1. Introduction
Bridge decks face constant vehicular loading, vibration, thermal expansion, and chloride attack from rain or de-icing salts. Waterproofing must be flexible, durable, and resistant to traffic stresses.
2. Exposures
- Vehicular vibration & flexure.
- Chloride ingress (carbonation, corrosion risk).
- Temperature cycling & cracks.
3. Recommended Technologies
- SBS Modified Bitumen Membranes → proven bridge-grade solution, cost-effective.
- Spray-Applied Polyurea → premium option, fast curing, seamless, abrasion resistant.
4. Mapping Table
Exposure | Best Technology | Notes | Read More |
Heavy traffic & vibration | SBS Membrane | Flexible, cost-effective | SBS Modified Bitumen Membrane |
Chloride / salt attack | Polyurea | Seamless, high resistance | Polyurea Membranes |
Long design life | Polyurea | 15–20+ years with topcoat | Polyurea Membranes |
Disclaimer
SpecX is an industry initiative & a neutral resource, compiled from industry references and best practices. It is not brand-specific. Always cross-check with project requirements and local codes before finalizing specifications.