Modified bitumen is a trusted roofing material that blends traditional asphalt with modern polymer technology. At Top Shield Roofing Systems, we often recommend this system for low-slope commercial buildings needing enhanced durability.
What is Modified Bitumen?
Modified bitumen is an asphalt-based roofing material reinforced with fiberglass or polyester. It’s enhanced with modifiers like APP or SBS to improve flexibility and performance in extreme temperatures.
Installation Methods
Hot-applied
Cold-applied
Self-adhesive
Torch-down
Each method suits different project needs. Torch-down is one of the most common for long-lasting adhesion.
Benefits of Modified Bitumen
Tough and Tear-Resistant
This roofing material can handle heavy foot traffic, hail, and weather without cracking or tearing easily.
Waterproof and Durable
Multiple layers provide strong waterproofing protection, ideal for areas with frequent rain or snow.
Easy Repairs
It’s simple to patch damaged areas, making long-term maintenance more affordable.
Best Uses
Perfect for flat or low-slope roofs
Great for small businesses, schools, and apartment complexes
Works well where roof access is frequent
Modified Bitumen vs EPDM and TPO
| Feature | Modified Bitumen | EPDM | TPO |
|---|---|---|---|
| Lifespan | 20+ years | 25+ years | 20+ years |
| Cost | Moderate | Affordable | Moderate |
| Installation | More involved | Simple | Simple |
| Maintenance | Easy | Easy | Easy |
Our Verdict
Modified bitumen is a tough, reliable roofing choice that’s ideal for clients who need long-term value with added strength. At Top Shield Roofing Systems, we install it using the best techniques to ensure long-lasting protection for your property.