Modified Bitumen Commercial Roofing
Protecting Colorado Springs Businesses & Commercial Properties
Durable, Multi-Layer Protection for Low-Slope Commercial Roofs
Modified bitumen roofing has been one of the most trusted commercial roofing systems for decades. Designed specifically for low-slope and flat roofs, modified bitumen combines the proven waterproofing performance of asphalt with modern polymer technology to create a flexible, durable, and weather-resistant roofing system.
At High Valley Roofing, we install, repair, and replace modified bitumen roofing systems for office buildings, retail centers, industrial facilities, churches, apartment complexes, schools, warehouses, and other commercial properties throughout Colorado. Whether you’re replacing an aging roof or constructing a new commercial building, modified bitumen offers excellent durability, dependable waterproofing, and long-term value.
What Is Modified Bitumen Roofing?
- Insulation board
- Base sheet
- Reinforced modified bitumen membrane
- Protective cap sheet
- Reflective or granulated finish
These layers work together to resist moisture intrusion, temperature changes, hail, foot traffic, and UV exposure.
Types of Modified Bitumen Roofing
SBS (Styrene-Butadiene-Styrene)
SBS membranes are rubber-modified asphalt products known for their flexibility.
Benefits include:
- Excellent cold-weather performance
- Superior flexibility
- Better expansion and contraction
- Great impact resistance
- Ideal for Colorado’s freeze-thaw cycles
APP (Atactic Polypropylene)
APP membranes use plastic-modified asphalt for increased durability and heat resistance.
Advantages include:
- Excellent UV resistance
- Higher temperature tolerance
- Durable surface protection
- Long-lasting waterproof performance
- Great for buildings with significant sun exposure
Benefits of Modified Bitumen Roofing
Multiple layers create redundant waterproof protection that helps prevent leaks and moisture intrusion.
Professionally installed modified bitumen roofs commonly last 20–30 years with proper maintenance.
Modified bitumen stands up well against:
- Heavy snow loads
- Hail
- Wind
- Foot traffic
- Temperature extremes
- Ice buildup
Because the membrane is layered, many issues can be repaired without replacing the entire roofing system.
Routine inspections help maximize roof life.
Modified bitumen can be installed using several methods, including:
- Torch-applied
- Cold adhesive
- Hot asphalt
- Self-adhered membranes
High Valley Roofing recommends the best installation method based on your building and safety requirements.
Ideal Applications
Modified bitumen works well on:
- Office buildings
- Retail centers
- Warehouses
- Manufacturing facilities
- Apartment complexes
- Hotels
- Schools
- Churches
- Medical facilities
- Municipal buildings
- Restaurants
Signs Your Modified Bitumen Roof Needs Service
Your roof may require repair if you notice:
- Water leaks
- Ponding water
- Surface cracks
- Blisters
- Membrane separation
- Open seams
- Loose flashing
- Granule loss
- Interior ceiling stains
- Storm damage
- Wind damage
- Hail impact
Addressing small issues early helps prevent costly structural damage.
Modified Bitumen Roof Repair
Many modified bitumen roofs can be repaired without full replacement.
Common repairs include:
- Seam repair
- Flashing replacement
- Membrane patching
- Drain improvements
- Leak repairs
- Surface restoration
- Storm damage repair
Our commercial roofing team identifies the source of the problem before recommending the most cost-effective solution.
Modified Bitumen Roof Replacement
If your roofing system has reached the end of its service life, replacement may provide better long-term value than repeated repairs.
Our replacement process includes:
- Complete roof inspection
- Moisture evaluation
- Removal of damaged roofing materials
- Deck inspection
- New insulation installation (if needed)
- New modified bitumen membrane
- Flashing replacement
- Drainage improvements
- Final quality inspection
Modified Bitumen vs. TPO Roofing
Modified Bitumen
- Multi-layer protection
- Excellent puncture resistance
- Better foot traffic durability
- Proven long-term waterproofing
- Easier localized repairs
VS
TPO
- Highly reflective
- Energy efficient
- Heat-welded seams
- Lightweight
- Excellent for reducing cooling costs
Why Choose High Valley Roofing?
Commercial property owners choose High Valley Roofing because we provide:
- Experienced commercial roofing specialists
- High-quality roofing materials
- Detailed roof inspections
- Honest recommendations
- Skilled installation crews
- Reliable roof repairs
- Preventative maintenance programs
- Storm damage expertise
- Excellent communication
- Outstanding workmanship
We build roofing systems designed to protect your investment for decades.
Schedule a Commercial Roof Inspection
Whether you need a repair, replacement, or new modified bitumen roofing installation, High Valley Roofing provides dependable commercial roofing solutions tailored to your building. Our experienced team will evaluate your roof, explain your options, and deliver a durable roofing system built to withstand Colorado’s demanding weather.
Contact High Valley Roofing today to schedule your commercial roofing consultation.
Frequently Asked Questions
With professional installation and regular maintenance, modified bitumen roofs typically last 20–30 years, depending on the system, climate, and level of upkeep.
Yes. Modified bitumen performs exceptionally well in Colorado because it resists hail, snow, freeze-thaw cycles, UV exposure, and high winds.
Yes. Many leaks, seam failures, flashing issues, and membrane damage can be repaired without replacing the entire roof if problems are addressed promptly.
SBS is rubber-modified, offering greater flexibility and cold-weather performance. APP is plastic-modified, providing enhanced heat and UV resistance.
Modified bitumen offers many of the same waterproofing benefits as built-up roofing while providing improved flexibility, easier installation, and simpler repairs.
Yes. Modified bitumen generally handles maintenance foot traffic better than many single-ply roofing systems, though designated walk pads are recommended in high-traffic areas.
Yes. Its reinforced, multi-layer construction provides excellent resistance to hail and impact damage, making it a strong choice for commercial properties in hail-prone regions.
Depending on the project, it can be installed using torch-applied, self-adhered, cold-applied, or hot-asphalt methods.
It can be. Reflective cap sheets and cool-roof coatings can improve energy efficiency by reducing heat absorption and lowering cooling costs.
Commercial roofs should be inspected at least twice a year—typically in the spring and fall—and after major storms to identify damage before it leads to costly repairs.
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Types of Commercial Roofs We Install
We have extensive experience with all major commercial roofing systems. We assist you in choosing the best option for your building and budget.
These modern, single-ply systems are an excellent choice for flat roofs. They are highly resistant to punctures and chemicals. Their white, reflective surface makes them extremely energy-efficient.
EPDM is a durable and affordable rubber roofing option. It is well known for its proven performance against hail and extreme temperatures, making it a great choice for Colorado.
Modified Bitumen
This is a tough, multi-layer system made from asphalt modified with rubber for strength and flexibility. It provides outstanding waterproofing and is great for high-traffic roofs.
For superior longevity and low maintenance, a metal roof is an excellent investment. It is fire-resistant and stands up to severe weather, including heavy snow loads.
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Based in Colorado Springs, High Valley Roofing serves homeowners throughout El Paso County and select Front Range communities.
