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Excellence in Waterproofing, Roofing and Surfacing Technology
KEMPEROL® 2K-PUR is a solvent-free, fleece-reinforced and liquid-applied waterproofing system based on polyurethane resin. The odor-free product can be used universally on roof decks, roof gardens, plazas, balconies, terraces and also for indoor areas such as bathrooms, catering kitchens and plant rooms.
It is the ideal waterproofing system for sensitive areas such as nurseries, hospitals, schools or senior citizens’ homes. It is not only a solvent-free product, but 80% of the polyalcohols (resins) are obtained from renewable raw materials. Kemperol 2K-PUR is root and rot resistant according to FLL testing.
Membrane Properties
| PROPERTY | VALUE |
| Color | yellow-gray |
| Physical State | cures to solid |
| Thickness (165 fleece) | 80 mils |
| VOC Content | 6 g/l |
| Peak Load | > 70 lbf/in |
| Elongation | Min 30 % |
| Tearing Strength | 90 lbf |
| Puncture Resistance | 56 lbs |
| Dimensional Stability | 0.15 % |
| Water Vapor Transmission | 0.08 perms |
| Water Absorption | Less than 1% |
| Impact Resistance | Shore A:75 |
| Usage Time* | 30 minutes |
| Water resistant after* | 2 hours |
| Solid to walk on after* | 48 hours |
| Can be driven on after* | 48 hours |
| Apply surfacing/coating after* | 16-48 hours |
| Apply overburden after* | 2 days |
| Completely hardened after* | 3 days |
| Crack Spanning | 2 mm/0.08 inch |
|
Short-term temperature resistance |
250 °C/ 482 °F |
* all times are approximate and depend upon air flow, humidity and temperature
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