flexible shingle cold and heat resistance

The Polymer Advantage: How SBS-Modified Bitumen Outperforms Standard Oxidized Asphalt in Tropical Climates

• September 17, 2026
• admin

At the core of every architectural shingle lies bitumen—the viscous petroleum compound responsible for binding mineral granules, providing hydrostatic water repellency, and sealing tabs against cyclonic winds. However, not all asphalt is refined or formulated equally. In budget roofing products, manufacturers rely strictly on standard blown (oxidized) asphalt. While adequate in temperate zones, oxidized asphalt …