Kemper System
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 bath rooms, 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 and offers a proven performance for 25 years.

Typical Physical Properties

Color yellow-gray
Physical State cures to solid
Thickness (165 fleece) 70 mils
VOC Content 6 g/l
Tensile Strength @ Break 120 lb/in
Elongation 50 %
Tear Resistance 5.0 lbs
Puncture Resistance 150 lbf
Dimensional Stability 0.1 %
Water Vapor Transmission 0.04 perms
Water Absorption 2.2 %
Impact Resistance Shore A:85
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