as little as 30 minutes for silicone over metal replacements. We can complete these projects nationwide, and this allows us to get your project underway as soon as possible from our Indiana offices.
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Manufacturer WarrantiesAlong with our Perfect Safety Rating and decades of experience, we also offer Manufacturer Warranties anywhere from 5-20 years for your peace of mind. Contact us today to discuss options and put our trusted industry experts to work.
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Silicone Roofing ExpertsSilicone roof coatings offer a cost-effective and sustainable solution for restoring and protecting commercial roofs. As certified applicators of silicone coatings, we specialize in rejuvenating aging roofs, repairing minor damage, and enhancing the overall performance of your roof.
The Flaws in Standard Repair & Replacement
Patch repairs on aging modified bitumen systems are a common reflex, and an understandable one. But patching addresses symptoms, not the underlying condition of the membrane. A roof that's broadly oxidized, brittle, or compromised at multiple seams won't be meaningfully improved by spot repairs. New patches on an old, degraded field often fail within a season or two, sending property managers right back to square one.
Full replacement is the other common recommendation, and it comes with high costs. Tear-off and disposal fees, labor, new material, and the downtime associated with a major roofing project add up quickly. For a roof with a structurally sound substrate and insulation, replacement can be a far more disruptive and expensive solution than the situation actually calls for.
The gap between "keep patching" and "replace entirely" is where silicone roof coating fits, and fits well.
Call Seamless Roofing at (317) 699-4463 or contact us online to schedule your roof assessment.
