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For construction professionals, bitumen roofing remains a highly reliable solution for flat roof renovations. With decades of proven performance and continuous technological improvements, bitumen offers an excellent balance of reliability, workability and durability. In this article, we explore why bitumen is still a strategic choice for professional roofing projects and what innovations are shaping the future of this classic material.
Bitumen is a natural or synthetic product extracted from petroleum. In roofing applications, it is used in various forms:
These consist of a glass fleece or polyester backing impregnated with modified bitumen. The two main types are:
Professional bitumen installations typically consist of:
This construction guarantees watertightness and optimizes the life of the roof system.
Bitumen has proven itself over more than a century in various climatic conditions. For project developers and architects, this means:
For contractors and roofing specialists, bitumen offers significant operational advantages:
Modern bitumen systems deliver consistent performance:
The modern bitumen industry has made significant improvements:
Polymer modification:
- SBS modification for improved elasticity and cold flexibility
- APP modification for superior thermal stability
- Hybrid modifications combining the benefits of both systems
Additives and enhancements:
- Antioxidants for delayed aging
- Fungicides and algicides for biological resistance
- Reflective granules for thermal management
A structured maintenance program maximizes service life:
Annual inspections:
- Check for mechanical damage
- Verification of roof drains and overflow systems
- Assessment of joints and connections
Periodic maintenance:
- Cleaning dirt and vegetation
- Replacing weathered surface layers
- Touching up damaged details
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