Sikafloor® MultiFlex PB-25 UV (G)
UV stable, Trafficable Waterproofing Deck Membrane System
Sikafloor® MultiFlex PB-25 UV (G) is a polyurea / polyurethane hybrid resin based, sprayed applied, fully trafficable waterproofing membrane system. The system is fast cure, hard wearing, has a seamless finish with UV resistant coatings for use on exposed deck car parking structures. Suitable for use in hot and tropical climatic conditions.
- High degree of dynamic crack bridge ability
- Seamless
- UV stable
- High wear resistance
- Good chemical and mechanical resistance
- Waterproof
- Rapid spray applied application
- Skid/slip resistant
- Low maintenance
System Structure
Usage
- Exposed car park concrete suspended decks and ramps requiring trafficable waterproofing flooring system with crack bridging ability, for occupied and non-occupied spaces.
Advantages
- High degree of dynamic crack bridge ability
- Seamless
- UV stable
- High wear resistance
- Good chemical and mechanical resistance
- Waterproof
- Rapid spray applied application
- Skid/slip resistant
- Low maintenance
Packaging
Please refer to the individual Product Data Sheets
Colour
Seal / Top coat available in many colours
Appearance
Skid / Slip resistant, matt finish
System Details
CERTIFICATES AND TEST REPORTS
Sikafloor® MultiFlex PB-25 UV (G) complies with crack bridging ability according to specification standards ASTM C957 and ASTM C836, test method ASTM C1305.
Shelf life
Please refer to the individual Product Data Sheets
Storage conditions
Please refer to the individual Product Data Sheets
System structure
Sikafloor® MultiFlex PB-25 UV (G)
| Layer | Product |
| 1. Primer + Sand broadcast | Sikafloor®-151 /-161 + Sikadur®-507 (quartz sand 0.3–0.7 mm) |
| 2. Waterproofing membrane | Sikalastic®-851 / -851 R |
| 3. Wearing layer | Sikafloor®-324 (1st coat) broadcasted with quartz sand Sikafloor®-324 (2nd coat) |
| 4. Seal / Top coat | Sikafloor® TC 257 or Sikafloor®-359 SG |
Composition
| Primer | Epoxy resin |
| Membrane | Polyurethane / Polyurea Hybrid |
| Wearing finish | Polyurethane |
| Seal /Top coat | Aliphatic Polyurethane, solvent based |
Nominal thickness
~2.0 mm
Tensile adhesion strength
| > 1.5 N/mm² (or concrete failure) | (EN 1542) |
Crack bridging ability
| 3.2 mm | (ASTM C 1305) |
Chemical resistance
Chemical resistant to de-icing salts, hydrocarbons and hydraulic oils.
Sikafloor® MultiFlex PB-25 UV (G) always has to be sealed with UV stable PU based top coat, therefore, refer to the chemical resistance of the top coat.
Application
Consumption
| Layer | Product | Consumption |
| 1.Primer + Sand broadcast | Sikafloor®-151 / -161 Sikadur®-507, quartz sand 0.3–0.7mm | 0.3 - 0.5 kg/m² ~1.0 kg/m² |
| 2. Waterproofing Membrane | Sikalastic®-851 /-851 R | ~1.5 kg/m² |
| 3. Wearing finish | Sikafloor®-324 + quartz sand + Sikafloor®-324 | ~0.4 kg/m² ~1.0 kg/m² ~0.5 kg/m² |
| 4. Seal/Top Coat | Sikafloor®-359 SG, or Sikafloor® TC 257 | ~0.3 kg/m² |