
Modified Bitumen Systems
Engineered for performance, modified bitumen roofing systems combine the proven reliability of asphalt with advanced polymer technology.
SBS Modified Bitumen
Rubber-modified system offering superior flexibility and temperature performance. Ideal for climates with temperature extremes.
Key Features
- Superior flexibility at low temperatures
- Excellent elongation properties
- Self-healing characteristics
- UV resistant granule surfaces
- Multiple installation methods
- Excellent puncture resistance
Benefits
- Withstands thermal cycling
- Resists cracking in cold weather
- Self-seals minor penetrations
- Long-term performance
Best Applications
Installation Methods
APP Modified Bitumen
Plastic-modified system designed for high-temperature performance and UV resistance. Excellent for hot climates and high-traffic areas.
Key Features
- Superior high-temperature stability
- Excellent UV resistance
- Outstanding flow resistance
- Dimensional stability
- Enhanced aging characteristics
- Multiple surface options
Benefits
- Performs well in hot climates
- Resists softening at high temps
- Long-term color stability
- Reduced maintenance needs
Best Applications
Installation Methods
Weather Protection
Exceptional resistance to wind, hail, and extreme temperature variations provides reliable protection.
- Superior wind uplift resistance
- Hail impact resistance
- Temperature cycling durability
- Moisture barrier properties
Proven Durability
Decades of proven performance in commercial applications demonstrate exceptional longevity.
- 20-30 year service life
- Proven track record
- Commercial-grade materials
- Industry standard performance
Installation Flexibility
Multiple installation methods allow for optimal application based on specific project requirements.
- Torch application
- Cold adhesive systems
- Self-adhered options
- Hot asphalt application
Cost Effective
Competitive initial cost with excellent long-term value makes it an economical roofing solution.
- Reasonable material costs
- Efficient installation
- Long service life
- Low maintenance requirements
Repair Friendly
Easy to maintain and repair with readily available materials and straightforward procedures.
- Simple repair procedures
- Compatible patch materials
- Accessible repair methods
- Cost-effective maintenance
Fire Resistance
Available with Class A fire ratings to meet building code requirements and insurance standards.
- Class A fire rated options
- UL listed systems
- Building code compliance
- Insurance approved
Technical Specifications
Installation Considerations
- Professional installation required for warranty
- Substrate preparation critical for performance
- Weather conditions affect installation timing
- Proper ventilation essential for longevity
- Drainage design impacts system performance
- Regular inspections extend service life
Modified Bitumen vs Other Low-Slope Systems
Compare modified bitumen against other popular low-slope roofing systems to understand the advantages of each approach.
Feature | Modified Bitumen | TPO | EPDM |
---|---|---|---|
Initial Cost | Low to Moderate Competitive commercial pricing | Low to Moderate Similar price range | Low Most economical option |
Lifespan | 20-30 Years Proven long-term performance | 15-25 Years Newer technology track record | 20-25 Years Established performance history |
Installation Complexity | Moderate Requires skilled application | Moderate Heat welding required | Simple Adhesive or mechanically fastened |
Weather Resistance | Excellent Superior in temperature extremes | Good Good overall performance | Excellent Outstanding weather resistance |
Puncture Resistance | Excellent Multi-ply reinforcement | Good Single membrane system | Good Rubber flexibility helps |
UV Resistance | Excellent Granulated surface protection | Excellent White membrane reflects UV | Good Carbon black provides protection |
Repair Ease | Excellent Simple patch and seal repairs | Moderate Requires welding equipment | Good Patch repairs straightforward |
Energy Efficiency | Good Cool roof options available | Excellent White membrane reflects heat | Fair Black membrane absorbs heat |
Installation Process
1. Substrate Preparation
Clean, dry, and properly sloped substrate is essential. Any repairs or improvements made before membrane installation.
2. Base Sheet Application
Base sheet mechanically fastened or adhered to provide foundation for the modified bitumen membrane system.
3. Membrane Installation
Modified bitumen membrane applied using torch, hot asphalt, or cold adhesive methods depending on system specification.
4. Cap Sheet & Finishing
Granulated cap sheet provides UV protection and weather resistance. Flashing and detail work completed.
Why Choose Modified Bitumen?
Proven Performance
Decades of successful commercial installations demonstrate reliable long-term performance.
Weather Resistance
Excellent performance in temperature extremes and severe weather conditions.
Maintenance Friendly
Easy to inspect, maintain, and repair with readily available materials.
Reliable Commercial Roofing Solutions
Modified bitumen systems offer the perfect balance of performance, durability, and value for low-slope roofing applications.
Ready for Modified Bitumen Roofing?
Discover the durability and performance of modified bitumen systems. Get your free estimate for commercial-grade roofing today.