| Specification Category | Technical Detail |
| Brand | Sika |
| Model Number | SikaProof-312 |
| Material Base | High-Density Polyethylene (HDPE) |
| Thickness | Greater than 0.90 mm |
| Roll Dimensions | 1.2 Meters x 20 Meters |
| Total Coverage | 24 Square Meters |
| Color (Exposed Side) | White |
| Color (Adhesive Side) | Offwhite |
| Application Type | Pre-Applied Fully Bonded System |
| Usage Logic | Below-Ground Structural Waterproofing |
| Performance | Prevents Lateral Water Migration |
Permanent Mechanical Bond: Engineered to bond fully and permanently to the fresh concrete, eliminating any gap between the structure and the membrane to prevent water tracking.
Anti-Lateral Water Migration: Features a specialized adhesive layer that prevents water from traveling laterally along the interface, localizing any potential damage from external punctures.
High-Density Polyethylene Core: Built with a premium HDPE film that provides exceptional resistance against salts, acids, and aggressive chemicals found in groundwater and soil.
Weather-Resistant Dual Layer: Designed with a white UV-reflective side and an off-white adhesive side, allowing for flexible exposure times during the construction phase without degradation.
Streamlined Pre-Applied Logic: Installed before the reinforcement is placed and concrete is poured, making it ideal for blind-side waterproofing in tight urban construction sites.